Open AccessA dearth of planetary transits in the direction of NGC 6940
Author(s) -
Hood Ben,
Cameron Andrew Collier,
Kane Stephen R.,
Bramich D. M.,
Horne Keith,
Street Rachel A.,
Bond I. A.,
Penny A. J.,
Tsapras Y.,
Quirrenbach A.,
Safizadeh N.,
Mitchell D.,
Cooke J.
Publication year - 2005
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-2966
pISSN - 0035-8711
DOI - 10.1111/j.1365-2966.2005.09104.x
Subject(s) - physics , stars , transit (satellite) , astronomy , astrophysics , planetary system , planet , public transport , political science , law
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 mmag 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 is a convincing hot Jupiter.