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17th European White Dwarf Workshop: Application of improved model spectra to DA white dwarfs in the SDSS
Tremblay, Pier-Emmanuel (2010)
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mla
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Tremblay P. "17th European White Dwarf Workshop: Application of improved model spectra to DA white dwarfs in the SDSS.", timms video, Universität Tübingen (2010): https://timms.uni-tuebingen.de:443/tp/UT_20100816_003_eurowd_0001. Accessed 30 Oct 2020.
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Tremblay, P. (2010). 17th European White Dwarf Workshop: Application of improved model spectra to DA white dwarfs in the SDSS. timms video: Universität Tübingen. Retrieved October 30, 2020 from the World Wide Web https://timms.uni-tuebingen.de:443/tp/UT_20100816_003_eurowd_0001
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Tremblay, P. (2010). 17th European White Dwarf Workshop: Application of improved model spectra to DA white dwarfs in the SDSS [Online video]. 16 August. Available at: https://timms.uni-tuebingen.de:443/tp/UT_20100816_003_eurowd_0001 (Accessed: 30 October 2020).
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title: 17th European White Dwarf Workshop: Application of improved model spectra to DA white dwarfs in the SDSS
alt. title: 17th European White Dwarf Workshop - Luminosity function, mass distribution and populations
creator: Tremblay, Pier-Emmanuel (author)
subjects: Astronomie, Physik, Astrophysik, Workshop, White Dwarf, Spectra, DA White Dwarfs, SDSS, Pier-Emmanuel Tremblay
description: 17th European White Dwarf Workshop, 16. bis 20. August 2010
abstract: Application of improved model spectra to DA white dwarfs in the SDSS (P.-E. Tremblay, P. Bergeron) (Département de Physique, Université de Montréal, Montréal, Québec, Canada) We have recently published a new set of model spectra for DA white dwarfs with improved Stark broadening and obtained sound results for the mass distribution of hot DA stars identified in the PG sample. We apply here these improved model spectra to the large SDSS sample of DA white dwarfs that includes many stars cooler than 12,000 K where the problem of abnormally high surface gravities has been observed. We attempt to determine the best compromise between the size of our selected sample and the signal-to-noise ratio of the optical spectra. We present improvements made in our understanding of the general properties of the sample, such as the mass distribution as a function of effective temperature, and compare the results to other large DA samples. We finally report on the detection of double degenerate binary systems.
publisher: ZDV Universität Tübingen
contributor: ZDV Universität Tübingen (producer)
creation date: 2010-08-16
dc type: image
localtype: video
identifier: UT_20100816_003_eurowd_0001
language: eng
rights: Url: https://timmsstatic.uni-tuebingen.de/jtimms/TimmsDisclaimer.html?637396148604538382