On 4 March 2015, asupernova candidate, designatedPSNJ13215756+3843229, was discovered in NGC 5112 by Robert Gagliano, Dick Post,Jack Newton, andTim Puckett. Spectral analysis suggested that it was instead asupernova imposter, possibly an outburst from aluminous blue variable.[4] An outburst from this star was observed byGOTO on 4 May 2025, and designated AT 2025jsi.[5]
According to A. M. Garcia, NGC 5112 is part of the NGC 5005group (also known asLGG 334). This group of galaxies contains at least 16 members. The other galaxies in the group are:NGC 4861,NGC 5002,NGC 5005,NGC 5014,NGC 5033,NGC 5107,IC 4182,IC 4213, UGC 8181, UGC 8246, UGC 8261, UGC 8303, UGC 8314, UGC 8315, and UGC 8323.[6]
^"SN2025jsi".Transient Name Server.IAU. Retrieved21 May 2025.
^Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups".Astronomy and Astrophysics Supplement Series.100: 47.Bibcode:1993A&AS..100...47G.
Media related toNGC 5112 at Wikimedia Commons
