SETI public: A dearth of planetary transits in the direction of NGC 6940

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Paper: astro-ph/0505540
Date: Thu, 26 May 2005 16:25:47 GMT (290kb)

Title: A dearth of planetary transits in the direction of NGC 6940

Authors: Ben Hood, Andrew Collier Cameron, Stephen R. Kane, D. M. Bramich,
  Keith Horne, Rachel A. Street, I. A. Bond, A. J. Penny, Y. Tsapras, A.
  Quirrenbach, N. Safizadeh, D. Mitchell, J. Cooke
Comments: 11 pages, 30 figures, mn2e.cls style, accepted to Monthly Notices
of
  the Royal Astronomical Society 8 April 2005
\\
  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.

\\ ( http://arXiv.org/abs/astro-ph/0505540 , 290kb)

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