GW190814

GW190814
Time–frequency representations (Chatterji et al. 2004) of data containing GW190814, observed by LIGO Hanford (top), LIGO Livingston (middle), and Virgo (bottom). Times are shown relative to 2019 August 14, 21:10:39 UTC. Each detector's data are whitened by their respective noise amplitude spectral density and a Q-transform is calculated. The colorbar displays the normalized energy reported by the Q-transform at each frequency. These plots are not used in our detection procedure and are for visualization purposes only.
Gravitational wave
Date21:10:39 UTC
InstrumentLIGO, Virgo[1][2]
Right ascension03h 33m
Declination04h 45m
EpochJ2000.0
Distance241 megaparsecs (790 Mly)[1]
Other designationsGW190814
  Related media on Commons
[edit on Wikidata]

GW 190814 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 14 August 2019 at 21:10:39 UTC,[2] and having a signal-to-noise ratio of 25 in the three-detector network.[1] The signal was associated with the astronomical super event S190814bv, located 790 million light years away, in location area 18.5 deg2[n 1][1][3][4] towards Cetus or Sculptor.[5][6][7][8][9][10] No optical counterpart was discovered despite an extensive search of the probability region.[11]

  1. ^ a b c d Cite error: The named reference AJL-20200623 was invoked but never defined (see the help page).
  2. ^ a b Staff (2020). "GW190814 Factsheet - Lowest mass ratio to date - Strongest evidence of higher order modes" (PDF). LIGO. Retrieved 26 June 2020.
  3. ^ Greco, G.; et al. (2020). "Handling gravitational-wave sky maps for EM-followUP observations - Second ASTERICS Virtual Observatory School" (PDF). Asterics2020.eu. Retrieved 27 June 2020.
  4. ^ Berry, Christopher (10 August 2018). "Sky-localization of Gravitational wave observations". CplBerry.com. Retrieved 27 June 2020.
  5. ^ Staff (14 June 2019). "GraceDB - Gravitational-Wave Candidate Event Database - Superevent Info". LIGO. Retrieved 27 June 2020.
  6. ^ Staff (23 June 2020). "Black hole or neutron star? - LIGO-Virgo scientists find mystery object in 'mass gap'". Pennsylvania State University. Retrieved 24 June 2020.
  7. ^ Starr, Michelle (16 August 2019). "Early Reports Indicate We May Have Detected a Black Hole And Neutron Star Collision". ScienceAlert.com. Retrieved 16 August 2019.
  8. ^ Mandelbum, Ryan F. (26 August 2019). "Mystery Deepens Around Newly Detected Ripples in Space-Time". Gizmodo. Retrieved 26 August 2019.
  9. ^ Starr, Michelle (11 February 2020). "First Papers on The Black Hole-Neutron Star Merger Are In. Here's What We Didn't See". ScienceAlert.com. Retrieved 11 February 2020.
  10. ^ Ackley, K.; et al. (5 February 2020). "Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger S190814bv". arXiv:2002.01950v1 [astro-ph.SR].
  11. ^ Staff (25 June 2020). "GW190814 Sheds Light on Mass Gap between Neutron Stars and Black Holes". Sci-News.com. Retrieved 26 June 2020.


Cite error: There are <ref group=n> tags on this page, but the references will not show without a {{reflist|group=n}} template (see the help page).