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17th European White Dwarf Workshop: The origin of low-mass white dwarfs
Rebassa-Mansergas, Alberto (2010)
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mla
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Rebassa-Mansergas A. "17th European White Dwarf Workshop: The origin of low-mass white dwarfs.", timms video, Universität Tübingen (2010): https://timms.uni-tuebingen.de:443/tp/UT_20100816_009_eurowd_0001. Accessed 30 Oct 2020.
apa
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Rebassa-Mansergas, A. (2010). 17th European White Dwarf Workshop: The origin of low-mass white dwarfs. timms video: Universität Tübingen. Retrieved October 30, 2020 from the World Wide Web https://timms.uni-tuebingen.de:443/tp/UT_20100816_009_eurowd_0001
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Rebassa-Mansergas, A. (2010). 17th European White Dwarf Workshop: The origin of low-mass white dwarfs [Online video]. 16 August. Available at: https://timms.uni-tuebingen.de:443/tp/UT_20100816_009_eurowd_0001 (Accessed: 30 October 2020).
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title: 17th European White Dwarf Workshop: The origin of low-mass white dwarfs
alt. title: 17th European White Dwarf Workshop - Luminosity function, mass distribution and populations
creator: Rebassa-Mansergas, Alberto (author)
subjects: Astronomie, Physik, Astrophysik, Workshop, White Dwarf, low-mass white dwarfs, origin, Alberto Rebassa-Mansergas
description: 17th European White Dwarf Workshop, 16. bis 20. August 2010
abstract: The origin of low-mass white dwarfs (A.Rebassa-Mansergas1, A.Nebot Gomez-Moran2, M.R.Schreiber1, B.T.Gänsicke3) (1 Departamento de Física y Astronomía, Universidad de Valparaíso, Avenida Gran Bretana 1111, Valparaíso, Chile, 2 Astrophysikalisches Inst. Potsdam, An der Sternwarte 16, 14482, Potsdam, Germany, 3 Department of Physics, University of Warwick, Coventry CV4 7AL, UK) Low-mass white dwarfs (MWD less than 0.5M (Sun)) are thought to have form in binaries as a consequence of strong mass transfer interactions. However, recent radial velocity and infrared studies of apparently single lowmass white dwarfs reveal that a significant fraction of these do not have close companions. In this work we present the first white dwarf mass distributions directly obtained from observations of a large sample of post-common envelope binaries (PCEBs) and wide white dwarf-main sequence binaries (WDMS). The two distributions differ significantly. Whilst the PCEB sample is dominated by systems containing low-mass white dwarfs, the white dwarf mass distribution of the wide WDMS binaries is similar to that of single white dwarfs. Taking into account observational biases we find that the vast majority of low-mass white dwarfs must have formed in close binaries.
publisher: ZDV Universität Tübingen
contributor: ZDV Universität Tübingen (producer)
creation date: 2010-08-16
dc type: image
localtype: video
identifier: UT_20100816_009_eurowd_0001
language: eng
rights: Url: https://timmsstatic.uni-tuebingen.de/jtimms/TimmsDisclaimer.html?637396148285113976