RXTE observes a transition to the low-hard state in H1743-322

Details RXTE observes a transition to the low-hard state in H1743-322 RXTE observes a transition to the low-hard state in H1743-322

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2857....1s&link_type=abstract

The Astronomer's Telegram, #2857

Astronomy and Astrophysics

Astronomy

X-Ray, Request For Observations, Black Holes, Transients

Scientific paper

The galactic black hole candidate H1743-322 has been in the high soft state since the rise state transition in late August 2010 (Atel #2797). Recent observations of H 1743-322 with RXTE/PCA showed the spectral and variability evolution consistent with the source being in a decay transition from the high soft state back to the low hard state. Beginning on September 16, 2010 10:02 UT the source lightcurve showed quasi-periodic oscillations (QPOs) slowing down from 7 Hz during that observation to 1 Hz during the latest observation on September 21, 2010 13:56 UT.

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