GOTO25ehx
SN2025otl (via TNS)
First reported by: BlackGEM
Volunteers who marked this as real:
Antonio Pasqua, M.T. Mazzucato, Valmir Martins de Morais, Henryk Krawczyk, Cledison Marcos da Silva, Mayahuel Torres Guerrero, Ciro Sirio Perrella, Svetoslav Alexandrov, Virgilio Gonano, Rosemary Billington, Lucia Maria Ferreira Lima
GOTO discovery observation: 2025-06-26 21:35:03
Volunteer consensus: 92.0%
Subject 110389484
Classification: SN Ia-91bg-like
moriarty
contextual classification
GOTO144701.56+134010.86 is likely associated with the B=14.47 mag galaxy NGC 5758 in the gladeplus_galaxies, ps1_stackobjectview_minimal catalogs (9.58” away). Probability of connection 99.975% – host is at 137.8 Mpc (z=0.0304+/-0.0009), implying a transient absolute magnitude of -17.31 and sky-projected offset of 6.03 kpc. This transient is spatially coincident with the cluster ZwCl 7028
Aladin view
Additional information
NASA Extragalactic Database
SIMBAD