TNS Astronomical Transient Report No. 273761 [ 2025TNSTR4174....1L ]
Date Received (UTC): 2025-10-18 07:58:08
Date made public:
Sender: MASTER
Reporting Group: MASTER Discovery Data Source: MASTER
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, V.Shumkov, K.Vetrov (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.Sosnovskij (CrAO), 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) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025aate
Discoverer internal name: MASTER OT J184810.01-370141.6
Coordinates (J2000): RA = 18:48:10.010 (282.041708) DEC = -37:01:41.60 (-37.028222)
Discovery date: 2025-10-18 03:15:33.120 (JD=2460966.6358)
Remarks: SN can be in 10-14days, if GRB is long. This is Fermi/Swift GRB 251018A optical counterpart. The first image was earlier
Photometry
Discovery (first detection):
Discovery date: 2025-10-18 03:15:33.120
Flux: 16.5 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-OAFA
Last non-detection:
Last non-detection date: 2025-07-04 06:01:34
Limiting flux: 18.7 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-OAFA
Archival info: Other
Remarks: MASTER
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025aate
Date Received (UTC): 2025-10-18 07:58:08
Date made public:
Sender: MASTER
Reporting Group: MASTER Discovery Data Source: MASTER
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, V.Shumkov, K.Vetrov (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.Sosnovskij (CrAO), 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) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025aate
Discoverer internal name: MASTER OT J184810.01-370141.6
Coordinates (J2000): RA = 18:48:10.010 (282.041708) DEC = -37:01:41.60 (-37.028222)
Discovery date: 2025-10-18 03:15:33.120 (JD=2460966.6358)
Remarks: SN can be in 10-14days, if GRB is long. This is Fermi/Swift GRB 251018A optical counterpart. The first image was earlier
Photometry
Discovery (first detection):
Discovery date: 2025-10-18 03:15:33.120
Flux: 16.5 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-OAFA
Last non-detection:
Last non-detection date: 2025-07-04 06:01:34
Limiting flux: 18.7 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-OAFA
Archival info: Other
Remarks: MASTER
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025aate