TNS Astronomical Transient Report No. 176108 [ 2023TNSTR.953....1W ]

Date Received (UTC): 2023-04-28 14:24:35
Date made public:
Sender: MASTER
Reporting Group: MASTER     Discovery Data Source: MASTER

Siyu Wu, V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko, G.Antipov, D.Zimnukhov, V.Senik, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D.Cheryasov, Ya.Kechin (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev (Irkutsk State University, API), L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V.Yurkov (Blagoveschensk Educational State University) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2023gxp
Discoverer internal name: MASTER OT J094606.91-005601.7
Coordinates (J2000): RA = 09:46:06.910 (146.528792) DEC = -00:56:01.70 (-0.933806)
Discovery date: 2023-04-17 18:49:01.920 (JD=2460052.28405)


Remarks: LMXB candidate, outburst since 2023-04-16 21:48:02 with unfiltered m=15.3, found in the field of Fermi GRB230415.87 during inspection

Photometry

Discovery (first detection):
Discovery date: 2023-04-17 18:49:01.920
Flux: 15.5 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: MASTER-Kislovodsk

Last non-detection:
Last non-detection date: 2012-01-26 21:36:46
Limiting flux: 20.1 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: MASTER-Kislovodsk

Details of the new object can be viewed here: https://www.wis-tns.org/object/2023gxp