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gptkbp:instance_of
|
gptkb:star
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|
gptkbp:age
|
1 billion years
|
|
gptkbp:apparent_magnitude
|
4.5
3.2
|
|
gptkbp:average_temperature
|
5,800 K
approximately 4,500 K
|
|
gptkbp:contains_star
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gptkb:zeta_Hydrae_B
|
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gptkbp:has_bayer_designation
|
gptkb:Zeta_Hydrae
|
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gptkbp:has_color
|
1.5
|
|
gptkbp:has_henry_draper_designation
|
gptkb:HD_82328
|
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gptkbp:has_luminosity
|
about 400 times that of the Sun
|
|
gptkbp:has_mechanic
|
-0.01, -0.02 arcseconds/year
|
|
gptkbp:has_radius
|
approximately 30 times that of the Sun
1.2 times the radius of the Sun
|
|
gptkbp:has_spectral_type
|
gptkb:K3_III
G5 V
|
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gptkbp:has_title
|
gptkb:HIP_46656
the third star in the Hydra constellation
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|
https://www.w3.org/2000/01/rdf-schema#label
|
zeta Hydrae
|
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gptkbp:included
|
star charts
|
|
gptkbp:is_a
|
gptkb:Giant
|
|
gptkbp:is_approximately
|
50 light years away from Earth
|
|
gptkbp:is_associated_with
|
the constellation's mythology
|
|
gptkbp:is_considered_as
|
a reference point for celestial navigation
|
|
gptkbp:is_displayed_in
|
the Bright Star Catalog
|
|
gptkbp:is_known_for
|
its historical significance in navigation.
being a binary star system
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gptkbp:is_located_in
|
gptkb:Hydra_constellation
|
|
gptkbp:is_located_near
|
70 light years from Earth
|
|
gptkbp:is_moving_away_from_earth
|
gptkb:true
|
|
gptkbp:is_notable_for
|
its position in the sky
|
|
gptkbp:is_noted_for
|
its brightness
its color
|
|
gptkbp:is_observed_in
|
telescopes
amateur astronomy
|
|
gptkbp:is_part_of
|
gptkb:Hydra_constellation
gptkb:Milky_Way_galaxy
the celestial sphere
the celestial navigation system
the HR catalog
the local stellar neighborhood
the Milky Way's stellar population
the Hydra constellation family
|
|
gptkbp:is_referenced_in
|
astronomical literature
|
|
gptkbp:is_studied_in
|
stellar evolution research
|
|
gptkbp:is_used_in
|
navigational astronomy
stellar classification studies
|
|
gptkbp:is_visible_from
|
gptkb:true
southern hemisphere
|
|
gptkbp:mass
|
1.1 times the mass of the Sun
|
|
gptkbp:scientific_classification
|
gptkb:Giant
K-type stars
|
|
gptkbp:type_of
|
gptkb:main-sequence_star
|