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2017 Fiscal Year Annual Research Report

Low-Latency Compact Object Searches with LIGO, Virgo and KAGRA in O2 and O3

Research Project

Project/Area Number 16H06714
Research InstitutionThe University of Tokyo

Principal Investigator

カンノン キップ  東京大学, 大学院理学系研究科(理学部), 准教授 (50777886)

Project Period (FY) 2016-08-26 – 2018-03-31
Keywordsgravitational wave / black hole / neutron star / LIGO / Virgo
Outline of Annual Research Achievements

During the 2018 fiscal year, the final objective of this project was achieved. The GstLAL gravitational‐wave signal detection system was generalized to include support for the KAGRA detector. This required the development of a novel approximation scheme for assessing the consistency of a potential gravitational-wave signal observed by multiple detectors, by comparing the amplitude, arrival time, and phase with which the signal is observed by each of the detectors in the network. This work is described in the paper arXiv:1901:02227, which is currently undergoing peer review. During the 2018 fiscal year, the technique described in that paper was implemented in the GstLAL gravitational-wave detection software system and the new system was deployed for Advanced LIGO and Advanced Virgo's third observation run, "O3". It is anticipated that Japan's KAGRA detector located in the Kamioka Mountain will join the O3 observation run later this fiscal year, and when it does, thanks to the work supported by this project, the GstLAL detection system will be ready to process its data and discover new gravitational‐wave signals with KAGRA.

Research Progress Status

平成29年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

平成29年度が最終年度であるため、記入しない。

  • Research Products

    (1 results)

All 2019

All Journal Article (1 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Fast evaluation of multi-detector consistency for real-time gravitational wave searches2019

    • Author(s)
      Chad Hanna, et al.
    • Journal Title

      arXiv:1901.02227

      Volume: Printing Pages: Printing

    • Int'l Joint Research

URL: 

Published: 2019-12-27  

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