Swift GRB 230618A: Global MASTER-Net observations report
Abstract
MASTER-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) was pointed to the Swift GRB 230618A ( K. L. Page (U Leicester) and S. Laha (GSFC/UMBC) report on behalf of et al., GCN 33989) errorbox 10 sec after notice time and 42 sec after trigger time at 2023-06-18 03:54:03 UT, with upper limit up to 19.5 mag. The observations began at zenith distance = 67 deg. The sun altitude is -78.0 deg. The galactic latitude b = 66 deg., longitude l = 314 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2224051 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 48 | MASTER-OAFA | C | 10 | 16.9 | 79 | MASTER- | C | 10 | 15.6 | 89 | MASTER-OAFA | C | 10 | 16.9 | 113 | MASTER- | C | 20 | 16.1 | 135 | MASTER-OAFA | C | 20 | 17.3 | 158 | MASTER- | C | 30 | 16.5 | 191 | MASTER-OAFA | C | 30 | 17.7 | 241 | MASTER-OAFA | C | 130 | 18.7 | Coadd 213 | MASTER- | C | 40 | 16.6 | 258 | MASTER-OAFA | C | 40 | 17.9 | 278 | MASTER- | C | 50 | 16.7 | 339 | MASTER-OAFA | C | 60 | 18.2 | 353 | MASTER- | C | 60 | 17.1 | 440 | MASTER-OAFA | C | 80 | 18.5 | 555 | MASTER-OAFA | C | 310 | 19.3 | Coadd 443 | MASTER- | C | 80 | 17.1 | 553 | MASTER- | C | 100 | 17.1 | 561 | MASTER-OAFA | C | 100 | 18.6 | 683 | MASTER- | C | 120 | 17.1 | 708 | MASTER-OAFA | C | 130 | 18.7 | 838 | MASTER- | C | 150 | 17.2 | 884 | MASTER-OAFA | C | 160 | 18.7 | 1064 | MASTER-OAFA | C | 520 | 19.5 | Coadd 1023 | MASTER- | C | 180 | 17.5 | 1085 | MASTER-OAFA | C | 180 | 18.6 | 1222 | MASTER- | C | 180 | 17.1 | 1297 | MASTER-OAFA | C | 180 | 18.8 | 1422 | MASTER- | C | 180 | 17.1 | 1508 | MASTER-OAFA | C | 180 | 18.6 | 1688 | MASTER-OAFA | C | 540 | 19.3 | Coadd 1622 | MASTER- | C | 180 | 17.1 | 1822 | MASTER- | C | 180 | 17.1 | 1902 | MASTER-OAFA | C | 180 | 18.5 | 2097 | MASTER- | C | 180 | 17.0 | 2114 | MASTER-OAFA | C | 180 | 18.5 | 2325 | MASTER-OAFA | C | 180 | 18.3 | 2505 | MASTER-OAFA | C | 540 | 19.0 | Coadd 2438 | MASTER- | C | 180 | 17.5 | 2536 | MASTER-OAFA | C | 180 | 18.5 | 2747 | MASTER-OAFA | C | 180 | 18.3 | 2778 | MASTER- | C | 180 | 17.4 | 2958 | MASTER-OAFA | C | 180 | 18.1 | 3118 | MASTER- | C | 180 | 17.4 | 3170 | MASTER-OAFA | C | 180 | 17.9 | 3381 | MASTER-OAFA | C | 180 | 17.9 | 3458 | MASTER- | C | 180 | 17.4 | 3799 | MASTER- | C | 180 | 17.5 | 3947 | MASTER-OAFA | C | 180 | 17.7 | 4138 | MASTER- | C | 180 | 17.5 | 4158 | MASTER-OAFA | C | 180 | 17.7 | 4477 | MASTER- | C | 180 | 17.5 | 4551 | MASTER-OAFA | C | 180 | 17.4 | 4763 | MASTER-OAFA | C | 180 | 17.3 | 4817 | MASTER- | C | 180 | 17.4 | 5011 | MASTER-OAFA | C | 180 | 17.0 | 5158 | MASTER- | C | 180 | 17.5 | 5222 | MASTER-OAFA | C | 180 | 16.9 | 5499 | MASTER- | C | 180 | 17.4 | 5795 | MASTER-OAFA | C | 180 | 16.5 | 5837 | MASTER- | C | 180 | 17.5 | 6177 | MASTER- | C | 180 | 17.5 | 6516 | MASTER- | C | 180 | 17.5 | 6856 | MASTER- | C | 180 | 17.5 | 7197 | MASTER- | C | 180 | 17.5 | 7537 | MASTER- | C | 180 | 17.5 | 7877 | MASTER- | C | 180 | 17.5 | 8218 | MASTER- | C | 180 | 17.5 | 8558 | MASTER- | C | 180 | 17.5 | 8899 | MASTER- | C | 180 | 17.5 | 9240 | MASTER- | C | 180 | 17.5 | 9581 | MASTER- | C | 180 | 17.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
- Publication:
-
GRB Coordinates Network
- Pub Date:
- June 2023
- Bibcode:
- 2023GCN.33994....1L