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  • Results of the spectroscopic observations of HDE 226868, the optical counterpart to the black hole X-ray binary Cyg X-1, from 2001 to 2006 are presented and analyzed. The KOREL disentangling of H alpha line shows that it consists of P-Cyg profile comoving with the supergiant and an emission by the circumstellar matter, which is nearly in antiphase and is responsible for the major part of the H alpha emission anticorrelated with the X-ray flux. This agrees with the presented model X-ray dominated ionization of the supergiant's stellar wind.
  • Results of the spectroscopic observations of HDE 226868, the optical counterpart to the black hole X-ray binary Cyg X-1, from 2001 to 2006 are presented and analyzed. The KOREL disentangling of H alpha line shows that it consists of P-Cyg profile comoving with the supergiant and an emission by the circumstellar matter, which is nearly in antiphase and is responsible for the major part of the H alpha emission anticorrelated with the X-ray flux. This agrees with the presented model X-ray dominated ionization of the supergiant's stellar wind. (en)
  • V práci jsou předloženy výsledky spektroskopických pozorování z let 2001 - 2006 optické složky HDE 226868 rentgenovské dvojhvězdy Cyg X-1 s černou dírou. Rozmotání čáry H alfa KORELem ukazuje P-Cyg složku pohybující se s veleobrem a emisí okolohvězdné hmoty, která je téměř v antifázi a je zodpovědná za hlavní část emise antikorelované s rentgenovským tokem. To souhlasí s předloženým modelem ionizace hvězdného větru veleobra X-záření. (cs)
Title
  • Optical Spectroscopic Observations of Cyg X-1 = HDE 226868
  • Optical Spectroscopic Observations of Cyg X-1 = HDE 226868 (en)
  • Opticka spektroskopicka pozorovani Cyg X-1 = HDE 226868 (cs)
skos:prefLabel
  • Optical Spectroscopic Observations of Cyg X-1 = HDE 226868
  • Optical Spectroscopic Observations of Cyg X-1 = HDE 226868 (en)
  • Opticka spektroskopicka pozorovani Cyg X-1 = HDE 226868 (cs)
skos:notation
  • RIV/67985815:_____/08:00312570!RIV09-AV0-67985815
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/06/0041), P(LC06014), Z(AV0Z10030501)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 385028
http://linked.open...ai/riv/idVysledku
  • RIV/67985815:_____/08:00312570
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • binaries; spectroscopic; early-type stars (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [C6CAC32D8CD3]
http://linked.open...i/riv/nazevZdroje
  • Astronomical Journal
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 136
http://linked.open...iv/tvurceVysledku
  • Hadrava, Petr
  • Liu, Q.
  • Yan, Y.
http://linked.open...ain/vavai/riv/wos
  • 257680000011
http://linked.open...n/vavai/riv/zamer
issn
  • 0004-6256
number of pages
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