IGR J17091-3624 undergoes 'heartbeat' oscillations similar to those of GRS 1915+105

Details IGR J17091-3624 undergoes 'heartbeat' oscillations similar to those of GRS 1915+105 IGR J17091-3624 undergoes 'heartbeat' oscillations similar to those of GRS 1915+105

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3230....1a&link_type=abstract

The Astronomer's Telegram, #3230

Astronomy and Astrophysics

Astronomy

4

X-Ray, Request For Observations, Binary, Black Hole, Transient

Scientific paper

We report on the follow up observations after the report of ~10 mHz quasi-periodic oscillations (QPO -- ATel #3225) in the X-ray light curve of the ongoing outburst of the black hole candidate IGR J17091-3624 (ATel #3144, #3159, #3167, #3203) RXTE/PCA observations performed on March 19th and March 22nd, 2011, show a continuous progression of flare-like events which occur very regularly in a quasi-periodic manner at a rate between 25 and 30 mHz.

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