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17th European White Dwarf Workshop: Activity of five WZ Sge-type systems in a few years after their outbursts
Pavlenko, Elena (2010)
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mla
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Pavlenko E. "17th European White Dwarf Workshop: Activity of five WZ Sge-type systems in a few years after their outbursts.", timms video, Universität Tübingen (2010): https://timms.uni-tuebingen.de:443/tp/UT_20100818_007_eurowd_0001. Accessed 29 Oct 2020.
apa
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Pavlenko, E. (2010). 17th European White Dwarf Workshop: Activity of five WZ Sge-type systems in a few years after their outbursts. timms video: Universität Tübingen. Retrieved October 29, 2020 from the World Wide Web https://timms.uni-tuebingen.de:443/tp/UT_20100818_007_eurowd_0001
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Pavlenko, E. (2010). 17th European White Dwarf Workshop: Activity of five WZ Sge-type systems in a few years after their outbursts [Online video]. 18 August. Available at: https://timms.uni-tuebingen.de:443/tp/UT_20100818_007_eurowd_0001 (Accessed: 29 October 2020).
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title: 17th European White Dwarf Workshop: Activity of five WZ Sge-type systems in a few years after their outbursts
alt. title: 17th European White Dwarf Workshop - White dwarfs in novae and CVs
creator: Pavlenko, Elena (author)
subjects: Astronomie, Physik, Astrophysik, Workshop, White Dwarf, activity, WZ Sge-type systems, outbursts, Elena Pavlenko
description: 17th European White Dwarf Workshop, 16. bis 20. August 2010
abstract: Activity of five WZ Sge-type systems in a few years after their outbursts (E.P. Pavlenko 1, O.I. Antoniuk 1, K.A. Antoniuk1, D.A. Samsonov1, A.V. Baklanov1, A.V. Golovin2, M.V. Andreev3) (1Crimean Astrophysical Observatory, Ukraine, 2Main Astronomical Observatory of National Academy of Sciense, Ukraine, 3Terskol Brunch of the RAS Institute of Astronomy, Russia) The WZ-type dwarf novae SDSS J080434.20+510349.2, SDSS J102146.44+234926.3, V1108 Her, ASAS J0025 and WZ Sge itself have been studied in 3, 3, 4, 4 and 7 years after their outbursts correspondently. The photometrical observations have been carried out with 2.6-m and 1.25-m telescopes of the Crimean astrophysical observatory and with 2-m telescope of the Terskol observatory. These binaries display various activity in quiescence connected with white dwarf, secondary component or accretion disc (or both). The orbital light curves of SDSS J0804, V1108 Her and WZ Sge have the two-humped profile typical to the bounce-back binaries. The main features of quiescent light curves of ASAS J0025 are high-amplitude quasiperiodical light variations probably connected with accretion disk instability. The white dwarf in SDSS J080434.20+510349.2 in 8-9 months after the outburst entered the instability stripe and displayed a stable 12.6-min. nonradial pulsations over two years. Later on the appearance of this pulsations became irregular. WZ Sge shows the fast light variability with typical time of 73-77 s in 7 years after the outburst. We first found the light variations of SDSS J102146.44+234926.3 in some occasions occur with period of 0.01367 day or multiple on this value. The possible nature of this variations is considered.
publisher: ZDV Universität Tübingen
contributor: ZDV Universität Tübingen (producer)
creation date: 2010-08-18
dc type: image
localtype: video
identifier: UT_20100818_007_eurowd_0001
language: eng
rights: Url: https://timmsstatic.uni-tuebingen.de/jtimms/TimmsDisclaimer.html?637395666790180245