Search for gravitational waves associated with the gamma ray burst GRB030329 using the LIGO detectors

LIGO Scientific Collaboration

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

We have performed a search for bursts of gravitational waves associated with the very bright gamma ray burst GRB030329, using the two detectors at the LIGO Hanford Observatory. Our search covered the most sensitive frequency range of the LIGO detectors (approximately 80--2048 Hz), and we specifically targeted signals shorter than similar or equal to 150 ms. Our search algorithm looks for excess correlated power between the two interferometers and thus makes minimal assumptions about the gravitational waveform. We observed no candidates with gravitational-wave signal strength larger than a predetermined threshold. We report frequency-dependent upper limits on the strength of the gravitational waves associated with GRB030329. Near the most sensitive frequency region, around similar or equal to 250 Hz, our root-sum-square (RSS) gravitational-wave strain sensitivity for optimally polarized bursts was better than h(RSS)similar or equal to 6x10(-21) Hz(-1/2). Our result is comparable to the best published results searching for association between gravitational waves and gamma ray bursts.
Original languageEnglish
Article number042002
Number of pages17
JournalPhysical Review D
Volume72
Issue number4
DOIs
Publication statusPublished - 1 Aug 2005
Externally publishedYes

Keywords

  • CORE-COLLAPSE
  • OPTICAL AFTERGLOW
  • UNUSUAL SUPERNOVA
  • EXPLORER
  • GRB-030329
  • EMISSION
  • DYNAMICS
  • SIGNAL
  • CURVE
  • STARS

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