Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pasp..112..821c&link_type=abstract
The Publications of the Astronomical Society of the Pacific, Volume 112, Issue 772, pp. 821-826.
Astronomy and Astrophysics
Astronomy
5
Stars: Planetary Systems, Techniques: Photometric
Scientific paper
A novel method for performing high-precision, time-series CCD differential photometry of bright stars using a spot filter is demonstrated. Results for several nights of observing of the 51 Pegasi b-type planet-bearing star HD 187123 are presented. Photometric precision of 0.0015-0.0023 mag is achieved. No transits are observed at the epochs predicted from the radial velocity observations. If the planet orbiting HD 187123 at 0.04 AU is an inflated Jupiter similar in radius to HD 209458b, it would have been detected at greater than the 6 σ level if the orbital inclination is near 90° and at greater than the 3 σ level if the orbital inclination is as small as 82.7d.
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