Follow-up Observations of SPY White Dwarf + M-Dwarf Binaries

Maxted, P.F.L., Napiwotzki, R., Marsh, T.R., Burleigh, M.R., Dobbie, P.D., Hogan, E. and Nelemans, G. (2007) Follow-up Observations of SPY White Dwarf + M-Dwarf Binaries. In: In: Procs of the 15th European Workshop on White Dwarfs - ASP Conf Series 372 :. Astronomical Society of the Pacific, pp. 471-476. ISBN 978-1-58381-239-6
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We present the results of follow-up observations of white-dwarf + M-dwarf binaries identified using spectra obtained as part of the SPY survey. Spectra of the Hα region were obtained with the SPIRAL spectrograph on the AAT telescope. Of the eleven stars observed, seven are binaries with periods in the range 2.8 hours to 7.7 days. We also show that one of our targets, WD 0137−349, has a brown dwarf companion.
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Additional information Original paper can be found at: http://www.astrosociety.org/pubs/cs/361.html Copyright ASP
Date Deposited 15 May 2025 16:19
Last Modified 30 May 2025 23:09

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