Zobrazeno 1 - 10
of 43 255
pro vyhledávání: '"IACOB, A."'
Publikováno v:
A&A 690, A176 (2024)
With the advent of large spectroscopic surveys, automated stellar parameter determination has become commonplace. Nevertheless, spectral classification still offers a quick and useful alternative for obtaining parameter estimates for large samples of
Externí odkaz:
http://arxiv.org/abs/2407.04163
Observations have definitively strengthened the long-standing assertion that binaries are crucial in massive star evolution. While the percentage of spectroscopic binary systems among main-sequence O stars is well-studied, other phases of massive sta
Externí odkaz:
http://arxiv.org/abs/2405.11209
Publikováno v:
A&A 687, L16 (2024)
The properties of blue supergiants are key for constraining the end of the main sequence (MS) of massive stars. Whether the observed drop in the relative number of fast-rotating stars below $\sim$21$\,$kK is due to enhanced mass-loss rates at the loc
Externí odkaz:
http://arxiv.org/abs/2405.09868
Akademický článek
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The IACOB project X. Large-scale quantitative spectroscopic analysis of Galactic luminous blue stars
Publikováno v:
A&A 687, A228 (2024)
Blue supergiants (BSGs) are key objects for understanding the evolution of massive stars. However, discrepancies between theoretical predictions and empirical observations have opened up important questions yet to be answered. Studying statistically
Externí odkaz:
http://arxiv.org/abs/2312.00241
Publikováno v:
A&A 674, A212 (2023)
Blue supergiants (BSGs) are important objects to study the intermediate phases of massive star evolution, helping to constrain evolutionary models. However, the lack of a holistic study of a statistically significant and unbiased sample of these obje
Externí odkaz:
http://arxiv.org/abs/2305.00305
Akademický článek
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The IACOB project VIII. Searching for empirical signatures of binarity in fast-rotating O-type stars
Autor:
Britavskiy, N., Simón-Díaz, S., Holgado, G., Burssens, S., Apellániz, J. Maíz, Eldridge, J. J., Nazé, Y., González, M. Pantaleoni, Herrero, A.
Publikováno v:
A&A 672, A22 (2023)
The empirical distribution of projected rotational velocities (vsini) in massive O-type stars is characterized by a dominant slow velocity component and a tail of fast rotators. Binary interaction has been proposed to play a dominant role in the form
Externí odkaz:
http://arxiv.org/abs/2302.01349
Publikováno v:
A&A 665, A150 (2022)
Stellar rotation is of key importance for the formation process, evolution, and final fate of massive stars. In this paper we review results from the study of the spin rate properties of a sample of more than 400 Galactic O-type stars surveyed by the
Externí odkaz:
http://arxiv.org/abs/2207.12776
Autor:
PAVEL, Gina-Mihaela1 mighellini81@yahoo.com
Publikováno v:
Bulletin of the Transilvania University of Brasov. Series VIII: Performing Arts. 2018, Vol. 11 Issue 2, p87-94. 8p. 2 Charts.
