TNS Astronomical Transient Report No. 279252 [ 2025TNSTR4799....1O ]
Date Received (UTC): 2025-12-02 20:03:08
Date made public:
Sender: MASTER
Reporting Group: MASTER Discovery Data Source: MASTER
A.Ospanov, V.Shumkov, V.Lipunov, V.Oknyansky, 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 (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 2025afsx
Discoverer internal name: MASTER OT J083020.05-040616.6
Coordinates (J2000): RA = 08:30:20.050 (127.583542) DEC = -04:06:16.60 (-4.104611)
Discovery date: 2025-12-02 01:41:23.424 (JD=2461011.57041)
Remarks: >7mag amplitude outburst
Photometry
Discovery (first detection):
Discovery date: 2025-12-02 01:41:23.424
Flux: 16.8 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-SAAO
Last non-detection:
Last non-detection date: 2025-10-16 02:15:52
Limiting flux: 20 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-SAAO
Archival info: Other
Remarks: MASTER
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025afsx
Date Received (UTC): 2025-12-02 20:03:08
Date made public:
Sender: MASTER
Reporting Group: MASTER Discovery Data Source: MASTER
A.Ospanov, V.Shumkov, V.Lipunov, V.Oknyansky, 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 (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 2025afsx
Discoverer internal name: MASTER OT J083020.05-040616.6
Coordinates (J2000): RA = 08:30:20.050 (127.583542) DEC = -04:06:16.60 (-4.104611)
Discovery date: 2025-12-02 01:41:23.424 (JD=2461011.57041)
Remarks: >7mag amplitude outburst
Photometry
Discovery (first detection):
Discovery date: 2025-12-02 01:41:23.424
Flux: 16.8 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-SAAO
Last non-detection:
Last non-detection date: 2025-10-16 02:15:52
Limiting flux: 20 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-SAAO
Archival info: Other
Remarks: MASTER
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025afsx