Statements (58)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:apparent_magnitude |
4.5
approximately 3.5 |
| gptkbp:area |
approximately 10 times that of the Sun
|
| gptkbp:average_temperature |
approximately 4,500 K
about 8,500 K |
| gptkbp:controls |
gptkb:theorem
|
| gptkbp:declination |
-0.020 arcseconds/year
|
| gptkbp:depicted_in |
gptkb:theorem
from Earth |
| gptkbp:distance |
approximately 100 light years
approximately 70 light years from Earth |
| gptkbp:has_color |
1.5
|
| gptkbp:has_luminosity |
approximately 30 times that of the Sun
approximately 50 times that of the Sun |
| gptkbp:has_spectral_type |
gptkb:K3_III
A3 V |
| gptkbp:has_team |
-0.01 arcseconds/year
-0.02 arcseconds/year |
| gptkbp:has_title |
gptkb:Zeta_Hydrae
|
| https://www.w3.org/2000/01/rdf-schema#label |
Zeta Hydrae
|
| gptkbp:includes |
Hipparcos catalog
|
| gptkbp:is_a |
gptkb:star
|
| gptkbp:is_approximately |
1.5 times the mass of the Sun
1 billion years old 2.5 times the radius of the Sun 300 million years old |
| gptkbp:is_associated_with |
stellar evolution studies
|
| gptkbp:is_featured_in |
astronomical literature
|
| gptkbp:is_known_for |
being a red giant star
Zeta Hya brightness and visibility |
| gptkbp:is_observed_in |
various telescopes
|
| gptkbp:is_often_associated_with |
star catalogs
the ' Zeta' star of Hydra |
| gptkbp:is_part_of |
gptkb:Hydra_constellation
gptkb:Hertzsprung-Russell_diagram gptkb:Milky_Way_galaxy multiple star system Galactic plane southern celestial hemisphere stellar population of the Milky Way local stellar neighborhood |
| gptkbp:is_referenced_in |
stellar classification
|
| gptkbp:is_studied_in |
astrophysics
chemical composition |
| gptkbp:located_in |
gptkb:Hydra_constellation
the constellation Hydra |
| gptkbp:marketed_as |
gptkb:Zeta_Hydrae
|
| gptkbp:members |
gptkb:Milky_Way_galaxy
|
| gptkbp:operating_system |
with a companion star
|
| gptkbp:orbital_period |
about 12 days
|
| gptkbp:right_ascension |
-0.045 arcseconds/year
|
| gptkbp:scientific_classification |
a main-sequence star
|
| gptkbp:specifies |
gptkb:HD_82328
|
| gptkbp:subject |
amateur astronomers
|
| gptkbp:targets |
exoplanet searches
|
| gptkbp:type_of |
spectroscopic binary star
|