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@article{43583,
author = {Abramowicz, Marek and Rebusco, P.},
article_location = {FR - Francouzská republika},
article_number = {APR 2012},
doi = {http://dx.doi.org/10.1051/0004-6361/201218883},
keywords = {Accretion; Accretion disks; Black hole physics; X-rays: binaries},
language = {eng},
issn = {0004-6361},
journal = {Astronomy & Astrophysics},
title = {Period doubling and non-linear resonance in the black hole candidate IGR J17091-3624?},
url = {https://www.aanda.org/index.php?option=com_article&access=doi&doi=10.1051/0004-6361/201218883&Itemid=129},
volume = {540},
year = {2012}
}
TY - JOUR
ID - 43583
AU - Abramowicz, Marek - Rebusco, P.
PY - 2012
TI - Period doubling and non-linear resonance in the black hole candidate IGR J17091-3624?
JF - Astronomy & Astrophysics
VL - 540
IS - APR 2012
SN - 00046361
KW - Accretion
KW - Accretion disks
KW - Black hole physics
KW - X-rays: binaries
UR - https://www.aanda.org/index.php?option=com_article&access=doi&doi=10.1051/0004-6361/201218883&Itemid=129
N2 - The two high frequency quasi periodic oscillations (HFQPOs) recently reported in the black hole candidate IGR J17091-3624 are in a 5:2 frequency ratio (164 Hz to 66 Hz). This ratio is strongly suggestive of period doubling and nonlinear resonance analogous to phenomena known in RV Tauri-type pulsating stars (and recently discovered also in oscillations of RR Lyrae-type and of BL Herculis-type variables). An interpretation of the frequency ratio in terms of nonlinear interactions and a comparison with the HFQPOs reported in GRS 1915+105 may imply a mass of about six solar masses for the black hole in IGR J17091-3624.
ER -
ABRAMOWICZ, Marek a P. REBUSCO. Period doubling and non-linear resonance in the black hole candidate IGR J17091-3624? \textit{Astronomy \&{} Astrophysics}. FR - Francouzská republika, 2012, roč.~540, APR 2012, 3 s. ISSN~0004-6361. Dostupné z: https://dx.doi.org/10.1051/0004-6361/201218883.
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