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Searching for Extrasolar Planets from UNSW

Published online by Cambridge University Press:  02 May 2006

Jessie L. Christiansen ,
M.C.B. Ashley ,
M.G. Hidas ,
J.K. Webb ,
A. Phillips ,
M. Irwin  and
J. Irwin
Jessie L. Christiansen
Affiliation:
Department of Astrophysics, University of New South Wales, Sydney, NSW 2052, Australia email: jessiec@phys.unsw.edu.au
M.C.B. Ashley
Affiliation:
Department of Astrophysics, University of New South Wales, Sydney, NSW 2052, Australia email: jessiec@phys.unsw.edu.au
M.G. Hidas
Affiliation:
Department of Astrophysics, University of New South Wales, Sydney, NSW 2052, Australia email: jessiec@phys.unsw.edu.au
J.K. Webb
Affiliation:
Department of Astrophysics, University of New South Wales, Sydney, NSW 2052, Australia email: jessiec@phys.unsw.edu.au
A. Phillips
Affiliation:
Department of Astrophysics, University of New South Wales, Sydney, NSW 2052, Australia email: jessiec@phys.unsw.edu.au
M. Irwin
Affiliation:
Institute of Astronomy, University of Cambridge
J. Irwin
Affiliation:
Institute of Astronomy, University of Cambridge
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Abstract

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The Automated Patrol Telescope, operated by the University of New South Wales, has been undertaking a search for extrasolar planets using the transit method. We present lightcurves from two recent promising candidates; spectroscopic follow-up using the ANU 2.3m telescope shows that the companions are probably low mass stars rather than planets, although more data will be needed to be certain. Additionally, we outline future improvements to our transit search: a hardware upgrade scheduled for 2006, and the addition of a robust trend-filtering algorithm to the data reduction software.

Keywords

extrasolar planetstransitspectroscopic follow-uptrend-filtering
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Colloquium C200: Direct Imaging of Exoplanets: Science & Techniques , October 2005 , pp. 193 - 198
Copyright
© 2006 International Astronomical Union