VizieR Online Data Catalog: Photometry of the afterglow of GRB 130831A (De Pasquale+, 2016)

Swift/UVOT (Roming et al. 2005SSRv..120...95R) began observing the field of GRB 130831A 114 s after the trigger (Hagen et al., GCN Circular 15139) and started settled observations 191 s after the trigger, with a finding chart exposure in the u band. The afterglow was detected in all seven UVOT filters. The Reionization And Transients InfraRed camera (RATIR) observed GRB 130831A over a period of 7 h, beginning 15.8 h after the Swift trigger, with follow-up observations on six nights over the next month. RATIR is mounted on the 1.5-metre Harold L. Johnson telescope of the Observatorio Astronomico Nacional on Sierra San Pedro Martir in Baja California (Mexico). Skynet (Reichart et al. 2005NCimC..28..767R) obtained images of the field of GRB 130831A on 2013 August 31 with four 17 arcsec telescopes of the Panchromatic Robotic Optical Monitoring and Polarimetry Telescope (PROMPT) array at Siding Spring Observatory, New South Wales, Australia. The International Scientific Optical-Observation Network (ISON; Molotov et al. 2008AdSpR..41.1022M; Pozanenko et al. 2013EAS....61..259P) started observing on 2013 August 31 at 13:14:32 ut, i.e. ~10 min after the trigger, with the 0.65-m telescope SANTEL-650 (Volnova et al. 2013GCN.15185....1V) of ISON-Ussuriysk observatory. The 50-cm telescope VT-50 of ISON-Ussuriysk observatory started to observe at 13:26:10 ut, 22 min after the trigger, taking 384 unfiltered images with exposures of 30 s in two epochs with a gap of about 1.8 h (Volnova et al. 2013GCN.15185....1V). Starting at 19:12:30 ut during the first day, the 40-cm SANkovich-TELescope (SANTEL) -400AN of ISON-Kislovodsk observatory took 34 frames with exposures between 60 and 120 s (Volnova et al. 2013GCN.15188....1V).

(1 data file).