D 2007

QPOS and resonance in accretion disks

ABRAMOWICZ, Marek and Gabriel TÖRÖK

Basic information

Original name

QPOS and resonance in accretion disks

Authors

Edition

Mexico, REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, SERIE DE CONFERENCIAS, 7 pp. 2007

Publisher

UNIVERSIDAD NACIONAL AUTONOMA MEXICO INSTITUTO ASTRONOMIA, APARTADO POSTAL 70-264, MEXICO CITY 04510, MEXICO

Other information

Language

English

Type of outcome

Stať ve sborníku

Field of Study

10308 Astronomy

Confidentiality degree

není předmětem státního či obchodního tajemství

Organization unit

Faculty of Philosophy and Science in Opava

ISBN

978-970-32-2805-8

ISSN

Keywords in English

accretion, accretion disks, black hole physics, hydrodynamics, neutron stars

Tags

Tags

International impact

Links

MSM4781305903, plan (intention).
Změněno: 3/12/2020 13:56, Mgr. Pavlína Jalůvková

Abstract

V originále

We review arguments suggesting that millisecond variability detected in the X-ray flux of LMXBs has its origin in oscillation modes of the accretion disk. The twin high-frequency QPOs observed in microquasars seem to be related to the twin kHz QPOs in neutron-star systems, and both phenomena are likely the result of a non-linear resonance in the accretion disk that is possible only in strong-field gravity. A presumed 3:2 eigenfrequency ratio of the resonant modes corresponds to the 3:2 QPO frequency ratio clearly detected in black-hole systems, as well as to the more complex distribution of kHz QPO frequency pairs in neutron stars.