期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 492, 期 1, 页码 L1-L5出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnrasl/slz174
关键词
binaries: spectroscopic; stars: massive; stars: rotation
资金
- Annie Jump Cannon Fellowship
- University of Delaware
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- NSERC
It was recently claimed that the magnetic O-type star HD 54879 exhibits important radial velocity variability indicative of its presence in a spectroscopic binary. More remarkably, it was furthermore reported that the star underwent a short, sudden variation in spectral type and magnetic field. In this letter, we examine new Narval and ESPaDOnS data of this star in addition to the previously published FORS2 data and conclude that both the reported velocity variations and the sudden spectral and magnetic changes are spurious.
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