TITLE: GCN CIRCULAR NUMBER: 38259 SUBJECT: Fermi GRB 241117A: Global MASTER-Net observations report DATE: 24/11/17 03:15:26 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru> 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-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 Fermi GRB 241117A ( Fermi GBM team, GCN 38258) errorbox 113 sec after notice time and 156 sec after trigger time at 2024-11-17 03:03:20 UT, with upper limit up to 19.5 mag. The observations began at zenith distance = 55 deg. The sun altitude is -36.8 deg. The galactic latitude b = -45 deg., longitude l = 109 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2672996 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 162 | 2024-11-17 03:03:20 | MASTER-OAFA | (00h 20m 31.03s , +16d 32m 14.8s) | C | 10 | 16.9 | 187 | 2024-11-17 03:03:20 | MASTER-OAFA | (00h 20m 31.02s , +16d 32m 14.7s) | C | 60 | 18.0 | Coadd 172 | 2024-11-17 03:03:20 | MASTER-OAFA | (00h 11m 05.86s , +16d 08m 16.7s) | C | 30 | 18.6 | 217 | 2024-11-17 03:03:20 | MASTER-OAFA | (00h 11m 05.86s , +16d 08m 16.7s) | C | 120 | 19.5 | Coadd 203 | 2024-11-17 03:03:56 | MASTER-OAFA | (00h 20m 31.02s , +16d 32m 16.3s) | C | 20 | 17.3 | 214 | 2024-11-17 03:03:56 | MASTER-OAFA | (00h 11m 05.84s , +16d 08m 17.6s) | C | 40 | 18.8 | 254 | 2024-11-17 03:04:42 | MASTER-OAFA | (00h 20m 30.98s , +16d 32m 18.3s) | C | 30 | 17.5 | 265 | 2024-11-17 03:04:42 | MASTER-OAFA | (00h 11m 05.80s , +16d 08m 18.4s) | C | 50 | 18.8 | 315 | 2024-11-17 03:05:38 | MASTER-OAFA | (00h 20m 30.94s , +16d 32m 20.4s) | C | 40 | 17.8 | 375 | 2024-11-17 03:05:38 | MASTER-OAFA | (00h 20m 30.94s , +16d 32m 20.4s) | C | 160 | 18.5 | Coadd 326 | 2024-11-17 03:05:38 | MASTER-OAFA | (00h 11m 05.80s , +16d 08m 19.5s) | C | 60 | 18.9 | 386 | 2024-11-17 03:06:44 | MASTER-OAFA | (00h 20m 30.93s , +16d 32m 22.4s) | C | 50 | 17.8 | 397 | 2024-11-17 03:06:44 | MASTER-OAFA | (00h 11m 05.76s , +16d 08m 20.9s) | C | 70 | 19.0 | 473 | 2024-11-17 03:08:01 | MASTER-OAFA | (00h 20m 30.89s , +16d 32m 24.5s) | C | 70 | 17.9 | 483 | 2024-11-17 03:08:01 | MASTER-OAFA | (00h 11m 05.72s , +16d 08m 22.0s) | C | 90 | 19.0 | 579 | 2024-11-17 03:09:37 | MASTER-OAFA | (00h 20m 30.85s , +16d 32m 26.6s) | C | 90 | 18.0 | 590 | 2024-11-17 03:09:37 | MASTER-OAFA | (00h 11m 05.68s , +16d 08m 23.7s) | C | 110 | 19.1 | 679 | 2024-11-17 03:11:40 | MASTER-OAFA | (00h 08m 08.45s , +16d 24m 27.9s) | C | 43.3333 | 18.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. View this GCN Circular online at https://gcn.nasa.gov/circulars/38259. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...