A Giant Planet Candidate near a Young Brown Dwarf Chauvin et al. (2004) A&A in press
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A Giant Planet Candidate near a Young Brown Dwarf Chauvin et al. (2004) A&A in press
description
A Giant Planet Candidate near a Young Brown Dwarf Chauvin et al. (2004) A&A in press. 136 extrasolar planets (Sep 2004). Dynamical Effects. Star rotates around the system center-of-mass Detected through Doppler shift Astrometry Pulsar timing. Doppler shift. Astrometrey. Microlensing. - PowerPoint PPT Presentation
Transcript of A Giant Planet Candidate near a Young Brown Dwarf Chauvin et al. (2004) A&A in press
A Giant Planet Candidate near a Young Brown Dwarf
Chauvin et al. (2004) A&A in press
● 136 extrasolar planets (Sep 2004)
Dynamical Effects
● Star rotates around the system center-of-mass
● Detected through– Doppler shift– Astrometry– Pulsar timing
Doppler shift
Astrometrey
Microlensing
OCCULTATION
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Direct imaging
TW Hydrae Association
● Small group of isolated young stars● In the solar neighborhood, nearest such group● Age, 10 million years, when planet formation
believed to occur● Popular location to search for planets
NACO
● NAOS - Nasmyth Adaptive Optics System● CONICA - Near-Infrared Imager and Spectrograph
Dichroic Reflected light to the WFS Efficiency Transmitted light to CONICA Efficiency Conditions of use
N90C10 V,R,I,J,K (0.45 - 2.55 microns) 90% V, R, I, J, H, K (0.45 - 2.55 microns) 10% WF sensing and observing in the
infrared
