Castor B

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Castor
gptkbp:apparent_magnitude 1.58
1.93
2.89
gptkbp:area about 2.5 solar radii
1.8 R☉
gptkbp:average_temperature 8,200 K
7400 K
gptkbp:contains gptkb:theorem
gptkbp:controls gptkb:theorem
gptkbp:distance 51.5 light years
gptkbp:has_luminosity 20 L☉
gptkbp:has_spectral_type gptkb:A5_V
A2 V
A3 V
https://www.w3.org/2000/01/rdf-schema#label Castor B
gptkbp:is_approximately 51 light years away from Earth
gptkbp:is_part_of multiple star system
Castor system
gptkbp:located_in gptkb:Gemini_constellation
constellation Gemini
gptkbp:mass approximately 1.9 solar masses
about 2.0 solar masses
gptkbp:part_of gptkb:Gemini_constellation
Castor system
gptkbp:type_of spectroscopic binary