marc kuchner harvard-smithsonian center for astrophysics
DESCRIPTION
Keck Interferomet er Nuller Shared-Risk Scienc e Program. Marc Kuchner Harvard-Smithsonian Center for Astrophysics. Zodiacal Light Clementine 1994. Radiation Pressure 10 yr. P-R Drag 10 yr. 6. ?. Terrestrial Planet Finder /Darwin. ?. Terrestrial Planet Finder /Darwin. - PowerPoint PPT PresentationTRANSCRIPT
Marc Kuchner
Harvard-Smithsonian Center for Astrophysics
Keck Interferometer Nuller Shared-Risk Science Program
1) YSO Disks
2) Exozodiacal Dust
3) Hot Jupiters
Keck Interferometer Nuller Shared-Risk Science Program
Simulate Keck Nuller Data
•Photon Noise•Stellar Leak (10% Uncertain)•(u,v) coverage for star•Distribution of i, PA•0.5 m bands covering 10-12.5m
Try to Recover Optical Depth ofCloud from Simulated Data by
Fitting Models
assumed uncertainty in stellar leakage
resultinguncertainty in
measurement of10x Solar Cloud
optical depth
Inside Quadratic Null
•star and planet are spectrallydegenerate ( )
•planet and flux are
degenerate
Break with(u,v) coverage?knowledge of stellar leak?
-4
ObserveNow
Simulate Keck Nuller Data
•Photon Noise•Stellar Leak (10% Uncertain)•(u,v) coverage for star•1 night, zenith angle < 45°•50% Observing Efficiency•Distribution of i,