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A remarkable change of the spectrum of the magnetic Of?p star HD 148937 reveals evidence of an eccentric, high-mass binary
G. A. Wade, J. V. Smoker, C. J. Evans +10
We report new spectroscopic observations of the magnetic Of?p star HD 148937 obtained since 2015 that differ qualitatively from its extensive historical record of weak, periodic sp…
A Volume Limited Survey of mCP Stars Within 100pc II: Rotational and Magnetic Properties
J. Sikora, G. A. Wade, J. Power +1
Various surveys focusing on the magnetic properties of intermediate-mass main sequence (MS) stars have been previously carried out. One particularly puzzling outcome of these surve…
A Volume-Limited Survey of mCP Stars Within 100pc I: Fundamental Parameters and Chemical Abundances
J. Sikora, G. A. Wade, J. Power +1
We present the first results of a volume-limited survey of main sequence (MS) magnetic chemically peculiar (mCP) stars. The sample consists of all identified intermediate-mass MS s…
Short-term variability and mass loss in Be stars IV. Two groups of closely spaced, approximately equidistant frequencies in three decades of space photometry of Puppis (B7-8 IIIe)
D. Baade, A. Pigulski, Th. Rivinius +13
In early-type Be stars, groups of nonradial pulsation (NRP) modes with numerically related frequencies may be instrumental for the release of excess angular momentum through mass-e…
HD66051: the first eclipsing binary hosting an early-type magnetic star
O. Kochukhov, C. Johnston, E. Alecian +1
Early-type magnetic stars are rarely found in close binary systems. No such objects were known in eclipsing binaries prior to this study. Here we investigated the eclipsing, spectr…