Statements (37)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
gptkb:the_Sun
nan |
| gptkbp:apparent_magnitude |
4.95
|
| gptkbp:application |
expanding and cooling
|
| gptkbp:average_temperature |
around 3,800 K
around 4,600 K |
| gptkbp:contains_star |
nan
|
| gptkbp:has_luminosity |
about 1,000 times that of the Sun
about 500 times that of the Sun |
| gptkbp:has_mechanic |
in declination of -0.02 arcseconds/year
in right ascension of -0.01 arcseconds/year |
| gptkbp:has_radius |
about 50 times that of the Sun
about 40 times that of the Sun |
| gptkbp:has_spectral_type |
gptkb:K3_III
gptkb:M3_III K giant stars |
| https://www.w3.org/2000/01/rdf-schema#label |
Phi Hydrae
|
| gptkbp:is_a_member_of |
gptkb:the_Milky_Way_galaxy
|
| gptkbp:is_approximately |
130 light years away from Earth
130 light years away |
| gptkbp:is_located_in |
the constellation Hydra
|
| gptkbp:is_often_described_as |
the ' Hydra's Heart'
the 39th star in the constellation Hydra |
| gptkbp:is_part_of |
gptkb:Hertzsprung–_Russell_diagram
|
| gptkbp:is_used_in_astronomy |
for various studies of stellar evolution
|
| gptkbp:is_visible_from |
nan
in bright light pollution areas |
| gptkbp:known_as |
HD 84737
|
| gptkbp:mass |
nan
|
| gptkbp:metallicity |
slightly higher than solar
|
| gptkbp:notable_galaxies |
nan
|
| gptkbp:notable_nominees |
stellar population studies
|
| gptkbp:scientific_classification |
a K-type star
a variable star |
| gptkbp:system |
nan
|
| gptkbp:type_of |
gptkb:Giant
|