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A superburst from GX 3+1 | | Erik Kuulkers
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20 Dec 2001 | | Subject: | astro-ph | | Affiliation: | SRON, Utrecht University | | Abstract: | I found one long X-ray flare from the X-ray burster GX 3+1 in almost 6 years of observations with the RXTE All Sky Monitor (ASM). The event had a peak flux of about 1.1 Crab (1.5-12 keV), lasted between 4.4 and 16.2 hours and exhibited a fluence of more than about 5x10^{41} erg for a source distance of 5 kpc. During the exponential-like decay, with an exponential decay time of 1.6 hours, spectral softening is seen. The total ASM effective exposure time on GX 3+1 is estimated to be around a year. The flare bears all the characteristics of the recently discovered so-called superbursts in other X-ray burst sources. | | Source: | arXiv, astro-ph/0112481 | | Services: | Forum | Review | PDF | Favorites | |
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