Implications for the Origin of GRB 070201 from LIGO Observations

Details Implications for the Origin of GRB 070201 from LIGO Observations Implications for the Origin of GRB 070201 from LIGO Observations

2007-11-08

arxiv.org/abs/0711.1163v2

Astrophys.J.681:1419-1428,2008

Astronomy and Astrophysics

Astrophysics

10 pages 5 figures 1 table to be submitted to ApJ Changes after GWIC review period: minor corrections, typographical tweaks

Scientific paper

10.1086/587954

We analyzed the available LIGO data coincident with GRB 070201, a short duration hard spectrum gamma-ray burst whose electromagnetically determined sky position is coincident with the spiral arms of the Andromeda galaxy (M31). Possible progenitors of such short hard GRBs include mergers of neutron stars or a neutron star and black hole, or soft gamma-ray repeater (SGR) flares. These events can be accompanied by gravitational-wave emission. No plausible gravitational wave candidates were found within a 180 s long window around the time of GRB 070201. This result implies that a compact binary progenitor of GRB 070201, with masses in the range 1 M_sun < m_1 < 3 M_sun and 1 M_sun < m_2 < 40 M_sun, located in M31 is excluded at >99% confidence. Indeed, if GRB 070201 were caused by a binary neutron star merger, we find that D < 3.5 Mpc is excluded, assuming random inclination, at 90% confidence. The result also implies that an unmodeled gravitational wave burst from GRB 070201 most probably emitted less than 4.4 x 10^(-4) M_sun c^2 (7.9 x 10^(50) ergs) in any 100 ms long period within the signal region if the source was in M31 and radiated isotropically at the same frequency as LIGO's peak sensitivity (f ~ 150 Hz). This upper limit does not exclude current models of SGRs at the M31 distance.

Affiliated with

Also associated with

No associations

Rating

Implications for the Origin of GRB 070201 from LIGO Observations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Implications for the Origin of GRB 070201 from LIGO Observations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Implications for the Origin of GRB 070201 from LIGO Observations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-377235