TNS Astronomical Transient Report No. 246757 [ 2025TNSTR.895....1R ]
Date Received (UTC): 2025-03-05 13:05:14
Date made public:
Sender: Fritz
Reporting Group: ZTF Discovery Data Source: ZTF
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025djm
Discoverer internal name: ZTF21aalkoea
Coordinates (J2000): RA = 19:46:55.758 (296.7323247) DEC = +60:38:21.13 (60.6392028)
Discovery date: 2025-02-17 12:24:07.001 (JD=2460724.0167477)
Remarks: Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).
Photometry
Discovery (first detection):
Discovery date: 2025-02-17 12:24:07.001
Flux: 16.9639 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Archival info: Other
Remarks: No non-detections prior to first detection in ZTF Public, ZTF Public+Partnership alert streams
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025djm
Date Received (UTC): 2025-03-05 13:05:14
Date made public:
Sender: Fritz
Reporting Group: ZTF Discovery Data Source: ZTF
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025djm
Discoverer internal name: ZTF21aalkoea
Coordinates (J2000): RA = 19:46:55.758 (296.7323247) DEC = +60:38:21.13 (60.6392028)
Discovery date: 2025-02-17 12:24:07.001 (JD=2460724.0167477)
Remarks: Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).
Photometry
Discovery (first detection):
Discovery date: 2025-02-17 12:24:07.001
Flux: 16.9639 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Archival info: Other
Remarks: No non-detections prior to first detection in ZTF Public, ZTF Public+Partnership alert streams
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025djm

