Statements (36)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 5 billion years
approximately 1 billion years |
| gptkbp:apparent_magnitude |
5.5
6.57 |
| gptkbp:average_temperature |
approximately 5,200 K
|
| gptkbp:contains_star |
K-type main-sequence star
|
| gptkbp:distance_from_earth |
approximately 70 light years
|
| gptkbp:has_color |
1.2
|
| gptkbp:has_companion |
none known
|
| gptkbp:has_luminosity |
approximately 1,000 times that of the Sun
about 0.4 times that of the Sun approximately 0.5 times that of the Sun |
| gptkbp:has_radius |
approximately 60 solar radii
|
| gptkbp:has_spectral_type |
gptkb:M3_III
K0 V |
| https://www.w3.org/2000/01/rdf-schema#label |
Zeta Hydrae B
|
| gptkbp:is_a_member_of |
the Galactic disk
|
| gptkbp:is_approximately |
50 light-years away from Earth
|
| gptkbp:is_associated_with |
stellar activity
|
| gptkbp:is_known_for |
its variability
|
| gptkbp:is_often_compared_to |
other K-type stars
|
| gptkbp:is_often_described_as |
gptkb:Zeta_Hydrae_B
|
| gptkbp:is_often_referenced_in |
K-type stars
|
| gptkbp:is_part_of |
the Hertzsprung-Russell diagram
the solar neighborhood the spectral class K |
| gptkbp:is_the_secondary_star_of |
the Zeta Hydrae system
|
| gptkbp:lighting |
magnitude 6.0
|
| gptkbp:mass |
approximately 1.5 solar masses
about 0.8 solar masses |
| gptkbp:notable_nominees |
planetary system formation
|
| gptkbp:part_of |
gptkb:Zeta_Hydrae_system
|
| gptkbp:rotation_period |
about 25 days
|
| gptkbp:type |
red giant
spectral type K |