galaxy groups in the cosmos alexis finoguenov max-planck institut fuer extraterrestrische physik l....
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Galaxy groups in the COSMOS Galaxy groups in the COSMOS
Alexis FinoguenovAlexis FinoguenovMax-Planck Institut fuer extraterrestrische PhysikL. Guzzo,L. Guzzo, G. Hasinger, N. Scoville, A. Leauthaud, J.P. G. Hasinger, N. Scoville, A. Leauthaud, J.P.
Kneib, H. Boehringer, Kneib, H. Boehringer, & COSMOS collaboration& COSMOS collaboration
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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XMM
COSMOS
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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COSMOS
420 photo-z structures:z=0.1z=0.3z=0.5z=0.7z=1
PHOTOZ
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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X-ray cluster catalog
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Redshift distribution
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Log(N)-log(S)
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Luminosity Function
z<0.6z>0.60<z<1.3
BCS (Ebeling et al. 1998)
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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COSMOS: X-ray selected clusters with weak lensing detection
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Stacked lensing signal
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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M(lensing)-T relation
11 most luminousclusters at z~0.2Bardeau et al.
mergers
•Merger clusters scatter more from the M-T relation• Luminosity selection is contaminated by the low-mass clusters
Stackedanalysis
Vikhlinin et al. 2005
AF et al. 2001
Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Alexis Finoguenov X-ray Scaling relation with lensing mass estimates
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Conclusions
• COSMOS survey explores the new regime of cluster fluxes
• logN-logS is found to be similar yet somewhat higher then the predictions form the previous surveys
• No evolution of the X-ray luminosity function is detected at probed luminosities
• Lensing mass estimates extend to down to group regime
Roberto AbrahamMasaru AjikiJustin AlpertHerve AusselJosh BarnesMarcella BrusaDaniela CalzettiPeter CapakJohn CarlstromChris CarilliAndrea CimattiAndrea ComastriMarcella CorolloEmannuel DaddiRichard EllisMartin ElvisAmr El ZantShawn EwaldMike FallAlexis Finoguenov
Alberto FranceschiniMauro GiavaliscoRichard GriffithsGigi GuzzoGunther HasingerChris ImpeyJean-Paul KneibKarel NelJin KodaAnton KoekemoerAlexie LeauthaudOlivier LeFevreIngo LehmannSimon LillyThorsten LiskerCharles LiuRichard MasseyHenry McCrackenYannick MellierSatoshi MiyazakiBahram MobasherTakashi Murayama
Colin NormanAlexandre RefregierAlvio RenziniJason RhodesMike RichDave SandersShunji SasakiDave SchminovichEva SchinnererNick ScovilleMarco ScodeggioKartik ShethPatrick ShopbellJames TaylorDave ThompsonNeil TysonMeg UrryYoshi TaniguchiLudovic Van WaerbekePaolo VettolaniSimon WhiteLin Yan
COSMOS -- team & collaborators