Statements (103)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 1.5 billion years
nan |
| gptkbp:apparent_magnitude |
3.56
|
| gptkbp:average_temperature |
approximately 4,600 K
around 4,500 K |
| gptkbp:components |
the local stellar population
|
| gptkbp:contains_star |
none known
|
| gptkbp:country |
nan
|
| gptkbp:distance |
5.5 mag
|
| gptkbp:distance_from_earth |
approximately 50 light years
|
| gptkbp:has_a_color_index_(b-v) |
+1.5
|
| gptkbp:has_a_focus_on |
stellar population studies
|
| gptkbp:has_a_proper_motion_in_dec |
-0.020 mas/yr
|
| gptkbp:has_a_proper_motion_in_ra |
-0.020 mas/yr
|
| gptkbp:has_bayer_designation |
gptkb:γ_Hydrae
|
| gptkbp:has_color |
+1.45
|
| gptkbp:has_historical_significance |
notable in ancient astronomy
|
| gptkbp:has_luminosity |
approximately 500 times that of the Sun
about 300 times that of the Sun |
| gptkbp:has_mechanic |
-0.01 arcseconds/year
-0.02 arcseconds/year |
| gptkbp:has_radius |
approximately 40 times that of the Sun
about 30 times that of the Sun |
| gptkbp:has_spectral_type |
gptkb:K3_III
K-type stars |
| gptkbp:has_title |
gptkb:Gamma_Hydrae
nan |
| gptkbp:head_of_state |
nan
|
| https://www.w3.org/2000/01/rdf-schema#label |
gamma Hydrae
|
| gptkbp:included |
astronomical databases
star charts various star catalogs |
| gptkbp:is_a |
gptkb:Giant
|
| gptkbp:is_a_member_of |
the Galactic disk
|
| gptkbp:is_a_reference_for |
celestial navigation
stellar distance measurements |
| gptkbp:is_a_source_of |
stellar wind
|
| gptkbp:is_a_subject_of |
stellar dynamics
stellar astrophysics stellar spectroscopy |
| gptkbp:is_analyzed_in |
its light curve
|
| gptkbp:is_approximately |
50 light years away
|
| gptkbp:is_associated_with |
gptkb:exoplanet
stellar classification systems the Galactic halo |
| gptkbp:is_included_in_the_list_of |
bright stars
|
| gptkbp:is_involved_in |
stellar classification
stellar evolution |
| gptkbp:is_known_for |
its brightness
its position in the sky its stability in brightness |
| gptkbp:is_located_in |
gptkb:Hydra_constellation
constellation Hydra |
| gptkbp:is_noted_for |
its stability
its color |
| gptkbp:is_observed_in |
amateur astronomers
telescopes various wavelengths various astronomical studies |
| gptkbp:is_often_compared_to |
other K-type giants
|
| gptkbp:is_often_described_as |
gptkb:Gamma_Hydrae
|
| gptkbp:is_often_seen_in |
stellar photometry studies
|
| gptkbp:is_part_of |
gptkb:Hertzsprung–_Russell_diagram
gptkb:Milky_Way_galaxy galactic structure studies star formation regions the celestial sphere stellar population studies constellation mythology stellar evolution theories stellar associations stellar catalogues |
| gptkbp:is_referenced_in |
astronomical literature
|
| gptkbp:is_related_to |
other stars in Hydra
|
| gptkbp:is_studied_for |
stellar dynamics
its evolutionary stage |
| gptkbp:is_studied_in |
gptkb:astronomy
|
| gptkbp:is_used_in |
gptkb:navigation
astrophysics research astrophysical research stellar distance measurements |
| gptkbp:is_visible_from |
gptkb:true
southern hemisphere nan |
| gptkbp:known_as |
gptkb:GJ_1001
|
| gptkbp:mass |
about 3 times that of the Sun
nan approximately 3 times that of the Sun |
| gptkbp:metallicity |
+0.1 dex
[ Fe/ H] = -0.2 |
| gptkbp:named_after |
the Hydra constellation
|
| gptkbp:notable_examples |
stellar evolution in K-type stars
|
| gptkbp:notable_galaxies |
nan
|
| gptkbp:notable_nominees |
exoplanet searches
|
| gptkbp:scientific_classification |
gptkb:star
giant stars a red giant star giant stars in astronomy |
| gptkbp:specification |
gptkb:HD_82328
|
| gptkbp:system |
nan
|
| gptkbp:targets |
stellar evolution studies
|
| gptkbp:vision |
nan
|