TNS Astronomical Transient Report No. 257300 [ 2025TNSTR2025....1J ]
Date Received (UTC): 2025-05-29 23:37:52
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, 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, G. Paek, 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 (Oxford / QUB), C. R. Angus (QUB), K. Alexander, P. Blanchard, L. DeMarchi, A. Hajela, W. Jacobson-Galan, R. Margutti, D. Matthews, C. Stauffer, M. Stroh (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 2025mmz
Discoverer internal name: PS25dam
Coordinates (J2000): RA = 11:05:20.878 (166.336990096) DEC = +55:24:12.26 (55.4034054593)
Discovery date: 2025-05-28 06:24:14.976 (JD=2460823.76684)
Photometry
Discovery (first detection):
Discovery date: 2025-05-28 06:24:14.976
Flux: 21.28 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/2025mmz
Date Received (UTC): 2025-05-29 23:37:52
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, 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, G. Paek, 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 (Oxford / QUB), C. R. Angus (QUB), K. Alexander, P. Blanchard, L. DeMarchi, A. Hajela, W. Jacobson-Galan, R. Margutti, D. Matthews, C. Stauffer, M. Stroh (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 2025mmz
Discoverer internal name: PS25dam
Coordinates (J2000): RA = 11:05:20.878 (166.336990096) DEC = +55:24:12.26 (55.4034054593)
Discovery date: 2025-05-28 06:24:14.976 (JD=2460823.76684)
Photometry
Discovery (first detection):
Discovery date: 2025-05-28 06:24:14.976
Flux: 21.28 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/2025mmz

