TNS Astronomical Transient Report No. 302891 [ 2026TNSTR2026....1E ]
Date Received (UTC): 2026-05-10 09:20:18
Date made public:
Sender: MASTER
Reporting Group: MASTER Discovery Data Source: MASTER
O.Ershova, Ya.Kechin, V.Lipunov (Lomonosov MSU), C.Francile, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA), 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, I. Gorbunov (Lomonosov MSU), O.Gress, N.Budnev (ISU), 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 2026lvl
Discoverer internal name: MASTER OT J114735.91+001717.7
Coordinates (J2000): RA = 11:47:35.910 (176.899625) DEC = +00:17:17.70 (0.28825)
Discovery date: 2026-05-10 00:41:11.000 (JD=2461170.5285995)
Remarks: optical counterpart of SVOM GRB 260509A T1=2026-05-10 00:41:11 (10.031377) T2=2026-05-10 00:45:03 (10.0312847)
Photometry
Discovery (first detection):
Discovery date: 2026-05-10 00:41:11.000
Flux: 20.9 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-OAFA
Last non-detection:
Last non-detection date: 2026-04-09 07:37:55
Limiting flux: 19.7 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/2026lvl
Date Received (UTC): 2026-05-10 09:20:18
Date made public:
Sender: MASTER
Reporting Group: MASTER Discovery Data Source: MASTER
O.Ershova, Ya.Kechin, V.Lipunov (Lomonosov MSU), C.Francile, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA), 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, I. Gorbunov (Lomonosov MSU), O.Gress, N.Budnev (ISU), 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 2026lvl
Discoverer internal name: MASTER OT J114735.91+001717.7
Coordinates (J2000): RA = 11:47:35.910 (176.899625) DEC = +00:17:17.70 (0.28825)
Discovery date: 2026-05-10 00:41:11.000 (JD=2461170.5285995)
Remarks: optical counterpart of SVOM GRB 260509A T1=2026-05-10 00:41:11 (10.031377) T2=2026-05-10 00:45:03 (10.0312847)
Photometry
Discovery (first detection):
Discovery date: 2026-05-10 00:41:11.000
Flux: 20.9 VegaMag
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: MASTER-OAFA
Last non-detection:
Last non-detection date: 2026-04-09 07:37:55
Limiting flux: 19.7 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/2026lvl