![Page 1: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/1.jpg)
Radial-velocity observations with a newPoznań Spectroscopic Telescope
20 October 2009
Institut d'Astrophysique et de Géophysique
Université de Liège
Poznań Astronomical Observatoryof Adam Mickiewicz University
Poznań, Poland
![Page 2: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/2.jpg)
Our team
R. Baranowski, P. Bartczak, W. Borczyk, W. Dimitrow, M. Fagas, R. Hirsch, K. Kamiński, A. Kruszewski, K. Kurzawa, T. Kwiatkowski, A. Przybyszewska, A. Rożek, A. Schwarzenberg-Czerny, N. Żywucka ...
![Page 3: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/3.jpg)
The telescope
Mirrors diameter – 0.5 m
Focal length – 2.2 m
Optical system – Newtonian
Diameter of the fibers – 50 m
![Page 4: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/4.jpg)
Control room
![Page 5: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/5.jpg)
![Page 6: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/6.jpg)
Remote control test with web cameras
![Page 7: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/7.jpg)
CCD camera:Andor DZ 4365-stage peltier cooling Temp. –95°C2048 x 2048 pix
pixel size 13.5 x 13.5μmdark current <1el/hreadout noise 2.1 el/pix
Echellé spectrograph
Spectral range:
4480 Å – 9250 Å
Resolution:
R=35000 (~8 km/s)
![Page 8: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/8.jpg)
The echellé spectrograph
Baudrand and Bohm (1992)
![Page 9: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/9.jpg)
Acquisition box
![Page 10: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/10.jpg)
Echellé spectrum – 64 orders
4480 Å – 9250 Å
blue range: 1pix = 0.04 Å order length = 80 Å every order adds 40 Å
middle: 1pix = 0.05 Å ~2.5 km/s order length = 100 Å every order adds 80 Å
red range: 1pix = 0.08 Å order length = 160 Å every order adds 125 Å
![Page 11: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/11.jpg)
![Page 12: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/12.jpg)
ThAr calibration spectrum
1400 lines
![Page 13: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/13.jpg)
Flatfield - fringe
![Page 14: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/14.jpg)
Flatfield - fringe
![Page 15: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/15.jpg)
Telluric lines removal
![Page 16: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/16.jpg)
Flux calibration
![Page 17: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/17.jpg)
Sp=B1
V=1m
exp=250s
Hβ 4861 Å
Line profile
![Page 18: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/18.jpg)
Limiting magnitude BD+39 3012C 11m.2 Sp=F5 exp=30min
analysed by A. Rożek
![Page 19: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/19.jpg)
V2080 Cyg
Sodium
NaD
![Page 20: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/20.jpg)
V2080 Cyg
detached binary
Sp=F5
V=7m.4
exp=600s
period=4.9d
analysed by K. Kamiński
![Page 21: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/21.jpg)
28 And
δ Sct
Sp=A7III
V=5m.2
exp=600s
analysed by T. Kwiatkowski, W. Borczyk and A. Rożek
![Page 22: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/22.jpg)
V440 Per
δ Cep
Sp=F7Ib
V=6m.3
exp=600s
okres=7.57d
σRV=136 m/s---2 harmoniki---1 harmonika
analysed by M. Fagas, A.Schwarzenberg-Czerny, R. Smolec, published: MNRAS 396, 2194 - 2200
![Page 23: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/23.jpg)
Bootis
analysed by M. Fagas
![Page 24: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/24.jpg)
γ Peg
β Cep
Sp=B2IV
V=2m.8
exp=300s
period=3.4h
υ1=6.59 c/d
analysed by W. Dimitrov
![Page 25: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/25.jpg)
Quadruple system
Rozhen
PST
![Page 26: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/26.jpg)
Two mirror observing mode
![Page 27: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/27.jpg)
Two mirror observing mode
![Page 28: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/28.jpg)
Two mirror observing mode
![Page 29: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/29.jpg)
Iodine cell
![Page 30: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/30.jpg)
Iodine cell
![Page 31: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/31.jpg)
Iodine cell
First tests 7 february 2009RV = 20 m/s
![Page 32: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/32.jpg)
Iodine cell
![Page 33: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/33.jpg)
Mixing object light with callibrating ThAr lamp
![Page 34: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/34.jpg)
Mieszanie światła obiektu i lampy ThAr
![Page 35: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/35.jpg)
Photometry
![Page 36: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/36.jpg)
Current statistics
• 2 years of operation
• 1650 spectra
• 50 objects
![Page 37: Radial-velocity observations with a new Poznań Spectroscopic Telescope 20 October 2009 Institut d'Astrophysique et de Géophysique Université de Liège Poznań](https://reader036.vdocuments.net/reader036/viewer/2022062322/56649d565503460f94a348af/html5/thumbnails/37.jpg)
Future perspectives
• Spectroscopy on both mirrors
• Simultaneus photometry and spectroscopy
• Observing with iodine cell