Probing the nature of short swift bursts via deep INTEGRAL monitoring of GRB 050925

T. Sakamoto, L. Barbier, S. D. Barthelmy, J. R. Cummings, E. E. Fenimore, N. Gehrels, H. A. Krimm, C. B. Markwardt, D. M. Palmer, A. M. Parsons, G. Sato, M. Stamatikos, J. Tueller

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We present results from Swift, XMM-Newton, and deep INTEGRAL monitoring in the region of GRB 050925. This short Swift burst is a candidate for a newly discovered soft gamma-ray repeater (SGR) with the following observational burst properties: (1) galactic plane (b = -0.1°) localization, (2) 150 ms duration, and (3) a blackbody rather than a simple power-law spectral shape (with a significance level of 97%). We found two possible X-ray counterparts of GRB 050925 by comparing the X-ray images from Swift XRT and XMM-Newton. Both X-ray sources show the transient behavior with a power-law decay index shallower than -1. We found no hard X-ray emission nor any additional burst from the location of GRB 050925 in ∼5 ms of INTEGRAL data. We discuss about the three BATSE short bursts which might be associated with GRB 050925, based on their location and the duration. Assuming GRB 050925 is associated with the H II regions (W 58) at the galactic longitude of l = 70°, we also discuss the source frame properties of GRB 050925.

Original languageEnglish
Pages (from-to)1346-1352
Number of pages7
JournalAdvances in Space Research
Volume47
Issue number8
DOIs
Publication statusPublished - 2011 Apr 15

Fingerprint

bursts
X rays
Monitoring
monitoring
XMM-Newton telescope
newton
power law
x rays
repeaters
Telecommunication repeaters
H II regions
longitude
Gamma rays
gamma rays
decay

Keywords

  • Burst
  • Gamma-ray

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

Cite this

Sakamoto, T., Barbier, L., Barthelmy, S. D., Cummings, J. R., Fenimore, E. E., Gehrels, N., ... Tueller, J. (2011). Probing the nature of short swift bursts via deep INTEGRAL monitoring of GRB 050925. Advances in Space Research, 47(8), 1346-1352. https://doi.org/10.1016/j.asr.2010.08.004

Probing the nature of short swift bursts via deep INTEGRAL monitoring of GRB 050925. / Sakamoto, T.; Barbier, L.; Barthelmy, S. D.; Cummings, J. R.; Fenimore, E. E.; Gehrels, N.; Krimm, H. A.; Markwardt, C. B.; Palmer, D. M.; Parsons, A. M.; Sato, G.; Stamatikos, M.; Tueller, J.

In: Advances in Space Research, Vol. 47, No. 8, 15.04.2011, p. 1346-1352.

Research output: Contribution to journalArticle

Sakamoto, T, Barbier, L, Barthelmy, SD, Cummings, JR, Fenimore, EE, Gehrels, N, Krimm, HA, Markwardt, CB, Palmer, DM, Parsons, AM, Sato, G, Stamatikos, M & Tueller, J 2011, 'Probing the nature of short swift bursts via deep INTEGRAL monitoring of GRB 050925', Advances in Space Research, vol. 47, no. 8, pp. 1346-1352. https://doi.org/10.1016/j.asr.2010.08.004
Sakamoto T, Barbier L, Barthelmy SD, Cummings JR, Fenimore EE, Gehrels N et al. Probing the nature of short swift bursts via deep INTEGRAL monitoring of GRB 050925. Advances in Space Research. 2011 Apr 15;47(8):1346-1352. https://doi.org/10.1016/j.asr.2010.08.004
Sakamoto, T. ; Barbier, L. ; Barthelmy, S. D. ; Cummings, J. R. ; Fenimore, E. E. ; Gehrels, N. ; Krimm, H. A. ; Markwardt, C. B. ; Palmer, D. M. ; Parsons, A. M. ; Sato, G. ; Stamatikos, M. ; Tueller, J. / Probing the nature of short swift bursts via deep INTEGRAL monitoring of GRB 050925. In: Advances in Space Research. 2011 ; Vol. 47, No. 8. pp. 1346-1352.
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