A pulsation analysis of K2 observations of the subdwarf B star PG 1142-037 during Campaign 1 : A subsynchronously rotating ellipsoidal variable

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Reed , M D , Baran , A S , Ostensen , R H , Telting , J H , Kern , J W , Bloemen , S , Blay , P , Pursimo , T , Kuutma , T , Slumstrup , D , Saajasto , M , Nielsen , L D , Harmanen , J , Winans , A J , Foster , H M & Rowe , L 2016 , ' A pulsation analysis of K2 observations of the subdwarf B star PG 1142-037 during Campaign 1 : A subsynchronously rotating ellipsoidal variable ' Monthly Notices of the Royal Astronomical Society , vol. 458 , no. 2 , pp. 1417-1426 . DOI: 10.1093/mnras/stw348

Title: A pulsation analysis of K2 observations of the subdwarf B star PG 1142-037 during Campaign 1 : A subsynchronously rotating ellipsoidal variable
Author: Reed, M. D.; Baran, A. S.; Ostensen, R. H.; Telting, J. H.; Kern, J. W.; Bloemen, S.; Blay, P.; Pursimo, T.; Kuutma, T.; Slumstrup, D.; Saajasto, M.; Nielsen, L. D.; Harmanen, J.; Winans, A. J.; Foster, H. M.; Rowe, L.
Contributor: University of Helsinki, Particle Physics and Astrophysics
Date: 2016-05-11
Language: eng
Number of pages: 10
Belongs to series: Monthly Notices of the Royal Astronomical Society
ISSN: 0035-8711
URI: http://hdl.handle.net/10138/184735
Abstract: We report a new subdwarf B pulsator, PG 1142-037, discovered during the first full-length campaign of K2, the two-gyro mission of the Kepler space telescope. 14 periodicities have been detected between 0.9 and 2.5 hr with amplitudes below 0.35 parts-per-thousand. We have been able to associate all of the pulsations with low-degree, 1
Subject: stars: oscillations
subdwarfs
COMPACT PULSATORS
KEPLER
BINARY
COMPANIONS
EVOLUTION
MISSION
115 Astronomy, Space science
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