SN 1993J

GPTKB entity

Properties (24)
Predicate Object
gptkbp:instanceOf star
gptkbp:associatedWith gamma-ray bursts
gptkbp:collaborations involved many international observatories
gptkbp:colors produced light echoes observed in subsequent years
gptkbp:conservationEfforts remains are still being studied
gptkbp:established gptkb:P._M._Garnavich
gptkbp:firstGeneration massive star, likely a red supergiant
gptkbp:fuelType about 1.5 x 10^51 ergs
gptkbp:historicalSignificance important for studying stellar evolution and death.
https://www.w3.org/2000/01/rdf-schema#label SN 1993J
gptkbp:impact helped improve understanding of supernova mechanisms
gptkbp:length approximately 12 million light-years
gptkbp:lighting exhibited a plateau phase
gptkbp:locatedIn galaxy M81
gptkbp:notableFor one of the closest supernovae observed in the last century
gptkbp:officialResidence extensive photometric and spectroscopic data available
gptkbp:relatedEvent ongoing studies of its remnants and surrounding environment
gptkbp:releaseYear March 28, 1993
gptkbp:type supernova remnant
Type IIb supernova
showed hydrogen and helium lines
gptkbp:unitAwards maximum magnitude of about 10.5
gptkbp:visitedBy gptkb:Hubble_Space_Telescope
multiple wavelengths including optical and radio