Computer Science
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ssrv...66..231s&link_type=abstract
Space Science Reviews, Volume 66, Issue 1-4, pp. 231-236
Computer Science
3
Scientific paper
The profiles of Hα observed during the 1970 1992 period in the binary hypergiant HR 8752 (G0 Ia) are presented. We distinguish five typical Hα profiles designated as A, B, C, D and E types according to the number of emission and absorption features. The profiles of Hα are complex and contain several emission and absorption components, with: -130 km/s in emission or absorption, -84 km/s in absorption, -49 km/s in emission and about +6 km/s in emission. All of them are rather stable in radial velocities except of the main absorption component in the P Cygni profile with -84 km/s. The frequency of appearance and the periods of duration of the occurrence of the components is discussed. The duration times range between about 3 to 10 months for various components. The red emission component E2 is particularly interesting. Possible explanations of its origin are discussed. A long-term acceleration of the absorption component in the P Cygni profile is found; it can be interpreted as monotonous acceleration of the stellar wind.
Climenhaga J. L.
Huang Yong-Yi
Jiang Sh.
Schmidt Matthias
Smolinski Jason
No associations
LandOfFree
The complex Hα profile of the hypergiant HR 8752 during 1970 1992 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The complex Hα profile of the hypergiant HR 8752 during 1970 1992, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The complex Hα profile of the hypergiant HR 8752 during 1970 1992 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1707998