GCN Circular 46285
Subject
EP Alert 261114.82: Global MASTER-Net observations report
Date
2026-11-15T03:18:31Z (5 hours ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
email
M. Segura, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA)
V.Lipunov, E.Gorbovskoy, A.Kuznetsov, K.Zhirkov, I.Panchenko, N.Tiurina, P.Balanutsa, V.Topolev, D.Vlasenko,
G.Antipov, A.Sankovich, Yu.Tselik, Ya..Kechin, V.Senik, A.Chasovnikov, K.Labsina (Lomonosov MSU)
D.Buckley (SAAO),
A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity)
A.Sosnovskij (Lomonosov MSU)
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory)
L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,
A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory)
R.Rebolo (The Instituto de Astrofisica de Canarias)
O.Gress, N.Budnev(ISU)
MASTER-OAFA robotic telescope [1] located in Argentina (OAFA observatory of San Juan National University) was pointed to the EP Alert 261114.82 (trigger No 1709322536,04h 33m 20.64s , -03d 32m 27.6s, R=0.05) errorbox 19 sec after notice time and 25274 sec after trigger time at 2026-11-15 02:41:49 UT, with upper limit up to 20.0 mag. The observations began at zenith distance = 49 deg. The sun altitude is -34.5 deg.
The galactic latitude b = -32 deg., longitude l = 199 deg.
Real time updated cover map and OT discovered available here:
https://master.sai.msu.ru/site/master2/observ.php?id=3532619
We obtain a following upper limits.
Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________
25334 | 2026-11-15 02:41:49 | MASTER-OAFA | (04h 33m 22.99s , -03d 25m 34.0s) | C | 120 | 19.9 |
25461 | 2026-11-15 02:43:56 | MASTER-OAFA | (04h 33m 22.94s , -03d 25m 30.7s) | C | 120 | 19.9 |
25587 | 2026-11-15 02:46:02 | MASTER-OAFA | (04h 33m 22.86s , -03d 25m 27.8s) | C | 120 | 19.9 |
25712 | 2026-11-15 02:48:08 | MASTER-OAFA | (04h 33m 22.77s , -03d 25m 25.0s) | C | 120 | 19.9 |
25838 | 2026-11-15 02:50:13 | MASTER-OAFA | (04h 33m 22.67s , -03d 25m 22.5s) | C | 120 | 19.9 |
25964 | 2026-11-15 02:52:20 | MASTER-OAFA | (04h 33m 22.57s , -03d 25m 20.2s) | C | 120 | 19.9 |
26091 | 2026-11-15 02:54:26 | MASTER-OAFA | (04h 33m 22.46s , -03d 25m 18.1s) | C | 120 | 19.9 |
26216 | 2026-11-15 02:56:31 | MASTER-OAFA | (04h 33m 22.34s , -03d 25m 16.1s) | C | 120 | 19.9 |
26342 | 2026-11-15 02:58:38 | MASTER-OAFA | (04h 33m 22.22s , -03d 25m 14.1s) | C | 120 | 19.9 |
26468 | 2026-11-15 03:00:44 | MASTER-OAFA | (04h 33m 22.09s , -03d 25m 12.3s) | C | 120 | 19.9 |
26595 | 2026-11-15 03:02:50 | MASTER-OAFA | (04h 33m 21.95s , -03d 25m 10.6s) | C | 120 | 20.0 |
26721 | 2026-11-15 03:04:56 | MASTER-OAFA | (04h 33m 21.81s , -03d 25m 09.0s) | C | 120 | 19.9 |
26847 | 2026-11-15 03:07:02 | MASTER-OAFA | (04h 33m 21.65s , -03d 25m 07.6s) | C | 120 | 19.9 |
26973 | 2026-11-15 03:09:08 | MASTER-OAFA | (04h 33m 21.50s , -03d 25m 06.4s) | C | 120 | 19.9 |
27099 | 2026-11-15 03:11:14 | MASTER-OAFA | (04h 33m 21.34s , -03d 25m 05.2s) | C | 120 | 19.9 |
Filter C is a clear (unfiltred) band.
The observation and reduction will continue.
The message may be cited.
[1] - V.M. Lipunov, V.G. Kornilov, E.S. Gorbovskoy, N.A. Tiurina & A.S.Kuznetsov, 2023, Astronomical Robotic Networks and Operative Multichanel Astrophysics, Lomonosov MSU PRESS, 591pp.
http : // www.pereplet.ru/lipunov/625.html