4-micron Direct Imaging Searches for Planets Around ɛ Eri and V Ind

Details 4-micron Direct Imaging Searches for Planets Around ɛ Eri and V Ind 4-micron Direct Imaging Searches for Planets Around ɛ Eri and V Ind

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..223j&link_type=abstract

EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V

Computer Science

Origin And Evolution, Main-Sequence: Intermediate-Type Stars, Charge-Coupled Devices, Image Detectors, And Ir Detector Arrays

Scientific paper

At distances of only 3.3 and 3.6 pc respectively, V Eri and V Ind are two of the closest solar-type stars. In addition, they both exhibit long-term radial velocity (RV) trends indicative of planetary companions at relatively large separations, making them interesting for the purpose of direct imaging. Previously, we have reported the results of a deep imaging campaign of V Eri at 4 microns, which, in combination with dynamical data, led to the exclusion of any planets more massive than 3 Mjup anywhere in the system. Here, we will briefly review those results, as well as the results using the same method for V Ind A, where the massive planet or low-mass brown dwarf implied by the RV trend was undetected, and similar constraints could be determined on the system parameters.

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