SIMBAD references

2013ApJ...777L...9C - Astrophys. J., 777, L9 (2013/November-1)

The hard X-ray behavior of Aql X-1 during Type-I bursts.

CHEN Y.-P., ZHANG S., ZHANG S.-N., JI L., TORRES D.F., KRETSCHMAR P., LI J. and WANG J.-M.

Abstract (from CDS):

We report the discovery of an anti-correlation between the soft and hard X-ray light curves of the X-ray binary Aql X-1 when bursting. This behavior may indicate that the corona is cooled by the soft X-ray shower fed by the type-I X-ray bursts, and that this process happens within a few seconds. Stacking the Aql X-1 light curves of type-I bursts, we find a shortage in the 40-50 keV band, delayed by 4.5±1.4 s with respect to the soft X-rays. The photospheric radius expansion bursts are different in that neither a shortage nor an excess shows up in the hard X-ray light curve.

Abstract Copyright:

Journal keyword(s): stars: coronae - stars: neutron - X-rays: binaries - X-rays: bursts - X-rays: individual: Aql X-1

Simbad objects: 4

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2023.01.28-02:12:20

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