Wraight, K.T., Fossati, L, White, G.J., Norton, A.J. and Bewsher, Danielle (2012) Bright low mass eclipsing binary candidates observed by STEREO. Monthly Notices of the Royal Astronomical Society, 427 (3). pp. 2298-2307.
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Digital ID: http://doi.org/10.1111/j.1365-2966.2012.22102.x
Observations from the Heliospheric Imagers (HI-1) on both the STEREO spacecraft have been analysed to search for bright low mass eclipsing binaries (EBs) and potential brown dwarf transits and to determine the radii of the companions. A total of nine EB candidates have been found, ranging in brightness from V = 6.59 to 11.3 mag, where the radius of the companion appears to be less than 0.4 R⊙, with a diverse range of host temperatures, from 4074 to 6925 K. Both components of one candidate, BD-07 3648, appear to be less than 0.4 R⊙ and this represents a particularly interesting system for further study. The shapes of the eclipses in some cases are not clear enough to be certain they are total and the corresponding radii found should therefore be considered as lower limits. The EBs reported in this paper have either been newly found by the present analysis or previously reported to be eclipsing by our earlier STEREO/HI-1 results. One of the new objects has subsequently been confirmed using archival SuperWASP data. This study was made possible by using an improved matched filter extraction algorithm, which is described in this paper.
|Subjects:||Physical sciences > Astronomy|
|Schools:||Faculty of Science and Technology > School of Physical Sciences and Computing > Jeremiah Horrocks Institute|
|Deposited By:||Danielle Bewsher|
|Deposited On:||15 Oct 2013 12:56|
|Last Modified:||15 Mar 2017 10:41|
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