Spectroscopic Variability of the Supergiant Star HD 225094

Spectroscopic Variability of the Supergiant Star HD 225094

Profile variations in the H sub( alpha ) and H sub( beta ) lines in the spectra of the star HD 225094 are investigated using observations carried out in 2013-2014 with the 2-m telescope at the Shamakhy Astrophysical Observatory. The spectral resolution of the collected spectra is approximately 15 00...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Acta astronomica 2015-01, Vol.65 (2), p.205-214
1. Verfasser: Maharramov, Y M
Format: Artikel
Sprache:eng
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Profile variations in the H sub( alpha ) and H sub( beta ) lines in the spectra of the star HD 225094 are investigated using observations carried out in 2013-2014 with the 2-m telescope at the Shamakhy Astrophysical Observatory. The spectral resolution of the collected spectra is approximately 15 000. The absorption and emission components of the H sub( alpha ) line are found to disappear on some observational epochs. It is suggested that the observational evidence for the non-stationary atmosphere of HD 225094 can be associated in part with non-spherical stellar wind.
ISSN:0001-5237