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@inproceedings{42065, author = {Bakala, Pavel and Stuchlík, Zdeněk and Török, Gabriel}, address = {Opava}, booktitle = {Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars}, keywords = {X-rays, binaries, neutron stars, accretion discs}, language = {eng}, location = {Opava}, isbn = {978-80-7248-419-5}, pages = {501-510}, publisher = {Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky}, title = {On mutual relation of kHz QPOs}, year = {2007} }
TY - JOUR ID - 42065 AU - Bakala, Pavel - Stuchlík, Zdeněk - Török, Gabriel PY - 2007 TI - On mutual relation of kHz QPOs PB - Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky CY - Opava SN - 9788072484195 KW - X-rays, binaries, neutron stars, accretion discs N2 - In this note we report on the recent analysis of occurrences and properties of kHz QPOs in the source 4U 1636-53. We find a prominent frequency (or a narrow frequency region) that separates upper and lower QPO observations. The two QPO modes are then simultaneously detected mainly in the vicinity of this transition points. We show that this can be understood in terms of correlations of QPO properties with frequency, such as quality factor and rms amplitude. We find that rms amplitudes and quality factors of both QPOs nearly equal at the transition point. In addition, the QPO frequencies are nearly commensurable there. ER -
BAKALA, Pavel, Zdeněk STUCHLÍK and Gabriel TÖRÖK. On mutual relation of kHz QPOs. In \textit{Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars}. Opava: Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky, 2007, p.~501-510, 9 pp. ISBN~978-80-7248-419-5.
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