TNS Astronomical Transient Report No. 307295 [ 2026TNSTR2373....1B ]
Date Received (UTC): 2026-06-07 14:25:57
Date made public:
Sender: Cristovao Jacques
Reporting Group: BraTS Discovery Data Source: BraTS
C. Barreto, E. Pimentel, C. Jacques, J. Amancio, J. Ribeiro, L. Amaral, M. Domingues, P. Holvorcem, T. Napoleao on behalf of the Brazilian Transient Search (BraTS) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026oku
Discoverer internal name: BraTS-ROCG-T1-004
Coordinates (J2000): RA = 19:00:42.950 (285.178958) DEC = -48:31:01.70 (-48.517139)
Discovery date: 2026-05-25 01:48:15.552 (JD=2461185.57518)
Remarks: Possible CV or galactic nova. Position matches Gaia DR3 source 6662104470691570432 (G = 19.9); l = 348.3 deg, b = -21.4 deg. Listed as a Gaia DR3 QSO candidate (prob. 0.9996).
Photometry
Discovery (first detection):
Discovery date: 2026-05-25 01:48:15.552
Flux: 14.2 Other
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: 3 unfiltered frames taken with a 0.28-m f/2.2 astrograph + CCD at ROCG Observatory (MPC Observatory Code Y16); zero points calibrated to UCAC-4 magnitudes.
Last non-detection:
Last non-detection date: 2025-06-19 03:35:16
Limiting flux: 17.5 Other
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: 3 unfiltered frames taken with a 0.28-m f/2.2 astrograph + CCD at ROCG Observatory (MPC Observatory Code Y16); zero points calibrated to UCAC-4 magnitudes.
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026oku
Date Received (UTC): 2026-06-07 14:25:57
Date made public:
Sender: Cristovao Jacques
Reporting Group: BraTS Discovery Data Source: BraTS
C. Barreto, E. Pimentel, C. Jacques, J. Amancio, J. Ribeiro, L. Amaral, M. Domingues, P. Holvorcem, T. Napoleao on behalf of the Brazilian Transient Search (BraTS) report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026oku
Discoverer internal name: BraTS-ROCG-T1-004
Coordinates (J2000): RA = 19:00:42.950 (285.178958) DEC = -48:31:01.70 (-48.517139)
Discovery date: 2026-05-25 01:48:15.552 (JD=2461185.57518)
Remarks: Possible CV or galactic nova. Position matches Gaia DR3 source 6662104470691570432 (G = 19.9); l = 348.3 deg, b = -21.4 deg. Listed as a Gaia DR3 QSO candidate (prob. 0.9996).
Photometry
Discovery (first detection):
Discovery date: 2026-05-25 01:48:15.552
Flux: 14.2 Other
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: 3 unfiltered frames taken with a 0.28-m f/2.2 astrograph + CCD at ROCG Observatory (MPC Observatory Code Y16); zero points calibrated to UCAC-4 magnitudes.
Last non-detection:
Last non-detection date: 2025-06-19 03:35:16
Limiting flux: 17.5 Other
Filter: Other-
Instrument: Other
Telescope: Other
Remarks: 3 unfiltered frames taken with a 0.28-m f/2.2 astrograph + CCD at ROCG Observatory (MPC Observatory Code Y16); zero points calibrated to UCAC-4 magnitudes.
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026oku