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 2026

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

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (25)

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

A new dimension in the variability of AGB stars: Convection patterns size changes with pulsation

Author(s): A. Rosales-Guzmán, J. Sanchez-Bermudez, C. Paladini, B. Freytag, M. Wittkowski, A. Alberdi, F. Baron, J.-P. Berger, A. Chiavassa, S. Höfner, A. Jorissen, P. Kervella, J.-B. Le Bouquin, P. Marigo, M. Montargès, M. Trabucchi, S. Tsvetkova, R. Schödel, S. Van Eck
Published in: Astronomy & Astrophysics, Issue 688, 2024, Page(s) A124, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202349112

Is Betelgeuse Really Rotating? Synthetic ALMA Observations of Large-scale Convection in 3D Simulations of Red Supergiants

Author(s): Jing-Ze 竟泽 Ma 马, Andrea Chiavassa, Selma E. de Mink, Ruggero Valli, Stephen Justham, Bernd Freytag
Published in: The Astrophysical Journal Letters, Issue 962, 2024, Page(s) L36, ISSN 2041-8205
Publisher: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad24fd

Probing the Extended Atmospheres of AGB Stars. I. Synthetic Imaging of 1D Hydrodynamical Models at Radio and (Sub-)millimeter Wavelengths

Author(s): Behzad Bojnordi Arbab, Wouter Vlemmings, Theo Khouri, Susanne Höfner
Published in: The Astrophysical Journal, Issue 976, 2024, Page(s) 138, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ad83b8

The impact of third dredge-up on the mass loss of Mira variables

Author(s): S. Uttenthaler, S. Shetye, A. Nanni, B. Aringer, K. Eriksson, I. McDonald, D. Gobrecht, S. Höfner, U. Wolter, S. Cristallo, K. Bernhard
Published in: Astronomy & Astrophysics, Issue 690, 2024, Page(s) A393, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202451708

New sub-millimetre HCN lasers in carbon-rich evolved stars

Author(s): W. Yang, K. T. Wong, H. Wiesemeyer, K. M. Menten, Y. Gong, J. Cernicharo, E. De Beck, B. Klein, C. A. Durán
Published in: Astronomy & Astrophysics, Issue 696, 2025, Page(s) A60, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202453136

An impressionist view of V Hydrae

Author(s): L. Planquart, C. Paladini, A. Jorissen, A. Escorza, E. Pantin, J. Drevon, B. Aringer, F. Baron, A. Chiavassa, P. Cruzalèbes, W. Danchi, E. De Beck, M. A. T. Groenewegen, S. Höfner, J. Hron, T. Khouri, B. Lopez, F. Lykou, M. Montarges, N. Nardetto, K. Ohnaka, H. Olofsson, G. Rau, A. Rosales-Guzmán, J. Sanchez-Bermudez, P. Scicluna, L. Siess, F. Thévenin, S. Van Eck, W. H. T. Vlemmings, G. Weige
Published in: Astronomy & Astrophysics, Issue 687, 2024, Page(s) A306, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202348226

Retrieving stellar parameters and dynamics of AGB stars with <i>Gaia</i> parallax measurements and CO⁵BOLD RHD simulations

Author(s): E. Béguin, A. Chiavassa, A. Ahmad, B. Freytag, S. Uttenthaler
Published in: Astronomy &amp; Astrophysics, Issue 690, 2024, Page(s) A125, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202450245

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

Dynamic atmosphere and wind models of C-type asymptotic giant branch stars. Influences of dust optical data on mass loss and observables

Author(s): E. Siderud, K. Eriksson, S. Höfner, S. Bladh
Published in: Astronomy &amp; Astrophysics, 2025, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202347642

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

Chemical tracers of a highly eccentric AGB–main-sequence star binary

Author(s): T. Danilovich, J. Malfait, M. Van de Sande, M. Montargès, P. Kervella, F. De Ceuster, A. Coenegrachts, T. J. Millar, A. M. S. Richards, L. Decin, C. A. Gottlieb, C. Pinte, E. De Beck, D. J. Price, K. T. Wong, J. Bolte, K. M. Menten, A. Baudry, A. de Koter, S. Etoka, D. Gobrecht, M. Gray, F. Herpin, M. Jeste, E. Lagadec, S. Maes, I. McDonald, L. Marinho, H. S. P. Müller, B. Pimpanuwat, J. M. C. P
Published in: Nature Astronomy, Issue 8, 2024, Page(s) 308-327, ISSN 2397-3366
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s41550-023-02154-y

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

ALMA High-frequency Long Baseline Campaign in 2021: Highest Angular Resolution Submillimeter Wave Images for the Carbon-rich Star R Lep

Author(s): Yoshiharu Asaki, Luke T. Maud, Harold Francke, Hiroshi Nagai, Dirk Petry, Edward B. Fomalont, Elizabeth Humphreys, Anita M. S. Richards, Ka Tat Wong, William Dent, Akihiko Hirota, Jose Miguel Fernandez, Satoko Takahashi, Antonio S. Hales
Published in: The Astrophysical Journal, Issue 958, 2024, Page(s) 86, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/acf619

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

Dimming events of evolved stars due to clouds of molecular gas

Author(s): Bernd Freytag, Susanne Höfner, Bernhard Aringer, Andrea Chiavassa
Published in: Astronomy &amp; Astrophysics, Issue 692, 2024, Page(s) A223, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202450829

Asymmetries in asymptotic giant branch stars and their winds

Author(s): Joachim Wiegert, Bernd Freytag, Susanne Höfner
Published in: Astronomy &amp; Astrophysics, Issue 690, 2024, Page(s) A162, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202450077

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

Temporal Changes in the Infrared Spectra of Magellanic Carbon Stars

Author(s): G. C. Sloan, K. E. Kraemer, B. Aringer, J. Cami, K. Eriksson, S. Höfner, E. Lagadec, M. Matsuura, I. McDonald, E. Montiel, R. Sahai, A. A. Zijlstra
Published in: Galaxies, Issue 12, 2025, Page(s) 61, ISSN 2075-4434
Publisher: MDPI AG
DOI: 10.3390/galaxies12050061

ATOMIUM: Molecular inventory of 17 oxygen-rich evolved stars observed with ALMA

Author(s): S. H. J. Wallström, T. Danilovich, H. S. P. Müller, C. A. Gottlieb, S. Maes, M. Van de Sande, L. Decin, A. M. S. Richards, A. Baudry, J. Bolte, T. Ceulemans, F. De Ceuster, A. de Koter, I. El Mellah, M. Esseldeurs, S. Etoka, D. Gobrecht, E. Gottlieb, M. Gray, F. Herpin, M. Jeste, D. Kee, P. Kervella, T. Khouri, E. Lagadec, J. Malfait, L. Marinho, I. McDonald, K. M. Menten, T. J. Millar, M. Monta
Published in: Astronomy &amp; Astrophysics, Issue 681, 2024, Page(s) A50, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202347632

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