SIMBAD references

2003A&A...411..197M - Astronomy and Astrophysics, volume 411197-202 (2003/11-4)

Two new bright Ae stars.

MONIN D.N., WADE G.A. and FABRIKA S.N.

Abstract (from CDS):

Two newly identified Ae stars, ν Cyg and κ UMa, were discovered in the course of the Magnetic Survey of Bright main sequence stars (Monin et al., 2002A&A...396..131M). We present their Hα profiles along with measurements of their equivalent width and parameters of emission features. Emission in the Hα line of ν Cyg is variable on a time scale of 3 years. κ UMa exhibits weak emission which is rather stable. The emission is thought to arise from a circumstellar disk, and we have estimated the size of that disk.Both new emission stars are IRAS sources. Their IR color excesses are consistent with those of classical Ae stars. Thus, ν Cyg and κ UMa appear not to belong to the class of Herbig Ae/Be stars. We argue that the frequency of Ae stars may be underestimated due to the difficulty of detection of weak emission in some A stars.

Abstract Copyright: ∼

Journal keyword(s): stars: emission line, Be - stars: individual: ν Cyg - stars: individual: κ UMa

Simbad objects: 3

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