IceCube Alert 240307.32: Global MASTER-Net observations report
Abstract
MASTER-Amur robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the IceCube Alert 240307.32 (trigger No 34742349,15h 55m 54.48s , +39d 36m 46.8s, R=2.84) errorbox 18588 sec after notice time and 18638 sec after trigger time at 2024-03-07 12:55:36 UT, with upper limit up to 18.6 mag. The observations began at zenith distance = 68 deg. The sun altitude is -33.2 deg. The galactic latitude b = 50 deg., longitude l = 63 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2393538 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 18669 | 2024-03-07 12:55:36 | MASTER-Amur | (15h 41m 19.59s , +43d 07m 43.3s) | C | 60 | 17.7 | 18828 | 2024-03-07 12:58:15 | MASTER-Amur | (15h 33m 53.81s , +41d 14m 46.2s) | C | 60 | 17.9 | 19671 | 2024-03-07 13:12:18 | MASTER-Amur | (15h 41m 09.34s , +43d 09m 06.2s) | C | 60 | 18.0 | 19912 | 2024-03-07 13:16:19 | MASTER-Amur | (15h 33m 49.52s , +41d 13m 01.4s) | C | 60 | 18.1 | 20874 | 2024-03-07 13:32:21 | MASTER-Amur | (15h 41m 04.48s , +43d 07m 36.5s) | C | 60 | 18.1 | 21033 | 2024-03-07 13:35:00 | MASTER-Amur | (15h 33m 46.21s , +41d 13m 15.7s) | C | 60 | 18.1 | 21253 | 2024-03-07 13:37:40 | MASTER-Amur | (15h 56m 43.96s , +39d 43m 53.6s) | C | 180 | 18.6 | 21392 | 2024-03-07 13:40:59 | MASTER-Amur | (15h 56m 43.48s , +39d 19m 10.6s) | C | 60 | 18.4 | 21472 | 2024-03-07 13:42:19 | MASTER-Amur | (16h 07m 08.41s , +39d 20m 56.0s) | C | 60 | 18.3 | 21552 | 2024-03-07 13:43:39 | MASTER-Amur | (15h 43m 12.12s , +41d 14m 14.5s) | C | 60 | 18.3 | 21632 | 2024-03-07 13:44:58 | MASTER-Amur | (15h 53m 57.31s , +41d 13m 32.2s) | C | 60 | 18.4 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
- Publication:
-
GRB Coordinates Network
- Pub Date:
- March 2024
- Bibcode:
- 2024GCN.35895....1L