A dearth of planetary transits in the direction of NGC 6940

Details A dearth of planetary transits in the direction of NGC 6940 A dearth of planetary transits in the direction of NGC 6940

2005-05-26

arxiv.org/abs/astro-ph/0505540v1

Mon.Not.Roy.Astron.Soc. 360 (2005) 791-800

Astronomy and Astrophysics

Astrophysics

11 pages, 30 figures, mn2e.cls style, accepted to Monthly Notices of the Royal Astronomical Society 8 April 2005

Scientific paper

10.1111/j.1365-2966.2005.09104.x

We present results of our survey for planetary transits in the field of NGC 6940. We think nearly all of our observed stars are field stars. We have obtained high precision (3-10 millimags at the bright end) photometric observations of 50,000 stars spanning 18 nights in an attempt to identify low amplitude and short period transit events. We have used a matched filter analysis to identify 14 stars that show multiple events, and four stars that show single transits. Of these 18 candidates, we have identified two that should be further researched. However, none of the candidates are convincing hot Jupiters.

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