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    Photometry of the magnetic white dwarf SDSS 121209.31+013627.7

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    KoenSDSS121209.31+013627.7.2006.pdf (1.022Mb)
    Date
    2006
    Author
    Koen, Chris
    Maxted, P.F.L.
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    Abstract
    The results of 27 h of time series photometry of SDSS 121209.31+013627.7 are presented. The binary period established from spectroscopy is confirmed and refined to 0.061 412 d (88.43 min). The photometric variations are dominated by a brightening of about 16 mmag, lasting a little less than half a binary cycle. The amplitude is approximately the same in V, R and white light. A secondary small brightness increase during each cycle may also be present. We speculate that SDSS 121209.31+013627.7 may be a polar in a low state.
    URI
    http://hdl.handle.net/10566/890
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    • Prof. Chris Koen
    • Research Articles (Statistics & Population Studies)

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