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Stellar Wind Variations during the X-Ray High and Low States of Cygnus X-1

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F08%3A00311901" target="_blank" >RIV/67985815:_____/08:00311901 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Stellar Wind Variations during the X-Ray High and Low States of Cygnus X-1

  • Original language description

    UV spectroscopy from HST of the X-ray black hole binary HD 226868 = Cyg X-1 is presented together with ground-based observations of H alpha and HeII 4686 A lines. The results are compared and match well with model UV wind line profiles assuming that X-ray ionization occurs everywhere in the wind except the zone where the supergiant blocks the X-ray flux.

  • Czech name

    Variace hvězdného větru během vysokého a nízkého stavu X-záření Cygnu X-1

  • Czech description

    V práci je předložena UV spektroskopie z HST a pozemní pozorování čas H alfa a HeII 4686 A rentgenovské dvojhvězdy s černou dírou HD 226868 = Cyg X-1. Výsledky jsou srovnávány a dobře souhlasí s modelem profilu UV čas hvězdného větru ionizovaného X-zářením všude kromě oblasti stíněné veleobrem.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BN - Astronomy and celestial mechanics, astrophysics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Astrophysical Journal

  • ISSN

    0004-637X

  • e-ISSN

  • Volume of the periodical

    678

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

  • UT code for WoS article

    255438800056

  • EID of the result in the Scopus database