LIGO/Virgo S230615ak: 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) started inspect of the LIGO/Virgo S230615ak errorbox 2 days 63328 sec after notice time and 2 days 63395 sec after trigger time at 2023-06-18 07:01:58 UT, with upper limit up to 18.7 mag. The observations began at zenith distance = 52 deg. The sun altitude is -56.7 deg. The galactic latitude b = 10 deg., longitude l = 31 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/ligo_1.php?id=12038 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 163630 | 2023-06-17 10:52:23 | MASTER- | (18h 05m 49.44s , +45d 11m 01.8s) | C | 20 | 17.9 | 163670 | 2023-06-17 10:53:03 | MASTER- | (18h 05m 46.44s , +45d 12m 38.1s) | C | 20 | 17.7 | 163715 | 2023-06-17 10:53:43 | MASTER- | (18h 05m 46.90s , +45d 11m 05.5s) | C | 30 | 16.4 | 163770 | 2023-06-17 10:54:32 | MASTER- | (18h 05m 49.69s , +45d 12m 07.4s) | C | 40 | 18.6 | 163835 | 2023-06-17 10:55:32 | MASTER- | (18h 05m 44.00s , +45d 11m 24.5s) | C | 50 | 18.7 | 163915 | 2023-06-17 10:56:42 | MASTER- | (18h 05m 43.98s , +45d 12m 16.4s) | C | 70 | 18.6 | 164015 | 2023-06-17 10:58:13 | MASTER- | (18h 05m 49.76s , +45d 11m 09.7s) | C | 90 | 18.0 | 164135 | 2023-06-17 11:00:02 | MASTER- | (18h 05m 43.17s , +45d 09m 54.8s) | C | 110 | 18.3 | 236286 | 2023-06-18 07:01:58 | MASTER-OAFA | (17h 50m 54.68s , +09d 20m 18.5s) | C | 180 | 18.5 | 236708 | 2023-06-18 07:09:00 | MASTER-OAFA | (17h 59m 07.21s , +09d 20m 04.0s) | C | 180 | 18.7 | 237130 | 2023-06-18 07:16:02 | MASTER-OAFA | (17h 50m 59.97s , +09d 19m 17.5s) | C | 180 | 18.6 | 237551 | 2023-06-18 07:23:04 | MASTER-OAFA | (17h 59m 03.08s , +09d 18m 57.4s) | C | 180 | 18.6 | 238141 | 2023-06-18 07:32:54 | MASTER-OAFA | (17h 46m 00.23s , +07d 25m 15.1s) | C | 180 | 18.4 | 238353 | 2023-06-18 07:36:25 | MASTER-OAFA | (17h 54m 09.26s , +07d 25m 10.8s) | C | 180 | 18.5 | 238564 | 2023-06-18 07:39:57 | MASTER-OAFA | (17h 57m 05.16s , +11d 14m 27.7s) | C | 180 | 18.7 | 238777 | 2023-06-18 07:43:29 | MASTER-OAFA | (18h 05m 13.87s , +11d 12m 45.6s) | C | 180 | 18.5 | 239247 | 2023-06-18 07:51:20 | MASTER-OAFA | (17h 54m 01.64s , +07d 25m 54.2s) | C | 180 | 18.5 | 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.34002....1L