Transit Timing Variations as an Exercise for High Precision Photometry

Details Transit Timing Variations as an Exercise for High Precision Photometry Transit Timing Variations as an Exercise for High Precision Photometry

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21331906t&link_type=abstract

American Astronomical Society, AAS Meeting #213, #319.06; Bulletin of the American Astronomical Society, Vol. 41, p.374

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Extrasolar planet transit timing variations (TTVs) provide an excellent means of professional/amateur collaboration that can also serve as a good test-project to assess an effort to improve a research telescope's photometry performance. I started a global telescope TTV project to look for perturbations in the timing of transits of known extrasolar planets as a project to "work out” the newly acquired telescopes. These perturbations can indicate the presence of unknown additional planets that if under favorable resonance conditions can reveal planets with a mass as low as an earth mass. TTV observations also do double by how the light curves provides an opportunity to do detailed study of the planet and star's effects on the light curve. For these purposed I arranged a collaboration to use the FTN telescope on Maui, Hawaii, and we joined the larger Transit Light Curve (TLC) project. I was stationed near FTN in Maui, Hawaii to do a year-long effort to commission the 2.0m FTN, using such test projects. Results that are available a year after this project started will be presented. Professional/amateur collaborations are particularly essential to this project especially in the event that the original telescope data fails to be released. Expected accomplishments of achieving the full data will be presented.

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