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The largest and most ambitious quantitative spectroscopic analysis of B-type supergiants in the Milky Way.
- Source :
-
Proceedings of the International Astronomical Union . May2024, Vol. 18 Issue S361, p100-102. 3p. - Publication Year :
- 2024
-
Abstract
- Empirical constraints are master keys for testing theoretical evolutionary model predictions. In massive stars, the region in the Hertzsprung-Russell diagram (HRD) in which the Blue Supergiants (BSGs) are located sets several important constraints to the models, and in particular to the theoretical end of the main sequence (MS). So far, we are missing from a full quantitative spectroscopic analysis (QSA) of a sample of BSGs large enough to be statistically significant and without observational biases. We present results from a QSA of a sample of ∼700 Galactic BSGs for which we have high-resolution multi-epoch optical spectra. [ABSTRACT FROM AUTHOR]
- Subjects :
- *STELLAR parallax
*STELLAR rotation
*STELLAR evolution
*OPTICAL spectra
*HR diagrams
Subjects
Details
- Language :
- English
- ISSN :
- 17439213
- Volume :
- 18
- Issue :
- S361
- Database :
- Academic Search Index
- Journal :
- Proceedings of the International Astronomical Union
- Publication Type :
- Academic Journal
- Accession number :
- 179623167
- Full Text :
- https://doi.org/10.1017/S1743921322002496