Multiplex approach to the photometric detection of planets

Details Multiplex approach to the photometric detection of planets Multiplex approach to the photometric detection of planets

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.212..293b&link_type=abstract

Astrophysics and Space Science, vol. 212, nos. 1-2, p. 293-298

Physics

Optics

Astronomical Photometry, Extrasolar Planets, Multiplexing, Spectrometers, Astrometry, Charge Coupled Devices, Detection, Doppler Effect, Fiber Optics, Radial Velocity, Velocity Measurement

Scientific paper

If the hypothesis is correct that most solar-like stars have planetary systems and have planets in inner orbits, then approximately 1% of these stars should have planets with orbital planes close enough to our line of sight to show transits. To get a statistically significant estimate of the fraction of stars that have planets in inner orbits, it is necessary to monitor thousands of stars continuously for a period of several years. To accomplish this requires the use of a multi-channel photometer system. We present here several multi-channel methods that have been used for ground-based observations and a concept for applying multi-channel photometry to the detection of numerous Earth-sized planets.

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