Document Type
Article
Publication Date
4-15-2022
Abstract
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 detector data from the first six months of the third Advanced LIGO and Virgo observing run using the weave semicoherent 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.
Journal Title
Physical Review D
Volume
105
Issue
8
First Page
082005
DOI
https://doi.org/10.1103/PhysRevD.105.082005
First Department
Physics
Recommended Citation
LIGO Scientific Collaboration; Virgo Collaboration; and Summerscales, Tiffany Z., "Search of the early O3 LIGO data for continuous gravitational waves from the Cassiopeia A and Vela Jr. supernova remnants" (2022). Faculty Publications. 4252.
https://digitalcommons.andrews.edu/pubs/4252
Acknowledgements
Post-print version retrieved July 26. 2022 from https://arxiv.org/pdf/2111.15116.pdf