GstLAL: A software framework for gravitational wave discovery

Authors:
  • KCKipp Cannon
    Kipp Cannon
  • SCSarah Caudill
    Sarah Caudill
  • CCChiwai Chan
    Chiwai Chan
  • BCBryce Cousins
    Bryce Cousins
  • JCJolien D. E. Creighton
    Jolien D. E. Creighton
  • BEBecca Ewing
    Becca Ewing
  • HFHeather Fong
    Heather Fong
  • PGPatrick Godwin
    Patrick Godwin
  • CHChad Hanna
    Chad Hanna
  • SHShaun Hooper
    Shaun Hooper
  • RHRachael Huxford
    Rachael Huxford
  • RMRyan Magee
    Ryan Magee
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Abstract
The GstLAL library, derived from Gstreamer and the LIGO Algorithm Library, supports a stream-based approach to gravitational-wave data processing. Although GstLAL was primarily designed to search for gravitational-wave signatures of merging black holes and neutron stars, it has also contributed to other gravitational-wave searches, data calibration, and detector-characterization efforts. GstLAL has played an integral role in all of the LIGO-Virgo collaboration detections, and its low-latency configuration has enabled rapid electromagnetic follow-up for dozens of compact binary candidates.
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