University of St.Andrews Open Cluster Survey for Hot Jupiters

Details University of St.Andrews Open Cluster Survey for Hot Jupiters University of St.Andrews Open Cluster Survey for Hot Jupiters

2002-08-07

arxiv.org/abs/astro-ph/0208154v1

Astronomy and Astrophysics

Astrophysics

4 pages, 9 figures

Scientific paper

We are using the Isaac Newton Telescope Wide Field Camera to survey open cluster fields for transiting hot Jupiter planets. Clusters were selected on the basis of visibility, richness of stars, age and metallicity. Observations of NGC 6819, 6940 and 7789 began in 1999 and continued in 2000. We have developed an effective matched-filter transit-detection algorithm which has proved its ability to identify very low amplitude eclipse events in real data. Here we present our results for NGC 6819. We have identified 7 candidates showing transit-like events. Colour information suggests that most of the companion bodies are likely to be very-low-mass stars or brown dwarfs, intrinsically interesting objects in their own right.

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