| Issue |
A&A
Volume 382, Number 1, JanuaryIV 2002
|
|
|---|---|---|
| Page(s) | 174 - 177 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361:20011591 | |
| Published online | 15 January 2002 | |
A four-hours long burst from Serpens X–1
1
SRON National Institute for Space Research, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands
2
Astronomical Institute, Utrecht University, PO Box 80000, 3508 TA Utrecht, The Netherlands
Corresponding author: R. Cornelisse, R.Cornelisse@sron.nl
Received:
4
September
2001
Accepted:
8
November
2001
During a serendipitous observation of the
BeppoSAX Wide Field Cameras, a very long type I X-ray
burst was observed from the low mass X-ray binary Serpens
X–1. The burst lasted for approximately 4 hours and had an
exponential decay time of 
min (2–28 keV). The
bolometric peak-luminosity is (
and the fluence (
erg. The first
“normal" type I burst was observed 34 days after
the superburst. This is in rough agreement with recent predictions
for unstable carbon burning in a heavy element ocean.
Key words: accretion, accretion disks / binaries: close / stars: individual: Serpens X–1 / stars: neutron / X-rays: bursts
© ESO, 2002
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