X-RAY HALOS AS TRACERS OF THE DISTANCE OF THE GAMMA-RAY BURSTERS

Authors
KLOSE S
Citation
S. Klose, X-RAY HALOS AS TRACERS OF THE DISTANCE OF THE GAMMA-RAY BURSTERS, The Astrophysical journal, 423(1), 1994, pp. 120000023-120000026
Citations number
34
Categorie Soggetti
Astronomy & Astrophysics
Journal title
The Astrophysical journal → ACNP
ISSN journal
0004637X
Volume
423
Issue
1
Year of publication
1994
Part
2
Pages
120000023 - 120000026
Database
ISI
SICI code
0004-637X(1994)423:1<120000023:XHATOT>2.0.ZU;2-L
Abstract
Paczynski has recently noted that gamma-ray bursts (GRBs) should be su rrounded by transient X-ray halos due to the scattering of the X-rays at the interstellar dust grains, if they are of extragalactic origin. Based on an estimate of the peak gamma ray to peak X-ray flux of the G RBs by Yoshida et al.,we fmd that the brightest bursts with fluxes F(g amma) greater than or similar to 10(-4) ergs s-1 cm-2 could produce tr ansient halos at E almost-equal-to 1 keV with intensities well above t he X-ray background intensity.