TNS Astronomical Transient Report No. 235501 [ 2024TNSTR4832....1P ]

Date Received (UTC): 2024-12-09 13:57:00
Date made public:
Sender: Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

I. Pérez-Fournon (IAC and ULL), C. Jaén-Martín, D. Cano-Morales, A.E. Hernández-Díaz (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2024adth
Discoverer internal name: ZTF24abwjpbg
Coordinates (J2000): RA = 11:22:22.861 (170.595254) DEC = +59:04:31.49 (59.075414)
Discovery date: 2024-12-05 10:17:34.000 (JD=2460649.9288657)

Potential host galaxy: NGC 3642
Host redshift: 0.005287

Remarks: SN candidate in NGC 3642 discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. It is located 3.21" N, 38.25" E (0.7 kpc) from the galaxy centre. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF24abwjpbg/ https://alerce.online/object/ZTF24abwjpbg https://antares.noirlab.edu/loci/ANT202444wqzsg2ltxl https://fink-portal.org/ZTF24abwjpbg

Photometry

Discovery (first detection):
Discovery date: 2024-12-05 10:17:34.000
Flux: 20.586 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2024-12-03 10:45:18
Limiting flux: 19.954 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2024adth