ralf siebenmorgen ir instrument from antarctica (thermal) ir instruments from antarctica: what can...
Post on 16-Dec-2015
213 Views
Preview:
TRANSCRIPT
- Slide 1
- Ralf Siebenmorgen IR instrument from Antarctica (thermal) IR instruments from Antarctica: what can be gained Ralf Siebenmorgen Why? pwv, T, aerosols IR projects: DomeC and elsewhere Science cases Conclusion: my favoured modes (thermal) IR := 2-24m = K,L,M,N,Q
- Slide 2
- Ralf Siebenmorgen IR instrument from Antarctica Atmospheric optical thickness spectrum
- Slide 3
- Ralf Siebenmorgen IR instrument from Antarctica Atmospheric transmission 1 - 2.5m opens up OH emission remains K dark filter Paranal Dome C (30m)
- Slide 4
- Ralf Siebenmorgen IR instrument from Antarctica Paranal Dome C (30m) Atmospheric transmission
- Slide 5
- Ralf Siebenmorgen IR instrument from Antarctica Atmospheric transmission Paranal Dome C (30m)
- Slide 6
- Ralf Siebenmorgen IR instrument from Antarctica Sky background: temperature
- Slide 7
- Ralf Siebenmorgen IR instrument from Antarctica Burton et al. 2005 Sky background: - PWV Low: - temperature - aerosol
- Slide 8
- Ralf Siebenmorgen IR instrument from Antarctica Beckers08 8m 30m
- Slide 9
- sky coverage 4-6 LGSs (cone effect) Correction on axis 1 deformable mirror 2 1
- Slide 10
- Wide corrected FoV 5 LGSs/ WFSs 1 DM FoV ~ 6 LTAO
- Slide 11
- PSF uniformity >6 LGSs/ WFSs >3 NGS >2 DM improve corrected FoV 2 1
- Slide 12
- Tower solution Technical issues maintenace GLAO -> next talk by Marcell Carbillet
- Slide 13
- Tower solution Beckers08 Vibration Footing Thermal bending Icing maintenance
- Slide 14
- Ralf Siebenmorgen IR instrument from Antarctica Dome sizes
- Slide 15
- Ralf Siebenmorgen IR instrument from Antarctica Dome sizes
- Slide 16
- IR projects at Dome C This session : IRAIT (International Robotic Antarctic IR Tel.) Maurizo Busso AMICA (Antarctic Multiband IR Camera ) Mauro Dolci
- Slide 17
- IR projects at Dome C WHITE 2.4m tel. 0.3 resolution 0.7deg 2 fov 1-5m ? Surveys LMC weak lensing SN(z
top related