GCN Circular 21567
Subject
LIGO/Virgo G298048: Correction to Swope photometry announced in LVC GCN 21529
Date
2017-08-18T17:19:22Z (7 years ago)
From
Ryan Foley at UCSC <foley@ucsc.edu>
D. A. Coulter, C. D. Kilpatrick, M. R. Siebert, R. J. Foley (UCSC), B. J. Shappee, M. R. Drout, J. S. Simon, and A. L. Piro (Carnegie)
on behalf of the One-Meter Two-Hemisphere (1M2H) collaboration:
We report a correction to the photometric magnitude of SSS17a announced in LVC GCN 21529. After re-examination of the imaging and using 97 APASS i' standards for relative photometry, we conclude that the source had a brightness of i = 17.3 +/- 0.1 mag at the time of observation on UT 2017-08-17.98. We apologize for the error.