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Access platform to our database of CMFGEN spectra for atmospheric studies of massive stars

Published online by Cambridge University Press:  29 August 2024

A. Payen-Sandoval Open the ORCID record for A. Payen-Sandoval [Opens in a new window] ,
L. Arias ,
J. Zargó ,
A. Arrieta ,
C. R. Fierro-Santillán  and
J. Klapp
A. Payen-Sandoval*
Affiliation:
Universidad Iberoamericana
L. Arias
Affiliation:
Universidad Iberoamericana
J. Zargó
Affiliation:
Escuela Superior de Física y Matemáticas, IPN
A. Arrieta
Affiliation:
Universidad Iberoamericana
C. R. Fierro-Santillán
Affiliation:
ABACUS-CINESTAV
J. Klapp
Affiliation:
ABACUS-CINESTAV Instituto Nacional de Investigaciones Nucleares
*
email: [email protected]
Rights & Permissions [Opens in a new window]

Abstract

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We have collected a database of more than 43,000 spectra of atmospheres of massive stars. These spectra have been generated with the CMFGEN code of Hillier & Miller (1998) by systematically varying stellar parameters: effective temperature, luminosity, metallicity and mass loss rate for stars from 9 to 120 solar masses (Zsargó et al. 2020) In this work we present a web-based platform for accessing the database. The platform allows an online comparison between an observed and a synthetic spectrum to quickly assess the stellar and wind parameters. The platform will be available without cost to the astronomical community and will be hosted on servers shared between Mexican Universities.

Keywords

stars: atmospheresstars:mass losscatalogs
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 177 - 178
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

Asplund, M., Grevesse, N., Sauval, A., Jacques, A. & Scott, P. 2009, ARAA, 47, 481 CrossRefGoogle Scholar
Ekström, S., et al. 2012, A&A, 537, A146 Google Scholar
Hillier, J., & Miller, D.L. 1998, ApJ, 496, 407 10.1086/305350CrossRefGoogle Scholar
Hillier, J., & Miller, D.L. 1999, ApJ, 519, 354 Google Scholar
Zsargó, J., et al. 2020, A&A, 643, A88 Google Scholar