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1995A&A...299...69O - Astronomy and Astrophysics, volume 29969-78 (1995/7-1)
Near-infrared spectroscopy of post-AGB stars.
OUDMAIJER R.D., WATERS L.B.F.M., VAN DER VEEN W.E.C.J. and GEBALLE T.R.
Abstract (from CDS):
The results of a medium resolution near-infrared spectral survey of 18 post-AGB candidate stars are presented. Most of the stars have near-infrared hydrogen lines in absorption, which is normal for their spectral types. Three stars, HD 101584, HD 179821 and HD 170756 have the CO first overtone bands in emission; in two of these the emission is variable. It is suggested that the CO emission is the result of post-AGB mass loss. HD 52961 shows the rarely occurring 3.5µm emission feature and is only the fourth object in which this feature has been detected.
Abstract Copyright: ∼
Journal keyword(s): stars: circumstellar matter - stars: evolution - stars: mass loss - stars: AGB and post-AGB
Simbad objects: 39
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