Spectral variations of AeBe Herbig stars in the Mon R1 association

Details Spectral variations of AeBe Herbig stars in the Mon R1 association Spectral variations of AeBe Herbig stars in the Mon R1 association

2006-11-27

arxiv.org/abs/astro-ph/0611793v1

Astron.Astrophys.Trans. 24 (2005) 307-310

Astronomy and Astrophysics

Astrophysics

4pages, 3figures

Scientific paper

We present the change in the Halpha emission-line profile of the spectra of some AeBe Herbig stars. In the spectrum of VY Mon, Halpha may have one of three profile types: P Cyg, P Cyg III or single line in accordance with the brightness variations of the star. HD259431 now shows a double Halpha profile with the red component stronger than the blue component, while in the earlier observations the blue peak was higher than the red peak. Finally, the last Halpha profile of LkHalpha215 is very similar to that obtained by Finkenzeller et al.

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