The complex structure of the CA II /H and K/ lines in the spectrum of the AOep star with infrared excess HD 190073. I - Line profiles and variations during three decades /1943-1974/. II - Interpretation - The selective effect of radiative forces
Surdej, Jean; Swings, Jean-Pierre
1976 • In Astronomy and Astrophysics, 47, p. 113-119
H LINES; K LINES; LINE SHAPE; METAL IONS; STELLAR SPECTRA; A STARS; BALMER SERIES; FINE STRUCTURE; INFRARED SPECTRA; O STARS; CALCIUM
Abstract :
[en] Abstract image available at: http://esoads.eso.org/abs/1976A&A....47..113S
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Surdej, Jean ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Swings, Jean-Pierre ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Language :
English
Title :
The complex structure of the CA II /H and K/ lines in the spectrum of the AOep star with infrared excess HD 190073. I - Line profiles and variations during three decades /1943-1974/. II - Interpretation - The selective effect of radiative forces