Speaker
Dr
Yu Peng Chen
(ihep)
Description
Taking advantage of the type-I X-ray bursts from the hard surface of a NS of the NS XRB Aql X-1 to probe the purported corona, we found, during the bursts, a clear anti-correlation between the soft and the hard X-rays, which indicates an additional cooling of the corona with the soft X-ray shower fed by the bursts. The phenomenon was also found in IGR J17473-2721, 4U 1636-536 and 4U 1608-522. The time delay between the burst emission and corona emission are different each other, but the time delay are all within 5 seconds. The similarity and difference may be understood that the corona have same mechanism but behave different structure or scale
along with the outbursts evolutions.
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The phenomenon was also found in IGR J17473-2721, 4U 1636-536 (Ji et al. 2012) and 4U 1608-522 (Chen et al. 2012a). The time delay between the burst emission and corona emission are different each other, but the time delay are all within 5 seconds. The
similarity and difference may be understood that the corona have same mechanism but behave different structure or scale along with the outbursts evolutions.
Primary author
Dr
Yu Peng Chen
(ihep)
