Photometric Monitoring of AU Mic: Searching for Planetary Transits

Details Photometric Monitoring of AU Mic: Searching for Planetary Transits Photometric Monitoring of AU Mic: Searching for Planetary Transits

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005noao.prop..175h&link_type=abstract

NOAO Proposal ID #2005B-0175

Physics

Scientific paper

We propose to obtain photometric time series measurements of the young M1Ve dwarf star AU Mic to search for planetary transits within 0.28 AU from the central star. AU Mic is both the closest (9.9 pc) and the latest type star surrounded by a resolved circumstellar debris disk. The inner disk (r < 50 AU) has an inclination of ≲ 1° from the line-of-sight, and its structure shows an inner clearing (r ~ 17 AU) that could be caused by a planet orbiting within the cleared region. Among all the observed debris-disks, AU Mic is the most edge-on system, which makes it an excellent candidate in which to search for transits by planets that are analogs of the short period, hot Jupiters found by radial velocity surveys. The detection of a transit would enable important and unprecedented studies of a young planet and provide observational evidence for the connection between planets and planet-forming debris disks. This proposal is a continuation of the proposal 05A-0307/0317 which was awarded 15 nights of observing time last semester on the CTIO-1.0m.

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