TY - JOUR
T1 - Search of the early O3 LIGO data for continuous gravitational waves from the Cassiopeia A and Vela Jr. supernova remnants
AU - The LIGO Scientific Collaboration
AU - The Virgo Collaboration
AU - Abbott, R
AU - Vecchio, Alberto
AU - Carullo, Gregorio
PY - 2022/4/28
Y1 - 2022/4/28
N2 - We present directed searches for continuous gravitational waves from the neutron stars in the Cassiopeia A (Cas A) and Vela Jr. supernova remnants. We carry out the searches in the LIGO data from the first six months of the third Advanced LIGO and Virgo observing run, using the Weave semi-coherent method, which sums matched-filter detection-statistic values over many time segments spanning the observation period. No gravitational wave signal is detected in the search band of 20-976 Hz for assumed source ages greater than 300 years for Cas A and greater than 700 years for Vela Jr. Estimates from simulated continuous wave signals indicate we achieve the most sensitive results to date across the explored parameter space volume, probing to strain magnitudes as low as ~6.3×10−26 for Cas A and ~5.6×10−26 for Vela Jr. at frequencies near 166 Hz at 95% efficiency.
AB - We present directed searches for continuous gravitational waves from the neutron stars in the Cassiopeia A (Cas A) and Vela Jr. supernova remnants. We carry out the searches in the LIGO data from the first six months of the third Advanced LIGO and Virgo observing run, using the Weave semi-coherent method, which sums matched-filter detection-statistic values over many time segments spanning the observation period. No gravitational wave signal is detected in the search band of 20-976 Hz for assumed source ages greater than 300 years for Cas A and greater than 700 years for Vela Jr. Estimates from simulated continuous wave signals indicate we achieve the most sensitive results to date across the explored parameter space volume, probing to strain magnitudes as low as ~6.3×10−26 for Cas A and ~5.6×10−26 for Vela Jr. at frequencies near 166 Hz at 95% efficiency.
UR - http://www.scopus.com/inward/record.url?scp=85130256965&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.105.082005
DO - 10.1103/PhysRevD.105.082005
M3 - Article
SN - 0556-2821
VL - 105
JO - Physical Review D (Particles, Fields, Gravitation and Cosmology)
JF - Physical Review D (Particles, Fields, Gravitation and Cosmology)
IS - 8
M1 - 082005
ER -