› Forums › Deep Sky › SN 2021hem – an apparently “hostless” supernova in Hercules › LMC at z=0.035
4 April 2021 at 11:49 pm
#584054
Robin Leadbeater
Participant
I just did a quick back of envelope check based on the LMC. using 0.9 integrated v mag and 50kpc distance gives an absolute magnitude of ~-17.5. At a distance of 150Mpc (z=0.035) this would give an apparent magnitude of ~ 18.5 which would be easily visible in the SDSS image
Cheers
Robin