Transits against Fainter Stars: The Power of Image Deconvolution

Sackett, Penny D.; Gillon, Michaël; Bayliss, Daniel D. R.; Weldrake, David T. F.; Tingley, Brandon
Referencia bibliográfica

Transiting Planets, Proceedings of the International Astronomical Union, IAU Symposium, Volume 253, p. 55-61

Fecha de publicación:
2
2009
Número de autores
5
Número de autores del IAC
1
Número de citas
2
Número de citas referidas
2
Descripción
Compared to bright star searches, surveys for transiting planets against fainter (V = 12 18) stars have the advantage of much higher sky densities of dwarf star primaries, which afford easier detection of small transiting bodies. Furthermore, deep searches are capable of probing a wider range of stellar environments. On the other hand, for a given spatial resolution and transit depth, deep searches are more prone to confusion from blended eclipsing binaries. We present a powerful mitigation strategy for the blending problem that includes the use of image deconvolution and high-resolution imaging. The techniques are illustrated with Lupus-TR-3 and very recent IR imaging with PANIC on Magellan. The results are likely to have implications for the CoRoT and KEPLER missions designed to detect transiting planets of terrestrial size.