[vsnet-grb-info 22193] LIGO/Virgo S190426c: MMT Follow-Up Observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  24292
SUBJECT: LIGO/Virgo S190426c: MMT Follow-Up Observations
DATE:    19/04/27 16:25:32 GMT
FROM:    Griffin Hosseinzadeh at Harvard U  <griffin.hosseinzadeh at cfa.harvard.edu>

G. Hosseinzadeh, S. Gomez, L. Patton, E. Berger, P. K. Blanchard,
T. Eftekhari, J. Gill, V. A. Villar, P. K. G. Williams (Harvard U),
P. S. Cowperthwaite (Carnegie Obs), R. Chornock (Ohio U), W. Fong, 
R. Margutti (Northwestern U), and M. Nicholl (U Edinburgh) report:

We obtained 30 s i-band images of the following GLADE galaxies (Dalya
et al. 2018, MNRAS, 479, 2374) in the LIGO/Virgo localization region of
S190426c (GCN 24237) with the MMTCam instrument on the MMT 6.5-m telescope:

Name              R.A.        Dec.       Date        UT
18191810+8807285  274.825439  88.124603  2019-04-27  08:38:51.40
18215068+8642223  275.461182  86.706215  2019-04-27  08:40:44.16
18242867+8642139  276.119476  86.703888  2019-04-27  08:42:02.29
19301513+8540516  292.563049  85.681000  2019-04-27  08:44:01.04
20412914+8626330  310.371429  86.442513  2019-04-27  08:47:15.62
20441724+8654219  311.071838  86.906105  2019-04-27  08:48:44.73
3085923           313.123840  86.186646  2019-04-27  08:50:06.79
20452666+8620428  311.361084  86.345238  2019-04-27  08:53:22.23
20592695+8454369  314.862305  84.910271  2019-04-27  08:55:00.27
20110295+4637149  302.762329  46.620808  2019-04-27  09:00:55.59
20113931+4550035  302.913818  45.834320  2019-04-27  09:03:02.52
20114858+4657335  302.952423  46.959324  2019-04-27  09:04:39.00
20132761+4630313  303.365082  46.508705  2019-04-27  09:06:17.34
20134502+4726333  303.437622  47.442604  2019-04-27  09:07:51.07
20152058+4555282  303.835785  45.924526  2019-04-27  09:09:30.54
20201548+4720364  305.064514  47.343445  2019-04-27  09:12:40.37
20242781+4900526  306.115875  49.014629  2019-04-27  09:14:19.34
20354336+4953165  308.930695  49.887932  2019-04-27  09:15:46.70
20224302+5636145  305.679291  56.604050  2019-04-27  09:17:53.43
20244336+5245430  306.180695  52.761951  2019-04-27  09:19:32.34
20245359+5610264  306.223328  56.174004  2019-04-27  09:20:53.09
20260256+5552523  306.510681  55.881222  2019-04-27  09:22:19.39
20273404+5015483  306.891846  50.263424  2019-04-27  09:23:52.13
20273859+5353393  306.910797  53.894264  2019-04-27  09:25:23.97
20281516+5641284  307.063202  56.691227  2019-04-27  09:26:51.40
20290191+5817016  307.257996  58.283779  2019-04-27  09:28:13.83
20291160+5219510  307.298340  52.330837  2019-04-27  09:29:55.67
20300804+5415120  307.533508  54.253361  2019-04-27  09:31:48.43
20304675+6259395  307.694824  62.994316  2019-04-27  09:37:44.30
20322187+5812031  308.091156  58.200874  2019-04-27  09:39:26.33
20334424+5403120  308.434357  54.053345  2019-04-27  09:41:06.11
20334533+6254178  308.438904  62.904968  2019-04-27  09:42:45.02
20352447+5759548  308.851959  57.998581  2019-04-27  09:44:34.03
20354995+6208172  308.958160  62.138115  2019-04-27  09:47:16.72
20355212+5549587  308.967194  55.832996  2019-04-27  09:49:52.60
20370886+5756538  309.286957  57.948280  2019-04-27  09:51:23.64
20373532+5628217  309.397186  56.472702  2019-04-27  09:52:50.88
20384775+6128473  309.698975  61.479832  2019-04-27  09:54:43.33
20385946+5351220  309.747772  53.856125  2019-04-27  09:56:30.10
20391360+6454369  309.806671  64.910263  2019-04-27  09:58:12.37
20404068+6437003  310.169525  64.616753  2019-04-27  09:59:56.03
20431546+5424171  310.814453  54.404751  2019-04-27  10:02:35.77
20450027+6441410  311.251160  64.694733  2019-04-27  10:04:16.29
20452857+6332249  311.369080  63.540272  2019-04-27  10:05:41.40
20453196+6157519  311.383179  61.964432  2019-04-27  10:07:11.51
20482612+6414178  312.108856  64.238281  2019-04-27  10:08:31.27
20492307+6412331  312.346161  64.209221  2019-04-27  10:10:38.44
20495907+6207478  312.496155  62.129963  2019-04-27  10:12:07.42
20515127+6309235  312.963654  63.156536  2019-04-27  10:13:43.40
20581565+6217178  314.565247  62.288288  2019-04-27  10:15:27.92

Comparison of the images to the PS1 3pi survey (Chambers et al. 2016, 
arXiv:1612.05560) reveals no new sources brighter than ~21 mag within
the 2.7 arcmin field of view.

We thank Chun Ly and Ben Kunk at MMT for taking these observations and
Dallan Porter for help with the target submission.