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17th European White Dwarf Workshop: Analysis of Chandra-LETG spectra of two DA white dwarfs and a PG1159 star
Adamczak, Jens (2010)
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mla
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Adamczak J. "17th European White Dwarf Workshop: Analysis of Chandra-LETG spectra of two DA white dwarfs and a PG1159 star.", timms video, Universität Tübingen (2010): https://timms.uni-tuebingen.de:443/tp/UT_20100816_012_eurowd_0001. Accessed 29 Oct 2020.
apa
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Adamczak, J. (2010). 17th European White Dwarf Workshop: Analysis of Chandra-LETG spectra of two DA white dwarfs and a PG1159 star. timms video: Universität Tübingen. Retrieved October 29, 2020 from the World Wide Web https://timms.uni-tuebingen.de:443/tp/UT_20100816_012_eurowd_0001
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Adamczak, J. (2010). 17th European White Dwarf Workshop: Analysis of Chandra-LETG spectra of two DA white dwarfs and a PG1159 star [Online video]. 16 August. Available at: https://timms.uni-tuebingen.de:443/tp/UT_20100816_012_eurowd_0001 (Accessed: 29 October 2020).
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title: 17th European White Dwarf Workshop: Analysis of Chandra-LETG spectra of two DA white dwarfs and a PG1159 star
alt. title: 17th European White Dwarf Workshop - White dwarf structure and evolution
creator: Adamczak, Jens (author)
subjects: Astronomie, Physik, Astrophysik, Workshop, White Dwarf, Chandra-LETG spectra, DA white dwarfs, PG1159 star, Jens Adamczak
description: 17th European White Dwarf Workshop, 16. bis 20. August 2010
abstract: Analysis of Chandra-LETG spectra of two DA white dwarfs and a PG1159 star (J. Adamczak1, K. Werner1, T. Rauch1, S. Schuh2, J.J. Drake3, J.W. Kruk4, A. Gautschy5) (1 Institute for Astronomy and Astrophysics, Kepler Center for Astro and Particle Physics, Eberhard Karls University, Tübingen, Germany, 2 Georg August University, Göttingen, Germany, 3 Harvard-Smithsonien Center for Astrophysics, Cambridge, USA, 4 Johns Hopkins University, Baltimore, USA, 5 ETH Zürich, Switzerland) We present results of model atmosphere analyses of soft X-ray spectra of three hot WDs. These are the relatively iron-rich DA GD246, the surprisingly metal-poor DA LB1919, and the H-deficient PG1159 star PG1520+525. The two DAs are modeled with chemically stratified and with homogeneous NLTE models in order to constrain metal abundances. FUSE and HST spectra are also employed. For the PG1159 star the effective temperature can be constrained to a precision that is not attained with optical and UV spectroscopy alone.
publisher: ZDV Universität Tübingen
contributor: ZDV Universität Tübingen (producer)
creation date: 2010-08-16
dc type: image
localtype: video
identifier: UT_20100816_012_eurowd_0001
language: eng
rights: Url: https://timmsstatic.uni-tuebingen.de/jtimms/TimmsDisclaimer.html?637396103139769315