S190421ar




Superevent Information

Superevent ID S190421ar
Category Production
FAR (Hz) 1.489e-08
FAR (yr-1) 1 per 2.1285 years
t0 1239917954.41
tend 1239917955.41
Links Data


Event Information

Group CBC
Pipeline pycbc
Search AllSky
Instruments H1,L1
FAR (Hz) 1.489e-08


Per-Pipeline Event Information

UID Group Pipeline Search gpstime FAR (Hz)

Log Messages


Use buttons to expand/collapse log sections.

Sky Localization

Log Image

GWTC-2 skymap volume rendering
Submitted by Deep Chatterjee on October 27, 2020 16:41:28 UTC
Log Image

GWTC-2 skymap png
Submitted by Deep Chatterjee on October 27, 2020 16:41:27 UTC
Log Image

Volume rendering of LALInference.fits
Submitted by LIGO/Virgo EM Follow-Up on May 3, 2019 14:35:08 UTC
Log Image

Mollweide projection of LALInference.fits
Submitted by LIGO/Virgo EM Follow-Up on May 3, 2019 14:34:55 UTC
Log Image

Volume rendering of bayestar.fits
Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:21 UTC
Log Image

Mollweide projection of bayestar.fits
Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:09 UTC
Log Comment

GWTC-2 flattened publication skymap file (GW190421_213856_PublicationSamples_flattened.fits.gz)


Submitted by Deep Chatterjee on October 27, 2020 16:41:26 UTC
Log Comment

GWTC-2 multiorder publication skymap file (GW190421_213856_PublicationSamples.multiorder.fits)


Submitted by Deep Chatterjee on October 27, 2020 16:41:22 UTC
Log Comment

Flattened from multiresolution file LALInference.fits (LALInference.fits.gz)


Submitted by LIGO/Virgo EM Follow-Up on May 3, 2019 14:35:43 UTC
Log Comment

FITS headers for LALInference.fits (LALInference.html)


Submitted by LIGO/Virgo EM Follow-Up on May 3, 2019 14:34:52 UTC
Log Comment

LALInference localization completed by Hong Qi and Colm Talbot (LALInference.fits)


Submitted by Leo Singer on May 3, 2019 14:29:30 UTC
Log Comment

Flattened from multiresolution file bayestar.fits (bayestar.fits.gz)


Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:09 UTC
Log Comment

Localization copied from G330308 (bayestar.fits)


Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:06 UTC
Log Comment

FITS headers for bayestar.fits (bayestar.html)


Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:06 UTC

EM Followup

Log Image

Source classification visualization from p_astro.json
Submitted by LIGO/Virgo EM Follow-Up on May 3, 2019 15:28:00 UTC
Log Image

Source classification visualization from p_astro.json
Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:17 UTC
Log Comment

New VOEvent (S190421ar-3-Update.xml)


Submitted by LIGO/Virgo EM Follow-Up on May 3, 2019 15:31:27 UTC
Log Comment

Updated source classification based on new reviewed code. (p_astro.json)


Submitted by Leo Singer on May 3, 2019 15:27:59 UTC
Log Comment

New VOEvent (S190421ar-2-Initial.xml)


Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 17:33:01 UTC
Log Comment

New VOEvent (S190421ar-1-Preliminary.xml)


Submitted by LIGO/Virgo EM Follow-Up on April 22, 2019 16:26:19 UTC

Parameter Estimation

Log Comment

LALInference localization completed by Hong Qi and Colm Talbot (LALInference.fits)


Submitted by Leo Singer on May 3, 2019 14:29:30 UTC

Full Event Log


No. Submitter Comment
1456 LIGO/Virgo EM Follow-Up GWOSC link for event GW190421_213856 lvem public
1446 Deep Chatterjee GWTC-2 skymap volume rendering (GW190421_213856_PublicationSamples.volume.png) sky_loc lvem public
1444 Deep Chatterjee GWTC-2 skymap png (GW190421_213856_PublicationSamples.png) sky_loc lvem public
1442 Deep Chatterjee GWTC-2 flattened publication skymap file (GW190421_213856_PublicationSamples_flattened.fits.gz) sky_loc lvem public
1440 Deep Chatterjee GWTC-2 multiorder publication skymap file (GW190421_213856_PublicationSamples.multiorder.fits) sky_loc lvem public
408 LIGO/Virgo EM Follow-Up New VOEvent (S190421ar-3-Update.xml) em_follow lvem public gcn_received
396 LIGO/Virgo EM Follow-Up Source classification visualization from p_astro.json (p_astro.png) em_follow lvem public p_astro
394 Leo Singer Updated source classification based on new reviewed code. (p_astro.json) em_follow lvem public p_astro
390 LIGO/Virgo EM Follow-Up Flattened from multiresolution file LALInference.fits (LALInference.fits.gz) sky_loc lvem public
386 LIGO/Virgo EM Follow-Up Volume rendering of LALInference.fits (LALInference.volume.png) sky_loc lvem public
382 LIGO/Virgo EM Follow-Up Mollweide projection of LALInference.fits (LALInference.png) sky_loc lvem public
378 LIGO/Virgo EM Follow-Up FITS headers for LALInference.fits (LALInference.html) sky_loc lvem public
371 Leo Singer LALInference localization completed by Hong Qi and Colm Talbot (LALInference.fits) sky_loc pe lvem public
342 LIGO/Virgo EM Follow-Up New VOEvent (S190421ar-2-Initial.xml) em_follow lvem public gcn_received
296 LIGO/Virgo EM Follow-Up Volume rendering of bayestar.fits (bayestar.volume.png) sky_loc lvem public
292 LIGO/Virgo EM Follow-Up New VOEvent (S190421ar-1-Preliminary.xml) em_follow lvem public gcn_received
287 LIGO/Virgo EM Follow-Up Source classification visualization from p_astro.json (p_astro.png) em_follow lvem public p_astro
279 LIGO/Virgo EM Follow-Up Source classification copied from G330308 (p_astro.json) lvem public p_astro
277 LIGO/Virgo EM Follow-Up Source properties copied from G330308 (em_bright.json) lvem public em_bright
272 LIGO/Virgo EM Follow-Up Flattened from multiresolution file bayestar.fits (bayestar.fits.gz) sky_loc lvem public
268 LIGO/Virgo EM Follow-Up Mollweide projection of bayestar.fits (bayestar.png) sky_loc lvem public
264 LIGO/Virgo EM Follow-Up Localization copied from G330308 (bayestar.fits) sky_loc lvem public
260 LIGO/Virgo EM Follow-Up FITS headers for bayestar.fits (bayestar.html) sky_loc lvem public
52 LIGO/Virgo EM Follow-Up Source properties copied from G330298 (em_bright.json) lvem public em_bright