Analysis of faint blue stars at high galactic latitudes

Details Analysis of faint blue stars at high galactic latitudes Analysis of faint blue stars at high galactic latitudes

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..279h&link_type=abstract

In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 279-28

Astronomy and Astrophysics

Astrophysics

21

Blue Stars, Stellar Atmospheres, Stellar Spectra, Abundance, Helium, Iue, Stellar Gravitation, Stellar Models, Stellar Temperature

Scientific paper

Ultraviolet and visual spectra of 16 faint B-type stars at high galactic latitudes are analyzed for effective temperature, gravity, and helium abundance by means of model atmospheres. Nine stars are helium poor while six have normal helium abundance; SB 939 is found to be an intermediate helium star; SB 357 appears to be a rapidly rotating Be star; and PHL 346 is probably metal rich. From the (g,Teff)-diagram it is concluded that the helium poor stars are horizontal branch stars. Four of them are sdB stars and belong to the extended horizontal branch. The helium normal stars are main sequence stars with masses between 3 and 8 solar masses, which are far away from the star forming regions in the galactic plane.

Affiliated with

Also associated with

No associations

Rating

Analysis of faint blue stars at high galactic latitudes 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 Analysis of faint blue stars at high galactic latitudes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Analysis of faint blue stars at high galactic latitudes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1294795