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An exploration of Cygnus OB2 and perspectives for the upcoming WEAVE High-Resolution Cygnus Survey

Published online by Cambridge University Press:  29 August 2024

Sara R. Berlanas Open the ORCID record for Sara R. Berlanas [Opens in a new window]  and
Artemio Herrero
Sara R. Berlanas*
Affiliation:
Dept. de Física Aplicada, Universidad de Alicante, E-03 690 San Vicente del Raspeig, Spain Astrophysics Group, Keele University, Keele ST5 5BG, Staffordshire, UK
Artemio Herrero
Affiliation:
Instituto de Astrofísica de Canarias, E-38 200 La Laguna, Tenerife, Spain Dept. de Astrofísica, Universidad de La Laguna, E-38 205 La Laguna, Tenerife, Spain
*
email: [email protected]
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Abstract

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During the last years we have carried out different studies in the Cygnus OB2 association based on new spectroscopic data and benefiting from the unprecedented Gaia astrometry. They include membership, chemical and structure studies, that allowed us to discern for the first time ever between two stellar groups separated by several hundred parsecs within the association and find at least two star-forming bursts at ∼3 and ∼5 Myr. Using these studies as a template and combining upcoming spectroscopic WEAVE data and the expected accuracy that Gaia will reach in the Cygnus-X area (DR3 and forthcoming releases), we will be able to perform the deepest multi-dimensional study ever done before in a massive star-forming complex. The results of this project will lead to an important improvement of our knowledge of star formation and evolution of star-forming regions and clusters, including our understanding of the dynamics and kinematics of OB associations and stellar groups.

Keywords

stars: massivestars: early-typestars: abundancesstars: fundamental parametersopen clusters and associations: individual: Cygnus-X
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 18 , Symposium S361: Massive Stars Near and Far , May 2022 , pp. 122 - 124
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Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

References

Berlanas, S. R., Herrero, A., Comerón, F., Pasquali, A., Bertelli Motta, C., & Sota, A. 2018a, A&A, 612, A50 Google Scholar
Berlanas, S. R., Herrero, A., Comerón, F., Simón-D az, S., Cerviño, M., & Pasquali, A. 2018b, A&A, 620, A56Google Scholar
Berlanas, S. R., Wright, N. J., Herrero, A., Drew, J. E., & Lennon, D. J. 2019, MNRAS, 484, 1838 Google Scholar
Berlanas, S. R., et al. 2020, A&A, 642, A168 10.1051/0004-6361/202039015CrossRefGoogle Scholar
Knödlseder, J. 2000, A&A, 360, 539 Google Scholar
Schneider, N., Bontemps, S., Simon, R., Jakob, H., Motte, F., Miller, M., Kramer, C., & Stutzki, J. 2006, A&A, 458, 855 10.1051/0004-6361:20065088CrossRefGoogle Scholar
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