TNS Astronomical Transient Report No. 308261 [ 2026TNSTR2473....1M ]
Date Received (UTC): 2026-06-12 20:27:06
Date made public:
Sender: Scott McClure
Reporting Group: None Discovery Data Source: ZTF
Scott McClure report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026pan
Discoverer internal name: ZTF26abalxgm
Coordinates (J2000): RA = 15:03:43.225 (225.9301038) DEC = +02:12:54.73 (2.2152025)
Discovery date: 2026-06-05 06:56:06.000 (JD=2461196.7889583)
Potential host galaxy: WISEA J150343.20+021256.1
Remarks: Transient identified by JBB Sentinel, an automated ZTF alert stream anomaly detection pipeline (Ghostline Research, ghostline.boo). Flagged on anomaly score with no SIMBAD counterpart within 5 arcsec. Host galaxy candidate WISEA J150343.20+021256.1 at 1.8 arcsec separation, no known redshift. Light curve shows rise and fade over approximately 6 days in g-band across 6 detections. Consistent with supernova in faint host galaxy pending spectroscopic classification. Host galaxy detected in SDSS/DR10 at 1.705 arcsec separation (type=3, modelMag_r=18.34, modelMag_i=17.90, modelMag_g=19.27). No spectroscopic redshift available. Transient peak ~1.9 mag fainter than host in r-band.
Photometry
Discovery (first detection):
Discovery date: 2026-06-05 06:56:06.000
Flux: 20.61 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2026-06-04 07:48:13
Limiting flux: 21.177 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: ERR: 0.486
Archival info: Other
Remarks: ZTF non-detection prior to discovery, 70 non-detections recorded in ALeRCE
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026pan
Date Received (UTC): 2026-06-12 20:27:06
Date made public:
Sender: Scott McClure
Reporting Group: None Discovery Data Source: ZTF
Scott McClure report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026pan
Discoverer internal name: ZTF26abalxgm
Coordinates (J2000): RA = 15:03:43.225 (225.9301038) DEC = +02:12:54.73 (2.2152025)
Discovery date: 2026-06-05 06:56:06.000 (JD=2461196.7889583)
Potential host galaxy: WISEA J150343.20+021256.1
Remarks: Transient identified by JBB Sentinel, an automated ZTF alert stream anomaly detection pipeline (Ghostline Research, ghostline.boo). Flagged on anomaly score with no SIMBAD counterpart within 5 arcsec. Host galaxy candidate WISEA J150343.20+021256.1 at 1.8 arcsec separation, no known redshift. Light curve shows rise and fade over approximately 6 days in g-band across 6 detections. Consistent with supernova in faint host galaxy pending spectroscopic classification. Host galaxy detected in SDSS/DR10 at 1.705 arcsec separation (type=3, modelMag_r=18.34, modelMag_i=17.90, modelMag_g=19.27). No spectroscopic redshift available. Transient peak ~1.9 mag fainter than host in r-band.
Photometry
Discovery (first detection):
Discovery date: 2026-06-05 06:56:06.000
Flux: 20.61 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Last non-detection:
Last non-detection date: 2026-06-04 07:48:13
Limiting flux: 21.177 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin
Remarks: ERR: 0.486
Archival info: Other
Remarks: ZTF non-detection prior to discovery, 70 non-detections recorded in ALeRCE
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026pan