Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 26756

Subject
LIGO/Virgo trigger S200115j: Possible host galaxies
Date
2020-01-15T05:08:14Z (4 years ago)
From
Phil Evans at U of Leicester <pae9@leicester.ac.uk>
P.A. Evans (U. Leicester) reports,

The bayestar.fits.gz,0 GW skymap has been convolved with the 2MPZ galaxy catalogue (Bilicki et al., ApJS, 210, 9),
using the method described in Evans et al (2016, MNRAS, 462, 1591*), to identify
a ranked list of potential host galaxies of the LVC trigger S200115j. This galaxy ranking
method accounts for the (line-of-sight dependent) completeness of 2MPZ, GW probability, 
and the overlap between P(D) functions for the GW event and the individual galaxies.

In total 9105 galaxies with P>10^-5 have been identified. The most probable 20 are listed below,
a full list and more details are available at: https://www.swift.ac.uk/LVC/S200115j/galaxies

|               Galaxy name |   P_host |             RA |            Dec | K_abs |      GalDist |
--------------------------------------------------------------------------------------------------
|    2MPZ J02594896+0334138 | 3.14e-03 | 02h 59m 48.96s | +03d 34' 13.8" | 10.7 | 299.5 +/- 7.4 |
|    2MPZ J03024884+0351494 | 1.84e-03 | 03h 02m 48.84s | +03d 51' 49.5" | 11.1 | 317.7 +/- 7.4 |
|    2MPZ J02595945+0322468 | 1.70e-03 | 02h 59m 59.45s | +03d 22' 46.8" | 11.3 | 300.5 +/- 7.4 |
|    2MPZ J19502998-5030374 | 1.52e-03 | 19h 50m 30.00s | -50d 30' 37.4" | 11.7 | 416.8 +/- 7.4 |
|    2MPZ J02543798+0056218 | 1.50e-03 | 02h 54m 37.99s | +00d 56' 21.8" | 11.6 | 300.4 +/- 7.4 |
|    2MPZ J02541454+0101446 | 1.34e-03 | 02h 54m 14.54s | +01d 01' 44.6" | 11.8 | 303.9 +/- 7.4 |
|    2MPZ J19492167-5045558 | 1.17e-03 | 19h 49m 21.60s | -50d 45' 55.8" | 12.0 | 418.5 +/- 7.4 |
|    2MPZ J02414023-0254238 | 1.05e-03 | 02h 41m 40.25s | -02d 54' 23.9" | 11.7 | 303.7 +/- 7.4 |
|    2MPZ J02511474-0019452 | 9.91e-04 | 02h 51m 14.76s | -00d 19' 45.3" | 12.1 | 301.4 +/- 7.4 |
|    2MPZ J02411531-0547234 | 9.89e-04 | 02h 41m 15.31s | -05d 47' 23.5" | 11.4 | 320.3 +/- 7.4 |
|    2MPZ J02523222-0002526 | 9.79e-04 | 02h 52m 32.23s | -00d 02' 52.6" | 12.0 | 324.3 +/- 7.4 |
|    2MPZ J19512421-5024363 | 8.64e-04 | 19h 51m 24.24s | -50d 24' 36.4" | 11.5 | 297.1 +/- 7.4 |
|    2MPZ J19551231-5110295 | 8.62e-04 | 19h 55m 12.24s | -51d 10' 29.6" | 12.4 | 426.3 +/- 7.4 |
|    2MPZ J19530336-5202132 | 8.55e-04 |  19h 53m 3.36s | -52d 02' 13.2" | 11.7 | 309.7 +/- 63.2 |
|    2MPZ J02555367+0051381 | 8.38e-04 | 02h 55m 53.69s | +00d 51' 38.1" | 12.1 | 300.6 +/- 7.4 |
|    2MPZ J02530482+0555431 | 8.17e-04 |  02h 53m 4.82s | +05d 55' 43.1" | 11.5 | 322.7 +/- 7.4 |
|    2MPZ J19521735-5159465 | 7.85e-04 | 19h 52m 17.28s | -51d 59' 46.7" | 11.6 | 497.2 +/- 7.4 |
|    2MPZ J02592648+0358163 | 7.79e-04 | 02h 59m 26.47s | +03d 58' 16.3" | 12.1 | 319.7 +/- 64.0 |
|    2MPZ J19484858-5148290 | 7.64e-04 | 19h 48m 48.48s | -51d 48' 29.2" | 12.2 | 473.9 +/- 73.8 |
|    2MPZ J19490816-5002317 | 7.45e-04 |  19h 49m 8.16s | -50d 02' 31.9" | 12.2 | 417.0 +/- 7.4 |
--------------------------------------------------------------------------------------------------

(* See also the erratum: MNRAS, 484, 2362; or arXiv 1606.05001 for the full manuscript with erratum applied).
Looking for U.S. government information and services? Visit USA.gov