T CrB

GPTKB entity

Statements (26)
Predicate Object
gptkbp:instanceOf supernova
gptkbp:apparentMagnitude 2.0 (outburst)
10.2 (quiescence)
gptkbp:catalogue SIMBAD: T+CrB
gptkbp:component white dwarf
red supergiant
gptkbp:declination +25° 55′ 12.6″
gptkbp:discoveredBy 1866
gptkbp:distanceFromEarth ~2,000 light-years
gptkbp:hostedBy gptkb:Milky_Way
https://www.w3.org/2000/01/rdf-schema#label T CrB
gptkbp:locatedIn constellation Corona Borealis
gptkbp:notableFor potential for future outburst
one of the few known recurrent novae in the Milky Way
gptkbp:orbitType 227.6 days
gptkbp:otherName gptkb:BD+25_3020
gptkb:HD_143454
gptkb:HR_5959
Nova Coronae Borealis 1866
gptkbp:outburstYears 1866
1946
gptkbp:rightAscension 15h 59m 30.16s
gptkbp:spectralType M3III + white dwarf
gptkbp:variableType symbiotic variable
gptkbp:bfsParent gptkb:T_Coronae_Borealis
gptkbp:bfsLayer 8