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M 1-67 and RCW 58: nebulae around WN8h stars formed through CE evolution

Published online by Cambridge University Press:  29 August 2024

P. Jiménez-Hernández Open the ORCID record for P. Jiménez-Hernández [Opens in a new window] ,
S. J. Arthur ,
J. A. Toalá  and
A. P. Marston
P. Jiménez-Hernández*
Affiliation:
Instituto de Radioastronomía y Astrofísica, UNAM, Antigua Carretera a Pátzcuaro # 8701, Ex-Hda. San José de la Huerta, Morelia, Michoacán, México C.P. 58089
S. J. Arthur
Affiliation:
Instituto de Radioastronomía y Astrofísica, UNAM, Antigua Carretera a Pátzcuaro # 8701, Ex-Hda. San José de la Huerta, Morelia, Michoacán, México C.P. 58089
J. A. Toalá
Affiliation:
Instituto de Radioastronomía y Astrofísica, UNAM, Antigua Carretera a Pátzcuaro # 8701, Ex-Hda. San José de la Huerta, Morelia, Michoacán, México C.P. 58089
A. P. Marston
Affiliation:
European Space Astronomy Centre, ESA, PO Box 78, 28691 Villanueva de la Cañada, Madrid, Spain
*
email: p.jimenez@irya.unam.mx
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Abstract

We present the analysis of the dust properties of the Wolf-Rayet nebulae M 1-67 and RCW 58 around the WN8h stars WR 124 and WR 40, respectively. Modeling with the photoionization code Cloudy shows that in both nebulae the IR spectral energy distributions and ionized gas properties can be reproduced by a dust shell consisting of two populations of dust grains. Furthermore, taking into account the initial mass, the morphology and the kinematics of the nebulae we propose M 1-67 and RCW 58, together with their progenitor stars, as the first observational evidences of post-common envelope evolution in nebulae around massive stars.

Keywords

stars: circumstellar matterstars: evolutionstars: individual (WR 40WR 124)
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 499 - 501
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

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References

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Jim´enez-Hern´andez, P., Arthur, S. J., & Toal´a, J. A. 2020, MNRAS, 497, 4128Google Scholar
Jiménez-Hernández, P., Arthur, S. J., Toalá, J. A., & Marston, A. P. 2021, MNRAS, 507, 3030 Google Scholar
Kochanek, C. S. 2011, ApJ, 743, 73 Google Scholar
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