|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
approximately 1.5 billion years
1.5 billion years
|
|
gptkbp:apparent_magnitude
|
3.5
3.65
|
|
gptkbp:average_temperature
|
4,800 K
|
|
gptkbp:constellation
|
gptkb:Ursa_Major
|
|
gptkbp:country
|
no known planets
|
|
gptkbp:cultural_heritage
|
gptkb:24_Ursae_Majoris
|
|
gptkbp:declination
|
+54° 24' 36"
|
|
gptkbp:discovery_year
|
gptkb:unknown
1783
|
|
gptkbp:distance
|
80 light years
|
|
gptkbp:distance_from_earth
|
80 light years
|
|
gptkbp:exhibition
|
gptkb:BD+54°_1973
HR 4690
SAO 25600
|
|
gptkbp:has_bayer_designation
|
gptkb:θ_Ursae_Majoris
|
|
gptkbp:has_color
|
1.1
+1.2
|
|
gptkbp:has_henry_draper_designation
|
gptkb:HD_97048
|
|
gptkbp:has_historical_significance
|
gptkb:true
|
|
gptkbp:has_lore
|
gptkb:true
|
|
gptkbp:has_luminosity
|
50 solar luminosities
approximately 70 solar luminosities
|
|
gptkbp:has_mechanic
|
-0.12 arcseconds/year
-0.15 arcseconds/year
-0.01 arcseconds/year
+0.02 arcseconds/year
|
|
gptkbp:has_method
|
Visual observation
|
|
gptkbp:has_name_in_arabic
|
gptkb:Alkaid
|
|
gptkbp:has_radius
|
10 solar radii
approximately 12 solar radii
|
|
gptkbp:has_spectral_type
|
gptkb:K0_III
|
|
gptkbp:has_title
|
HIP 54600
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Theta Ursae Majoris
|
|
gptkbp:is_giant_star
|
gptkb:true
|
|
gptkbp:is_in_astronomical_catalogs
|
gptkb:true
|
|
gptkbp:is_in_astrophotography
|
gptkb:true
|
|
gptkbp:is_in_astrophysical_models
|
gptkb:true
|
|
gptkbp:is_in_astrophysical_research
|
gptkb:true
|
|
gptkbp:is_in_binary_system
|
false
|
|
gptkbp:is_in_cosmological_studies
|
gptkb:true
|
|
gptkbp:is_in_exoplanetary_system
|
false
|
|
gptkbp:is_in_galactic_structure_studies
|
gptkb:true
|
|
gptkbp:is_in_globular_cluster
|
false
|
|
gptkbp:is_in_open_cluster
|
false
|
|
gptkbp:is_in_spectroscopic_binary
|
false
|
|
gptkbp:is_in_star_cluster
|
false
|
|
gptkbp:is_in_star_formation_history
|
gptkb:true
|
|
gptkbp:is_in_star_formation_region
|
false
|
|
gptkbp:is_in_star_system
|
single star system
|
|
gptkbp:is_in_stellar_evolution_studies
|
gptkb:true
|
|
gptkbp:is_in_stellar_population_studies
|
gptkb:true
|
|
gptkbp:is_part_of
|
gptkb:Ursa_Major_I_Group
gptkb:Big_Dipper
gptkb:Milky_Way_Galaxy
Ursa Major constellation family
|
|
gptkbp:is_part_of_star_catalog
|
gptkb:Hipparcos_Catalog
|
|
gptkbp:is_visible_from
|
gptkb:true
visible to the naked eye
|
|
gptkbp:is_visible_in_northern_hemisphere
|
gptkb:true
|
|
gptkbp:language
|
Theta Ursae Majoris (Latin)
θ UMa (Abbreviation)
|
|
gptkbp:located_in
|
Ursa Major constellation
|
|
gptkbp:mass
|
2.5 solar masses
approximately 2.5 solar masses
|
|
gptkbp:metallicity
|
+0.1 dex
|
|
gptkbp:navigation_system
|
gptkb:true
|
|
gptkbp:notable_for
|
being part of the Big Dipper asterism
|
|
gptkbp:research
|
observed since antiquity
|
|
gptkbp:right_ascension
|
10h 45m 24s
|
|
gptkbp:speed
|
-20 km/s
|
|
gptkbp:surface
|
2.5 cm/s²
|
|
gptkbp:bfsParent
|
gptkb:Ursa_Major
|
|
gptkbp:bfsLayer
|
5
|