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GCN Circular 21519

Subject
LIGO/Virgo G298048: Nearby Galaxies in the Localization Volume
Date
2017-08-17T20:00:07Z (7 years ago)
From
Mansi M. Kasliwal at Caltech <mansi@astro.caltech.edu>
David O. Cook (Caltech), Angela Van Sistine (UW Milwaukee), Leo Singer
(NASA/GSFC), and M. M. Kasliwal (Caltech)

report on behalf of the GROWTH (Global Relay of Observatories Watching
Transients Happen) collaborations

We spatially cross-matched the LIGO/Virgo G298048 trigger (90% containment
volume using bayestar-HLV.fits; LVC GCN 21513) with our Census of the Local
Universe (CLU; Cook et al. in prep) galaxy catalog and found 54 galaxies.
This catalog is a compilation of galaxies with existing redshifts from many
sources (e.g., NED, SDSS, etc) and new galaxies from a 3PI four-filter
narrow-band survey to look for redshifted Halpha emission out to 200 Mpc
with the Palomar Oschin 48-inch telescope. The narrow-band survey is
limited to a declination above -20 degrees, thus all galaxies within the
90% volume come from the compiled CLU catalog with no Halpha overlap.

We list here all 54 galaxies sorted by stellar mass (Mstar) for galaxies
whose location on the sky and distance falls in the 90% volume reported by
the BAYESTAR probability sky map (Singer et al. 2016). We also list the
dust-corrected star formation rates (SFRs) for galaxies with GALEX FUV
detections and a 'nan' for those with no detection.

In addition, we have cross-matched the CLU catalog with the IceCube source
closest to the LIGO localization (GCN #21511) and found 1 galaxy in the
quoted error circle (ra=182.0 deg; dec=-3.2 deg; radius=0.9 deg) and a
distance less than 50 Mpc. This galaxy in presented at the bottom of the
table below and is marked by '**'.

Finally, we have compared CLU to the GLADE results posted in the GCN #21516
and found that all 15 galaxies reported by GLADE are a subset of our 54
galaxies in the 90% LIGO volume. The matched galaxies are marked by '*'

                 name_NED                    ra      dec    distmpc
logsfr_fuv logmstar dm_kin       P
----------------------------------------- -------- -------- -------
---------- -------- ------ --------------
                                 NGC 4970 196.8906 -24.0086   46.50
nan    10.42  33.34  0.67982512378*
                                 NGC 4830 194.3663 -19.6913   47.90
-1.419    10.41  33.40 0.751692025898*
                                 NGC 4993 197.4487 -23.3839   41.66
nan    10.26  33.10 0.406381229308
                                 NGC 4968 196.7749 -23.6770   42.24
0.626    10.25  33.13 0.505916529441*
                                  IC 4197 197.0180 -23.7969   43.24
nan    10.24  33.18 0.484445523125*
                                  IC 4180 196.7354 -23.9171   42.46
-0.623    10.17  33.14 0.601966463045*
                           ESO 508- G 033 199.0969 -26.5614   45.59
0.199     9.95  33.29 0.825983269095
                           MCG -02-33-036 193.1066 -15.5172   53.87
-1.130     9.86  33.66 0.877644438005
                           ESO 508- G 010 196.9080 -23.5790   43.04
nan     9.51  33.17 0.437793300499*
                           MCG -03-33-023 194.2521 -17.3202   56.79
nan     9.33  33.77 0.896518620494
                           ESO 575- G 053 196.2705 -22.3839   36.37
-0.856     9.33  32.80  0.22864531721
                  2MASX J12525109-1529300 193.2130 -15.4916   52.26
nan     9.31  33.59 0.840364529116
                  2MASX J12505229-1454238 192.7180 -14.9066   52.96
-0.855     9.29  33.62 0.887842401044
                  2MASX J12573271-1942006 194.3863 -19.7002   52.39
-1.788     9.25  33.60 0.869507751703
                           ESO 576- G 003 197.6488 -21.7482   42.04
nan     9.18  33.12 0.892767805914
                                 UGCA 331 197.6914 -23.8657   40.82
nan     9.17  33.05  0.46533406188
                                  IC 3825 192.6544 -14.4828   51.04
-0.985     9.17  33.54 0.869690712974
                           ESO 575- G 055 196.6663 -22.4561   44.49
-0.975     9.07  33.24 0.318944282323
                           ESO 508- G 003 196.6000 -24.1641   40.52
nan     9.06  33.04 0.725785234193*
                           ESO 508- G 019 197.4663 -24.2391   41.79
nan     8.98  33.11 0.468015512935
                           ESO 575- G 029 193.9986 -19.2691   45.21
nan     8.96  33.28 0.776285954276*
                  2MASX J13073768-2356181 196.9071 -23.9384   49.73
nan     8.92  33.48  0.75425858513*
                              2MFGC 10461 197.1774 -23.7756   41.39
nan     8.90  33.08 0.402195426608
                  2MASX J13061939-2258491 196.5805 -22.9804   41.51
-1.129     8.83  33.09 0.348727829094*
                                 UGCA 327 196.9370 -22.8579   37.29
nan     8.81  32.86  0.24221860665
             GALEXASC J125520.46-170546.9 193.8364 -17.0966   56.69
-1.151     8.67  33.77 0.893717974236
                WINGS J125412.84-153523.6 193.5534 -15.5899   50.96
nan     8.64  33.54 0.819574163679
                           ESO 508- G 004 196.7177 -22.8405   41.37
-1.063     8.61  33.08 0.261954420028
                           ESO 508- G 014 197.1342 -23.3469   46.61
-1.525     8.60  33.34 0.502436701005
                      6dF J1254495-160308 193.7063 -16.0523   48.02
nan     8.52  33.41  0.63989406271
             GALEXASC J125811.97-210246.3 194.5501 -21.0461   43.89
-1.349     8.47  33.21 0.896108050802*
             GALEXASC J130525.30-233008.8 196.3546 -23.5025   45.90
-1.011     8.43  33.31 0.758188818845
             GALEXASC J125259.36-152150.9 193.2474 -15.3639   49.87
-1.321     8.41  33.49 0.780610774955
             GALEXASC J125301.39-151007.7 193.2552 -15.1693   53.40
-1.700     8.35  33.64 0.897732213223
             GALEXASC J130707.37-240634.4 196.7822 -24.1104   41.50
nan     8.30  33.09 0.649957568967
                      6dF J1305235-233121 196.3478 -23.5224   41.71
nan     8.28  33.10 0.683125977193*
             GALEXASC J130415.26-225251.3 196.0633 -22.8814   41.23
-1.577     8.20  33.08 0.569226109088*
                      6dF J1309177-242256 197.3241 -24.3821   40.36
nan     8.12  33.03 0.493271503844
                                 UGCA 328 197.3298 -24.3866   41.03
nan     8.11  33.07 0.501078476114
             GALEXASC J125157.02-160617.8 192.9872 -16.1047   50.30
nan     8.06  33.51 0.758957103398
                           ESO 508- G 035 199.4497 -26.9025   37.77
-1.526     8.02  32.89 0.845327686458
             GALEXASC J130918.58-242304.8 197.3286 -24.3846   39.81
nan     7.98  33.00  0.48826441659
             ABELL 1664_11:[PSE2006] 2506 196.8922 -23.8153   42.80
nan     7.93  33.16 0.503854909981*
             GALEXASC J131426.62-271242.6 198.6106 -27.2120   29.32
-1.784     7.82  32.34 0.889086337352
            ABELL 1631:[CZ2003]B0295[024] 192.8695 -15.8723   53.56
nan     7.77  33.64 0.872555532297
                WINGS J125701.38-172325.2 194.2558 -17.3903   26.13
nan     7.10  32.09 0.266736706214
                                HDCE 0763 196.9733 -23.7569   43.09
nan      nan  33.17  0.48258630738
                                  ESO 508 197.1336 -23.6224   45.66
nan      nan  33.30 0.492829108028
                           [TSK2008] 0073 197.7951 -23.5882   40.44
nan      nan  33.03 0.532282847671
                                USGC S204 196.9600 -23.5400   41.72
nan      nan  33.10 0.382686501893
                           [TSK2008] 0052 199.0736 -27.6878   29.69
nan      nan  32.36 0.894365407375
                          HIPASS J1255-15 193.8983 -15.0175   27.32
nan      nan  32.18 0.834811408702
                              2MFGC 10484 197.4617 -24.2419   42.31
nan      nan  33.13  0.47821726929
                                 UGCA 325 196.7796 -24.1119   42.70
nan      nan  33.15 0.668934329707
             GALEXASC J120652.88-040236.6 181.7196 -04.0437   27.17
nan     7.34  32.17 N/A***

**Galaxy found within the IceCube localization closest to the LIGO
localization in the GCN #21511.
* Galaxies matched to the GLADE catalog reported in  GCN #21516

The SFRs are derived from GALEX all sky kron FUV magnitudes via the
prescription of Murphy et al. (2011) and have been corrected for internal
dust extinction using a combination of GALEX FUV and 22um ALLWISE fluxes
(Hao et al. 2011). The quoted stellar masses are derived from 3.4um ALLWISE
fluxes and a mass-to-light ratio of 0.5 (McGaugh & Schombert et al. 2015).
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