dark matter and dark energy - ffg.at · dark matter and dark energy alicia berciano alba, pedro...
TRANSCRIPT
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
DEMON:a Proposal for a Satellite-Borne Experiment to study
Dark Matter and Dark Energy
Alicia Berciano Alba, Pedro Borges da Silva, Hans Eichelberger, FrancescaGiovacchini, Mareike Godolt, Mike Lerchster, Vincent Lusset, Fabio Mattana,
Micha l Micha lowski, Carlos Monteserin-Sanchez, Fabio Noviello, Carina Persson,Ming Zhang, Linda �Ostman
Vienna 27.03.07
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
The Green Team - Alpbach 2005 - DEMON
Alicia Berciano Alba, Pedro Borges da Silva,Hans Eichelberger, Francesca Giovacchini,Mareike Godolt, Mike Lerchster, VincentLusset, Fabio Mattana, Micha l Micha lowski,Carlos Monteserin-Sanchez, Fabio Noviello,Carina Persson, Ming Zhang, Linda �Ostman
14 people out of 9 nations and two weeks ofhard work - day/nights !
=)2006SPIE.6266E..91B orarXiv:astro-ph/0606010
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Outline
1 Theoretical FrameworkMotivationWeak Lensing & Cluster Statistics
2 Science CaseWeak Lensing & X-ray
3 Instrumentation & SpacecraftOptical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
4 ConclusionOutlookAcknowledgements
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Outline
1 Theoretical FrameworkMotivationWeak Lensing & Cluster Statistics
2 Science CaseWeak Lensing & X-ray
3 Instrumentation & SpacecraftOptical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
4 ConclusionOutlookAcknowledgements
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Outline
1 Theoretical FrameworkMotivationWeak Lensing & Cluster Statistics
2 Science CaseWeak Lensing & X-ray
3 Instrumentation & SpacecraftOptical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
4 ConclusionOutlookAcknowledgements
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Outline
1 Theoretical FrameworkMotivationWeak Lensing & Cluster Statistics
2 Science CaseWeak Lensing & X-ray
3 Instrumentation & SpacecraftOptical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
4 ConclusionOutlookAcknowledgements
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
ESA Summer School 2005
Theme
� Dark Matter and Dark Energy in theUniverse
ESA Cosmic Vision 2015 - 2025
� Grand themes 4:"How did the Universe originate and what isit made of ?"
� 4.1 The early Universe...Investigate the nature and origin of theDark Energy that currently drives ourUniverse apart.
Concordance cosmological Model - �CDM
� 73 % Dark Energy� 23 % Dark Matter� 4 % Baryonic Matter
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Probing a Universe with Dark Energy
Expansion rate H(z)
� Luminosity distance vs redshift: dL(z) m(z)=)standard candles: SNe Ia
� Angular diameter distance vs redshift: dA(z)=)Multiple giant arcs, redshift correlations,...
� Comoving volume - number counts vs redshift=)galaxy number counts N(M; z)
Growth rate D(z)
� Halo number counts vs redshift:=)clusters of galaxies=)galaxy redshift distribution (dark halos)
� Large scale structure: P(k) vs redshift=)cosmic shear
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Probing a Universe with Dark Energy
Expansion rate H(z)
� Luminosity distance vs redshift: dL(z) m(z)=)standard candles: SNe Ia
� Angular diameter distance vs redshift: dA(z)=)Multiple giant arcs, redshift correlations,...
� Comoving volume - number counts vs redshift=)galaxy number counts N(M; z)
Growth rate D(z)
� Halo number counts vs redshift:=)clusters of galaxies=)galaxy redshift distribution (dark halos)
� Large scale structure: P(k) vs redshift=)cosmic shear
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Probing a Universe with Dark Energy
Expansion rate H(z)
� Luminosity distance vs redshift: dL(z) m(z)=)standard candles: SNe Ia
� Angular diameter distance vs redshift: dA(z)=)Multiple giant arcs, redshift correlations,...
� Comoving volume - number counts vs redshift=)galaxy number counts N(M; z)
Growth rate D(z)
� Halo number counts vs redshift:=)clusters of galaxies=)galaxy redshift distribution (dark halos)
� Large scale structure: P(k) vs redshift=)cosmic shear
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Probing a Universe with Dark Energy
Expansion rate H(z)
� Luminosity distance vs redshift: dL(z) m(z)=)standard candles: SNe Ia
� Angular diameter distance vs redshift: dA(z)=)Multiple giant arcs, redshift correlations,...
� Comoving volume - number counts vs redshift=)galaxy number counts N(M; z)
Growth rate D(z)
� Halo number counts vs redshift:=)clusters of galaxies=)galaxy redshift distribution (dark halos)
� Large scale structure: P(k) vs redshift=)cosmic shear
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Probing a Universe with Dark Energy
Expansion rate H(z)
� Luminosity distance vs redshift: dL(z) m(z)=)standard candles: SNe Ia
� Angular diameter distance vs redshift: dA(z)=)Multiple giant arcs, redshift correlations,...
� Comoving volume - number counts vs redshift=)galaxy number counts N(M; z)
Growth rate D(z)
� Halo number counts vs redshift:=)clusters of galaxies=)galaxy redshift distribution (dark halos)
� Large scale structure: P(k) vs redshift=)cosmic shear
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Probing a Universe with Dark Energy
Expansion rate H(z)
� Luminosity distance vs redshift: dL(z) m(z)=)standard candles: SNe Ia
� Angular diameter distance vs redshift: dA(z)=)Multiple giant arcs, redshift correlations,...
� Comoving volume - number counts vs redshift=)galaxy number counts N(M; z)
Growth rate D(z)
� Halo number counts vs redshift:=)clusters of galaxies=)galaxy redshift distribution (dark halos)
� Large scale structure: P(k) vs redshift=)cosmic shear
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Weak Lensing
Mellier 1999 Mellier 1999
Galaxy ellipticities =) cosmic shear =) DM Power spectrum
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
MotivationWeak Lensing & Cluster Statistics
Cluster Statistics
Gas temperature/luminosity =) cluster mass =) DM Powerspectrum
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Weak Lensing & X-ray
Science Case
Weak lensing scienti�c requirements
� Large sky coverage and highnumberdensity
=) 5000 deg2; 16 ks exposure;IAB � 27 mag ;
60� 100 gal � arcmin�2;hzi � 1:3� 1:4
� Accurate shape measurements ofgalaxies
=) PSF � 0:17"
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Weak Lensing & X-ray
Science Case
Weak lensing scienti�c requirements
� Large sky coverage and highnumberdensity
=) 5000 deg2; 16 ks exposure;IAB � 27 mag ;
60� 100 gal � arcmin�2;hzi � 1:3� 1:4
� Accurate shape measurements ofgalaxies
=) PSF � 0:17"
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Weak Lensing & X-ray
Science Case
Weak lensing scienti�c requirements
� Large sky coverage and highnumberdensity
=) 5000 deg2; 16 ks exposure;IAB � 27 mag ;
60� 100 gal � arcmin�2;hzi � 1:3� 1:4
� Accurate shape measurements ofgalaxies
=) PSF � 0:17"
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Weak Lensing & X-ray
Science Case
X-ray cluster statistics requirements
� Large sky coverage and high energyresolution
=) 5000 deg2;� 64 ks exposure;Lx � 8 � 10�15 erg cm�2 s�1;0:5� 2 keV ; 20 clusters deg�2;� 100:000 cluster ; hzi � 0:75
� Accurate separation between galaxyclusters and point-like sources
=) PSF � 15"
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Weak Lensing & X-ray
Science Case
X-ray cluster statistics requirements
� Large sky coverage and high energyresolution
=) 5000 deg2;� 64 ks exposure;Lx � 8 � 10�15 erg cm�2 s�1;0:5� 2 keV ; 20 clusters deg�2;� 100:000 cluster ; hzi � 0:75
� Accurate separation between galaxyclusters and point-like sources
=) PSF � 15"
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Weak Lensing & X-ray
Science Case
X-ray cluster statistics requirements
� Large sky coverage and high energyresolution
=) 5000 deg2;� 64 ks exposure;Lx � 8 � 10�15 erg cm�2 s�1;0:5� 2 keV ; 20 clusters deg�2;� 100:000 cluster ; hzi � 0:75
� Accurate separation between galaxyclusters and point-like sources
=) PSF � 15"
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Instrumentation
Optical/IR telescope & detector
� 2 m diameter optical/IR telescope, � 1 deg2FOV ;three-mirror anastigmatic design (TMA-Korsch)
� 4 �lters, 1 optical broad-band (R+I+z, 5 �m (0:04"=pixel));3 infrared (J,H and K, 18 �m (0:085"=pixel))
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Instrumentation
Optical/IR telescope & detector
� 2 m diameter optical/IR telescope, � 1 deg2FOV ;three-mirror anastigmatic design (TMA-Korsch)
� 4 �lters, 1 optical broad-band (R+I+z, 5 �m (0:04"=pixel));3 infrared (J,H and K, 18 �m (0:085"=pixel))
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Instrumentation
Optical/IR telescope & detector
� 2 m diameter optical/IR telescope, � 1 deg2FOV ;three-mirror anastigmatic design (TMA-Korsch)
� 4 �lters, 1 optical broad-band (R+I+z, 5 �m (0:04"=pixel));3 infrared (J,H and K, 18 �m (0:085"=pixel))
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Instrumentation
X-ray telescope and detector
� eight 0:358 m diameter X-ray telescopes, 0:473 deg2 FOV,54 Wolter-I mirror shells (paraboloid+hyperboloid)
� pn-CCD detectors - 75x75 �m2 (41; 20x41; 20)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Instrumentation
X-ray telescope and detector
� eight 0:358 m diameter X-ray telescopes, 0:473 deg2 FOV,54 Wolter-I mirror shells (paraboloid+hyperboloid)
� pn-CCD detectors - 75x75 �m2 (41; 20x41; 20)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Instrumentation
X-ray telescope and detector
� eight 0:358 m diameter X-ray telescopes, 0:473 deg2 FOV,54 Wolter-I mirror shells (paraboloid+hyperboloid)
� pn-CCD detectors - 75x75 �m2 (41; 20x41; 20)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Spacecraft Orbit
� circular Low Earth Orbit (LEO)� i = 5�; h = 600km; v = 7:6km=s;torbit = 1:61h; tecl = 28min
=) avoid Van Allen radiation belt &South Atlantic Anomaly
=) high telemetry data rate=) Soyuz-Fregat launcher from
Kourou
Scanning Strategy
� sky sampling in concentric circles� The FOV is shiftet by 10" every 2orbits
� 16 ks exposure time per pointing=) 5000deg2 in 4.5 years
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Size, Mass, Power system
� size = 7.1 m x 3.75 m, total mass = 2.500 kg=) Soyuz-Fregat launcher from Kourou =) LEO
� required power P = 1980 W=) solar array 14:7m2
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Size, Mass, Power system
� size = 7.1 m x 3.75 m, total mass = 2.500 kg=) Soyuz-Fregat launcher from Kourou =) LEO
� required power P = 1980 W=) solar array 14:7m2
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Size, Mass, Power system
� size = 7.1 m x 3.75 m, total mass = 2.500 kg=) Soyuz-Fregat launcher from Kourou =) LEO
� required power P = 1980 W=) solar array 14:7m2
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Size, Mass, Power system
� size = 7.1 m x 3.75 m, total mass = 2.500 kg=) Soyuz-Fregat launcher from Kourou =) LEO
� required power P = 1980 W=) solar array 14:7m2
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Size, Mass, Power system
� size = 7.1 m x 3.75 m, total mass = 2.500 kg=) Soyuz-Fregat launcher from Kourou =) LEO
� required power P = 1980 W=) solar array 14:7m2
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Thermal control
� 2 x 180 deg/orbit, 1 deg/s� multi layer insulation - MLI� Service module 278-303 Kpassive cooling =) radiators
� IR detectors 150 Kactive cooling =) thermoelectricpumps
� X-ray Dectectors 213 Kpassive cooling =) radiators + activesupport
� X-ray optical system 239 Kactive heating =) heaters withthermostats
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Spacecraft
Attitude & Orbit control
� 3 + 1 momentum wheels=) slews
� 12 hydrazine thrusters=) momentum dumping, maneuvers
� attitude control=) 2 sun sensors, 2 star trackers,
2 space inertia reference units,kHz-SLR
Stability
� 1' per hour
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
Optical/IR & X-rayOrbit & Scanning StrategyDesign & Power systemThermal & Attitude control, Communication
Communication
Space Segment
� RF at 25.5-27 GHz (Ka-band)� solid state mass memory - SSMM -lossless data compression
� solid state power ampli�ers - SSPAs� phased array antenna� Telemetry data rate � 1 Gsps(fair weather)
Ground Segment
� Ground stations: Kourou, Malindi, ...� Demon Operation: Mission OperationsCentre (MOC), Science OperationsCentre (SOC)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Conclusion & Outlook
� combined optical and X-ray survey istechnically possible, e.g. DEMON is 5times more sensitive than eROSITA,PSF is better sampled than SNAP orJDEM ...
� complementary to ground-basedwide-�eld surveys (U,B,V,R,I), e.g.KIDS, PanSTARRS,...
� future CMB-missions (PLANCK,...)� future SNIa-missions (SNAP, JDEM,DUNE,...)
� future X-ray-missions (eROSITA,XEUS,...)
� future Weak Lensing-missions (DUNE,SNAP,...)
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON
Theoretical FrameworkScience Case
Instrumentation & SpacecraftConclusion
OutlookAcknowledgements
Acknowledgements
The GT would like to thank the organizers and the tutors of the Alpbach summerschool 2005 for inspiration and help. Especially they would like to thank Dr. AndreasQuirrenbach and the director of the school Dr. Johannes Ortner.
We would like to thank Edo Loenen for help during the preparation of the 3D �gure ofthe spacecraft, and the Space Research Institute of the Austrian Academy of Sciencesand Dr. W. Baumjohann for the workshop support.
Last but not least we would like to thank all our muses, like G�unther Hasinger,Yannick Mellier, Peter Schneider, Andrea Santovincenzo and Martin Turner for theirhelp and of course their inspiration.
Mike Lerchster & Hans Eichelberger Spaceday 2007 - Vienna - DEMON