{
  "bibcode": "2012GCN.13390....1I",
  "body": "K. Ivarsen, J. Haislip, A. LaCluyze, D. Reichart, J. Moore, H. T.\nCromartie, R. Egger, A. Foster, N. Frank, M. Nysewander, A. Oza, E.\nSpeckhard, A.Trotter, and J. A. Crain report:\n\nSkynet observed the field of IGR J17062-6143 using the PROMPT telescopes\nlocated at CTIO in Chile following Swift trigger 525148 (Barthelmy et al.)\nand beginning 16.9 minutes after the trigger. Earlier observations were\ndelayed due to evening twilight. We detect a fading optical afterglow\nat RA=17:06:16.3, Dec=-61:42:40.3 with the following preliminary magnitudes:\n\nmean-t �#exp �explen �filt �mag �+(1sig) -(1sig)\n19.02m � �1 � � 80s � �B � 18.38 �0.14 � �0.12\n32.75m � �4 � � 80s � �B � 18.98 �0.14 � �0.12\n49.55m � 17 � � 80s � �B � 19.45 �0.10 � �0.09\n116.18m �58 � � 80s � �B � 19.96 �0.09 � �0.08\n\n32.00m � �4 � � 80s � �V � 18.84 �0.13 � �0.11\n48.48m � 17 � � 80s � �V � 19.52 �0.12 � �0.11\n117.22m �60 � � 80s � �V � 19.93 �0.10 � �0.09\n\n17.55m � �1 � � 80s � �R � 18.28 �0.15 � �0.13\n32.82m � �4 � � 80s � �R � 18.90 �0.13 � �0.11\n47.88m � 17 � � 80s � �R � 19.19 �0.08 � �0.08\n116.18m �56 � � 80s � �R � 19.69 �0.08 � �0.07\n\n32.35m � �5 � � 80s � �I � 19.63 �0.30 � �0.24\n47.88m � 14 � � 80s � �I � 19.64 �0.17 � �0.15\n117.55m �58 � � 80S � �I � 20.33 �0.14 � �0.12\n\nMagnitudes were calibrated to five stars in the USNO-B1.0 catalog.\n\nFurther BVRI observations are planned.",
  "circularId": 13390,
  "createdOn": 1340677882000,
  "email": "kivarsen@gmail.com",
  "subject": "Skynet/PROMPT observations of IGR J17062-6143 (Swift trigger 525148)",
  "submitter": "Kevin Ivarsen at UNC/PROMPT  <kivarsen@gmail.com>"
}