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- W2616964676 abstract "We present the first observations of hydrogen line emission detected around the B-type star HD 46487, a well-studied star in the CoRoT field of view. The emission is only evident in the H$alpha$ line, for which the observed violet-red peak separation ($Delta v_{p}$) is typical of a B$e$ star with a circumstellar disk. The absence of dust emission from the infrared spectral energy distribution excludes the possibility of a very young star. The star's magnitude (V=5.079) and regular use in the literature for a variety of studies suggests that the line emission had a high probability of being found previously, had it been evident; since such was not the case, we believe that the B$e$ phenomenon for HD 46487 has only very recently turned on. We therefore recommend that this star be spectroscopically and photometrically monitored to track continued changes to its circumstellar morphology." @default.
- W2616964676 created "2017-06-05" @default.
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- W2616964676 date "2017-05-25" @default.
- W2616964676 modified "2023-09-27" @default.
- W2616964676 title "HD 46487 is Now a Classical Be Star" @default.
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- W2616964676 hasPublicationYear "2017" @default.
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