D
2007
Modelling the twin peak QPO distribution in the atoll source 4U 1636-53
BAKALA, Pavel, Zdeněk STUCHLÍK and Gabriel TÖRÖK
Basic information
Original name
Modelling the twin peak QPO distribution in the atoll source 4U 1636-53
Edition
Opava, Proceedings of RAGtime 8/9: Workshops on black holes and neutron stars, p. 479-499, 20 pp. 2007
Publisher
Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky
Other information
Type of outcome
Stať ve sborníku
Field of Study
10308 Astronomy
Country of publisher
Czech Republic
Confidentiality degree
není předmětem státního či obchodního tajemství
Organization unit
Faculty of Philosophy and Science in Opava
Keywords in English
X-rays, binaries, accretion discs, neutron stars
Tags
International impact
Links
LC06014, research and development project. MSM4781305903, plan (intention).
V originále
Relation between the lower and upper frequency mode of twin peak quasiperiodic oscilations observed in neutron star X-ray binaries is qualitatively well fitted by the frequency relation following from the relativistic precession model. We compare the expected and observed twin peak QPO distribution in the case of atoll source 4U 1636-53. We find these two distributions highly incompatible.We also find that the observed distribution roughly corresponds to the expected one if an additional consideration of preferred resonant orbits is included. We notice that our findings are relevant for some disc-oscillation QPO models as well.
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