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High-frequency QPO modulation in neutron-star and black-hole sources

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F08%3A00313325" target="_blank" >RIV/67985815:_____/08:00313325 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    High-frequency QPO modulation in neutron-star and black-hole sources

  • Original language description

    After twelve years have past since the discovery of the first high-frequency quasi-periodic oscillation in Sco X-1, an enormous progress has been made on the observational side and on the field of data analysis. Equal amount of effort has been devoted also to the theoretical aspect of the QPO problem. However, so far no model is able to sufficiently fully explain the mechanism of QPO production. There are two aspects: the question of the QPO origin; and the question of its modulation. In this article, Iam focusing solely on the second issue ? I discuss ways of how the outgoing flux can be modulated at a level sufficient to match the observational rms amplitudes. Some more space is devoted to my own work in the field.

  • Czech name

    Modulace HFQPO v neutronových hvězdách a černých dírách

  • Czech description

    Po dvanácti letech od objevu vysokofrekvenčních QPO bylo dosaženo velkého pokroku v pozorováních těchto jevů, zatímco na poli teorie i přes veškeré úsilí nebyla zatím znaha korunována úspěchem a víme stále velmi málo o tom, co tyto jevy způsobuje. Jakýkoli model QPO musí zodpovědět dvě zásadní otázky: jak/kde QPO vznikají a jak je modulováno záření zdroje. Tento článek se zaměřuje výhradně na druhou otázku a shrnuje autorův přínos v této oblasti.

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

    <a href="/en/project/KJB300030703" target="_blank" >KJB300030703: Effects of general relativity on the micro-variability of X-ray sources</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>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

    New Astronomy Reviews

  • ISSN

    1387-6473

  • e-ISSN

  • Volume of the periodical

    51

  • Issue of the periodical within the volume

    10-12

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    9

  • Pages from-to

  • UT code for WoS article

    257236300017

  • EID of the result in the Scopus database