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MUSE 3D spectroscopy of BA-type supergiants in NGC 300.

Authors :
González-Torà, Gemma
Urbaneja, Miguel A.
Przybilla, Norbert
Dreizler, Stefan
Roth, Martin M.
Kamann, Sebastian
Castro, Norberto
Source :
Proceedings of the International Astronomical Union. May2024, Vol. 18 Issue S361, p151-156. 6p.
Publication Year :
2024

Abstract

We present the results obtained using spectroscopic data taken with the intermediate-resolution Multi Unit Spectroscopic Explorer (MUSE) of B and A-type supergiants and bright giants in the Sculptor Group galaxy NGC 300. For our analysis, a hybrid local thermodynamic equilibrium (LTE) line-blanketing+non-LTE method was used to improve the previously published results for the same data. In addition, we present some further applications of this work, which includes extending the flux-weighted gravity luminosity relationship (FGLR), a distance determination method for supergiants. This pioneering work opens up a new window to explore this relation, and also demonstrates the enormous potential of integral field spectroscopy (IFS) for extragalactic quantitative stellar studies. [ABSTRACT FROM AUTHOR]

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 :
179623144
Full Text :
https://doi.org/10.1017/S1743921322002186