Table 2.
Details of the observations during which our four UV transients were detected.
| Source | ObsID | Date | Flux |
|---|---|---|---|
| (10−15 erg s−1 cm−2 Å−1) | |||
| SW1 | 00049754004 | 2013-07-02 | 1.62 ± 0.18 |
| 00049754022 | 2013-11-06 | 3.23 ± 0.25 | |
| 00084119002 | 2014-11-17 | 0.40 ± 0.10 | |
| 00084119010 | 2015-03-05 | 1.38 ± 0.14 | |
| 00084119019 | 2016-01-03 | 2.43 ± 0.19 | |
| 00084119020 | 2016-01-04 | 2.34 ± 0.20 | |
| SW2 | 00049754001 | 2013-02-11 | 1.41 ± 0.19 |
| 00049754011 | 2013-08-17 | 0.75 ± 0.15 | |
| 00049754012 | 2013-08-19 | 0.95 ± 0.16 | |
| 00049754013 | 2013-08-22 | 1.17 ± 0.18 | |
| 00049754014 | 2013-08-24 | 0.86 ± 0.16 | |
| 00049754015 | 2013-08-27 | 0.40 ± 0.18 | |
| 00084119003 | 2014-11-29 | 0.46 ± 0.13 | |
| 00084119006 | 2015-01-07 | 0.72 ± 0.14 | |
| 00084119009 | 2015-02-09 | 1.47 ± 0.19 | |
| 00084119022 | 2016-01-29 | 1.35 ± 0.19 | |
| 00084119023 | 2016-02-03 | 0.90 ± 0.16 | |
| 00084119027 | 2016-03-25 | 0.37 ± 0.14 | |
| 00084119036 | 2016-07-07 | 0.96 ± 0.16 | |
| 00084119043 | 2017-02-26 | 0.51 ± 0.14 | |
| 00084119046 | 2017-03-16 | 0.60 ± 0.14 | |
| 00084119051 | 2017-05-17 | 0.81 ± 0.15 | |
| 00084119053 | 2017-06-18 | 0.76 ± 0.15 | |
| SW3 | 00049754016 | 2013-09-03 | 0.91 ± 0.13 |
| 00049754017 | 2013-09-04 | 0.75 ± 0.11 | |
| 00049754018 | 2013-09-11 | 0.58 ± 0.10 | |
| SW4 | 00084119002 | 2014-11-17 | 2.03 ± 0.48 |
| 00084119023 | 2016-02-03 | 3.29 ± 0.54 | |
| 00084119034 | 2016-06-17 | 1.77 ± 0.46 | |
| 00084119043 | 2017-02-26 | 1.80 ± 0.48 | |
| 00084119044 | 2017-03-01 | 1.58 ± 0.47 | |
Notes. The uvm2 fluxes are listed for each detection. The errors on the fluxes are the 1σ errors (statistical combined with systematic, the latter representing errors in the photometric calibration of UVOT) as obtained using the uvotsource tool. The fluxes are corrected for cluster background flux by subtracting the mean flux at the source position at times when the sources are not detected.
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