Other
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992hst..prop.3815h&link_type=abstract
HST Proposal ID #3815
Other
Hst Proposal Id #3815
Scientific paper
The Hubble-Sandage variables in M31 and M33 are luminous blue variables (LBVs) -- very luminous, eruptively unstable stars in the same general class as S Dor, Eta Car, and P Cyg. UV observations of H-S variables will significantly enhance the limited information available to us concerning the evolution and structure of the most massive stars. ---- LBVs are important in several major astrophysical connections and are only beginning to be understood. Since the LBV stage of evolution is brief, only a few examples are available in our Galaxy and in the Magellanic Clouds, close enough for UV observations with IUE. Therefore our coverage of the wide parameter space embraced by LBVs has been so sparse that theoretical development has been hindered. ---- With the ST, we can significantly increase this coverage by adding the H-S variables in M31 and M33 to the set of "useful" LBVs. UV spectroscopy is needed to determine their temperatures, luminosities, and mass-loss rates. These parameters are required to clarify their relations to other LBVs and very massive stars in general, and to provide more information on evolutionary origin of LBVs, physical causes of the violent eruptions, and other problems.
No associations
LandOfFree
Uv Observations of the Hubble-Sandage Variables in M31 and M33 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 Uv Observations of the Hubble-Sandage Variables in M31 and M33, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Uv Observations of the Hubble-Sandage Variables in M31 and M33 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1207031