AT2025oys (via TNS)

First reported by: GOTO

Volunteers who marked this as real:

Antonio Pasqua, M.T. Mazzucato, Henryk Krawczyk, Pietro Maiorana, Cledison Marcos da Silva, Mayahuel Torres Guerrero, Svetoslav Alexandrov, Rosemary Billington, Minrui Ning, Jason Alarcon
GOTO discovery observation: 2025-06-25 23:28:20
Volunteer consensus: 92.0%

Subject 110364631

Kilonova Seekers subject for GOTO25efg

Classification: None

moriarty contextual classification

GOTO133558.33+154844.36 is likely associated with the B=18.08 mag galaxy HyperLEDA 1493846 in the gladeplus_galaxies, ps1_stackobjectview_minimal catalogs (8.37” away). Probability of connection 99.903% – host is at 440.1 Mpc (z=0.0929+/-0.0361*), implying a transient absolute magnitude of -19.02 and sky-projected offset of 14.96 kpc. This transient is spatially coincident with the clusters ZwCl 6087, ZwCl 6104

Aladin view

Additional information

NASA Extragalactic Database
SIMBAD

Legacy Survey DR10 (if available)

Legacy Survey