TNS Astronomical Transient Report No. 240824 [ 2025TNSTR.124....1J ]

Date Received (UTC): 2025-01-09 07:29:08
Date made public:
Sender: YSE_Bot1
Reporting Group: YSE     Discovery Data Source: Pan-STARRS

D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello, C. R. Angus, Z. Ansari, N. Arendse, C. Gall, C. Grillo, S. H. Bruun, C. Hede, J. Hjorth, L. Izzo, H. Korhonen, S. Raimundo, D. Kodi Ramanah, A. Sarangi, R. Wojtak, H. Pfister (DARK, U Copenhagen), K. Auchettl (DARK, UC Santa Cruz, U Melbourne), K. C. Chambers, M. E. Huber, E. A. Magnier, T. J. L. de Boer, J. R. Fairlamb, C. C. Lin, R. J. Wainscoat, T. Lowe, H. Gao, A. S. B. Schultz, P. Minguez (IfA, Hawaii), A. Engel, A. Gagliano, G. Narayan, M. Soraisam (Illinois), Q. Wang (JHU), A. Rest (JHU, STScI), S. J. Smartt, K. W. Smith (Queen's University Belfast), K. Alexander, P. Blanchard, L. DeMarchi, A. Hajela, W. Jacobson-Galan, R. Margutti, D. Matthews, C. Stauffer, M. Stroh, G. Terreran (Northwestern), M. Drout (U Toronto), D. A. Coulter, G. Dimitriadis, R. J. Foley, T. Hung, C. D. Kilpatrick, C. Rojas-Bravo, M. R. Siebert (UC Santa Cruz), E. Ramirez-Ruiz (UC Santa Cruz, DARK) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025gy
Discoverer internal name: PS25bi
Coordinates (J2000): RA = 06:15:51.581 (93.964922267) DEC = +56:29:06.35 (56.4850965094)
Discovery date: 2025-01-07 09:01:33.312 (JD=2460682.87608)



Photometry

Discovery (first detection):
Discovery date: 2025-01-07 09:01:33.312
Flux: 20.94 ABMag
Filter: g-P1
Instrument: GPC2
Telescope: Pan-STARRS2

Last non-detection:
Archival info: DSS

Details of the new object can be viewed here: https://www.wis-tns.org/object/2025gy