40 Herculis B

GPTKB entity

Statements (17)
Predicate Object
gptkbp:age gptkb:the_Sun
approximately 6 billion years
gptkbp:apparent_magnitude 8.50
gptkbp:average_temperature approximately 4,800 K
gptkbp:composed_of hydrogen and helium
gptkbp:distance approximately 45 light years
gptkbp:has_binary_companion gptkb:40_Herculis_A
gptkbp:has_color gptkb:orange
gptkbp:has_luminosity 0.4 times that of the Sun
gptkbp:has_spectral_type weaker metal lines
https://www.w3.org/2000/01/rdf-schema#label 40 Herculis B
gptkbp:is_part_of gptkb:star
gptkbp:mass 0.8 solar masses
gptkbp:metallicity slightly lower than solar metallicity
gptkbp:rotation_period approximately 30 days
gptkbp:surface 4.0 m/s²
gptkbp:type_of K-type main-sequence star