Multiple evolving peaks in the power density spectrum and the spectral transition were detected in IGR J17091-3624

Details Multiple evolving peaks in the power density spectrum and the spectral transition were detected in IGR J17091-3624 Multiple evolving peaks in the power density spectrum and the spectral transition were detected in IGR J17091-3624

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3266....1p&link_type=abstract

The Astronomer's Telegram, #3266

Astronomy and Astrophysics

Astronomy

1

X-Ray, Binary, Black Hole, Transient

Scientific paper

The recent RXTE/PCA observations of the heartbeat oscillation class (HOC)(ATel #3230) in the black hole X-ray binary source IGR J17091-3624 (ATel #3144, #3159, #3167, #3203) showed a variable and highly evolved power density spectrum (PDS) with multiple peaks. Analyzing the PCA data, we found that this class (HOC), which showed similar lightcurve with the 'rho' class of GRS 1915+105 (ATel #3230) appeared to evolve with time and last longer than the usual 'rho' class.

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