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Title:
Swift/XRT localisation of XTE J1855-026
Authors:
Romano, P.; Mereghetti, S.; Sidoli, L.; Evans, P. A.
Publication:
The Astronomer's Telegram, #1875
Publication Date:
12/2008
Origin:
ATEL
Keywords:
X-ray, Binaries, Transients
Bibliographic Code:
2008ATel.1875....1R

Abstract

The X-ray source XTE J1855-026 was observed by Swift/XRT on 2008-11-19 from 01:18 to 17:33 UT for a total of 9.5 ks onsource. The source was detected with a count rate of CR=(0.51+/-0.01) counts s^-1. Pulsations at P=359.7+/-0.3 s were clearly detected. The spectrum (~3100 counts) was fit in the 0.3-10 keV energy range with an absorbed power-law model yielding a photon index of 1.06(-0.15+0.16) and a column density NH=(4.1+/-0.5)E22 cm^-2, in excess of the Galactic one (0.68E22 cm^-2).
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Database: Astronomy
Physics
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