Multi-periodic pulsations of a stripped red-giant star in an eclipsing binary system

Pierre F. L. Maxted (), Aldo M. Serenelli, Andrea Miglio, Thomas R. Marsh, Ulrich Heber, Vikram S. Dhillon, Stuart Littlefair, Chris Copperwheat, Barry Smalley, Elmé Breedt and Veronika Schaffenroth
Additional contact information
Pierre F. L. Maxted: Astrophysics Group, Keele University, Keele, Staffordshire ST5 5BG, UK
Aldo M. Serenelli: Instituto de Ciencias del Espacio (CSIC-IEEC), Facultad de Ciencias, Campus UAB, Bellaterra 08193, Spain
Andrea Miglio: School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Thomas R. Marsh: University of Warwick, Coventry CV4 7AL, UK
Ulrich Heber: Dr Karl Remeis Observatory and ECAP, Astronomical Institute, Friedrich-Alexander University Erlangen-Nuremberg, Sternwartstrasse 7, 96049 Bamberg, Germany
Vikram S. Dhillon: University of Sheffield, Sheffield S3 7RH, UK
Stuart Littlefair: University of Sheffield, Sheffield S3 7RH, UK
Chris Copperwheat: Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead, Wirral CH41 1LD, UK
Barry Smalley: Astrophysics Group, Keele University, Keele, Staffordshire ST5 5BG, UK
Elmé Breedt: University of Warwick, Coventry CV4 7AL, UK
Veronika Schaffenroth: Dr Karl Remeis Observatory and ECAP, Astronomical Institute, Friedrich-Alexander University Erlangen-Nuremberg, Sternwartstrasse 7, 96049 Bamberg, Germany

Nature, 2013, vol. 498, issue 7455, 463-465

Abstract: Measurements of a precursor to a low-mass white-dwarf star reveal that such white-dwarf stars probably had a thick hydrogen envelope, which was lost by irradiation or shell flashes in the case of rapidly cooling white-dwarf stars.

Date: 2013
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DOI: 10.1038/nature12192

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