Explaining the winds of cool giant and supergiant stars with global 3D models

Project Information

EXWINGS

Grant agreement ID: 883867

DOI 10.3030/883867

EC signature date 15 April 2020

Start date 1 September 2020

End date 31 August 2025

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost € 2 456 383,00

EU contribution € 2 456 383,00

Coordinated by

UPPSALA UNIVERSITET
Sweden

Publications

Peer reviewed articles (11)

Distance estimates for AGB stars from parallax measurements

Author(s): M. Andriantsaralaza, S. Ramstedt, W. H. T. Vlemmings, E. De Beck
Published in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202243670

Synthetic photometry for carbon-rich giants. V. Effects of grain-size-dependent dust opacities

Author(s): K. Eriksson, S. Höfner, B. Aringer
Published in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.48550/arxiv.2303.09984

DEATHSTAR—CO Envelope Size and Asymmetry of Nearby AGB Stars

Author(s): Miora Andriantsaralaza; Wouter Vlemmings; Sofia Ramstedt; Elvire De Beck
Published in: Galaxies vol.10(2022), 2022, ISSN 2075-4434
Publisher: MDPI
DOI: 10.3390/galaxies10010033

DEATHSTAR: nearby AGB stars with the Atacama Compact Array II. CO envelope sizes and asymmetries: the S-type stars

Author(s): M. Andriantsaralaza, S. Ramstedt, W. H. T. Vlemmings, T. Danilovich, E. De Beck, M. A. T. Groenewegen, S. Höfner, F. Kerschbaum, T. Khouri, M. Lindqvist, M. Maercker, H. Olofsson, G. Quintana-Lacaci, M. Saberi, R. Sahai and A. Zijlstra
Published in: Astronomy and Astrophysics, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202140952

Global 3D radiation-hydrodynamical models of AGB stars with dust-driven winds

Author(s): B. Freytag, S. Höfner
Published in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202244992

Properties of self-excited pulsations in 3D simulations of AGB stars and red supergiants

Author(s): A. Ahmad, B. Freytag, S. Höfner
Published in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202244555

ATOMIUM: Probing the inner wind of evolved O-rich stars with new, highly excited H2O and OH lines

Author(s): A. Baudry, K. T. Wong, S. Etoka, A. M. S. Richards, H. S. P. Müller, F. Herpin, T. Danilovich, M. D. Gray, S. Wallström, D. Gobrecht, T. Khouri, L. Decin, C. A. Gottlieb, K. M. Menten, W. Homan, T. J. Millar, M. Montargès, B. Pimpanuwat, J. M. C. Plane, P. Kervella
Published in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202245193

Probing red supergiant dynamics through photo-center displacements measured by Gaia

Author(s): A. Chiavassa, R. Kudritzki, B. Davies, B. Freytag, S. E. de Mink
Published in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202243568

Atmosphere of Betelgeuse before and during the Great Dimming event revealed by tomography

Author(s): K. Kravchenko, A. Jorissen, S. Van Eck, T. Merle, A. Chiavassa, C. Paladini, B. Freytag, B. Plez, M. Montargès, H. Van Winckel
Published in: Astronomy and Astrophysics, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202039801

Dynamic atmospheres and winds of cool luminous giants. II. Gradual Fe enrichment of wind-driving silicate grains

Author(s): S. Höfner, S. Bladh, B. Aringer, K. Eriksson
Published in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202141224

The extended atmosphere and circumstellar environment of the cool evolved star VX Sagittarii as seen by MATISSE

Author(s): A. Chiavassa, K. Kravchenko, M. Montargès, F. Millour, A. Matter, B. Freytag, M. Wittkowski, V. Hocdé, P. Cruzalèbes, F. Allouche, B. Lopez, S. Lagarde, R. G. Petrov, A. Meilland, S. Robbe-Dubois, K.-H. Hofmann, G. Weigelt, P. Berio, P. Bendjoya, F. Bettonvil, A. Domiciano de Souza, M. Heininger, Th. Henning, J. W. Isbell, W. Jaffe, L. Labadie, M. Lehmitz, K. Meisenheimer, A. Soulain, J. Varga,
Published in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202142514

Conference proceedings (3)

Models of C-type AGB Stars: Dust Opacities and Wind Properties

Author(s): E. Siderud, S. Höfner, S. Bladh, K. Eriksson
Published in: IAU Symposium 366: The Origin of Outflows in Evolved Stars, Zenodo Community, 2021
Publisher: Zenodo
DOI: 10.5281/zenodo.6372669

Self-excited Pulsations of AGB and RGB Stars in Global 3D Models

Author(s): A. Ahmad, B. Freytag, Susanne Höfner
Published in: IAU Symposium 366: The Origin of Outflows in Evolved Stars, Zenodo Community, 2021
Publisher: Zenodo
DOI: 10.5281/zenodo.6372410

Explaining the winds of AGB stars: Recent progress

Author(s): S. Höfner, B. Freytag
Published in: The Origin of Outflows in Evolved Stars, Proceedings of IAU Symposium 366, 2022
Publisher: Cambridge University Press
DOI: 10.48550/arxiv.2204.09728