GCN Circular 38911
Subject
EP250111a: Global MASTER-Net observations report
Date
2025-01-11T16:27:37Z (11 days ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
email
V.Lipunov, E.Gorbovskoy, N.Tiurina, P.Balanutsa, , D.Vlasenko, I.Panchenko,
A.Kuznetsov, G.Antipov, A.Sankovich, A.Sosnovskij, Yu.Tselik, M.Gulyaev, Ya.Kechin,
V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU),
O.Gress, N.Budnev (ISU),
C.Francile, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA),
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),
A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity)
D.Buckley (SAAO),
R.Rebolo (The Instituto de Astrofisica de Canarias),
L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,
A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory)
MASTER-Kislovodsk robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the EP250111a ( EP Team et al., GCN 38905) errorbox 22034 sec after notice time and 48770 sec after trigger time at 2025-01-11 14:53:34 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 50 deg. The sun altitude is -10.3 deg.
The galactic latitude b = 20 deg., longitude l = 158 deg.
Real time updated cover map and OT discovered available here:
https://master.sai.msu.ru/site/master2/observ.php?id=2740256
We obtain a following upper limits.
Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________
48800 | 2025-01-11 14:53:34 | MASTER-Kislovodsk | (06h 27m 26.49s , +56d 59m 55.8s) | C | 60 | 16.7 |
48845 | 2025-01-11 14:53:34 | MASTER-Kislovodsk | (06h 27m 26.49s , +56d 59m 55.8s) | C | 150 | 17.1 | Coadd
48880 | 2025-01-11 14:54:54 | MASTER-Kislovodsk | (06h 27m 31.58s , +57d 00m 09.6s) | C | 60 | 16.7 |
48945 | 2025-01-11 14:56:13 | MASTER-Kislovodsk | (06h 27m 29.58s , +57d 01m 53.7s) | C | 30 | 16.4 |
48994 | 2025-01-11 14:57:03 | MASTER-Kislovodsk | (06h 27m 30.55s , +57d 00m 00.6s) | C | 30 | 16.4 |
49059 | 2025-01-11 14:57:52 | MASTER-Kislovodsk | (06h 27m 34.60s , +57d 01m 58.6s) | C | 60 | 16.7 |
49139 | 2025-01-11 14:59:12 | MASTER-Kislovodsk | (06h 27m 27.57s , +57d 01m 01.9s) | C | 60 | 16.7 |
49218 | 2025-01-11 15:00:32 | MASTER-Kislovodsk | (06h 27m 27.53s , +57d 02m 04.4s) | C | 60 | 16.7 |
49299 | 2025-01-11 15:01:52 | MASTER-Kislovodsk | (06h 27m 32.46s , +57d 01m 06.5s) | C | 60 | 16.8 |
49378 | 2025-01-11 15:03:12 | MASTER-Kislovodsk | (06h 27m 26.35s , +57d 00m 09.3s) | C | 60 | 16.8 |
49458 | 2025-01-11 15:04:31 | MASTER-Kislovodsk | (06h 27m 32.25s , +57d 00m 29.7s) | C | 60 | 16.8 |
49537 | 2025-01-11 15:05:51 | MASTER-Kislovodsk | (06h 27m 30.17s , +57d 02m 06.8s) | C | 60 | 16.8 |
49617 | 2025-01-11 15:07:11 | MASTER-Kislovodsk | (06h 27m 29.07s , +57d 00m 33.5s) | C | 60 | 16.8 |
49697 | 2025-01-11 15:08:30 | MASTER-Kislovodsk | (06h 27m 32.95s , +57d 01m 50.4s) | C | 60 | 16.8 |
49777 | 2025-01-11 15:09:51 | MASTER-Kislovodsk | (06h 27m 25.83s , +57d 01m 23.6s) | C | 60 | 16.8 |
49887 | 2025-01-11 15:11:10 | MASTER-Kislovodsk | (06h 27m 25.75s , +57d 02m 27.6s) | C | 120 | 16.9 |
50027 | 2025-01-11 15:13:30 | MASTER-Kislovodsk | (06h 27m 33.48s , +57d 01m 32.6s) | C | 120 | 17.0 |
50166 | 2025-01-11 15:15:50 | MASTER-Kislovodsk | (06h 27m 25.14s , +57d 00m 38.8s) | C | 120 | 16.9 |
50306 | 2025-01-11 15:18:10 | MASTER-Kislovodsk | (06h 27m 29.80s , +57d 00m 54.7s) | C | 120 | 16.9 |
50446 | 2025-01-11 15:20:29 | MASTER-Kislovodsk | (06h 27m 28.56s , +57d 02m 34.7s) | C | 120 | 17.0 |
50586 | 2025-01-11 15:22:50 | MASTER-Kislovodsk | (06h 27m 28.31s , +57d 01m 22.1s) | C | 120 | 17.0 |
50726 | 2025-01-11 15:25:09 | MASTER-Kislovodsk | (06h 27m 30.15s , +57d 02m 55.1s) | C | 120 | 17.0 |
50866 | 2025-01-11 15:27:29 | MASTER-Kislovodsk | (06h 27m 23.97s , +57d 02m 04.2s) | C | 120 | 16.9 |
51006 | 2025-01-11 15:29:49 | MASTER-Kislovodsk | (06h 27m 23.64s , +57d 03m 10.2s) | C | 120 | 16.9 |
51145 | 2025-01-11 15:32:09 | MASTER-Kislovodsk | (06h 27m 30.20s , +57d 02m 15.1s) | C | 120 | 16.9 |
51285 | 2025-01-11 15:34:29 | MASTER-Kislovodsk | (06h 27m 22.93s , +57d 01m 20.6s) | C | 120 | 16.9 |
51425 | 2025-01-11 15:36:49 | MASTER-Kislovodsk | (06h 27m 29.84s , +57d 01m 53.1s) | C | 120 | 16.8 |
Filter C is a clear (unfiltred) band.
The observation and reduction will continue.
The message may be cited.