Thuban

GPTKB entity

Statements (87)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:age gptkb:Sun
gptkbp:apparent_magnitude 3.65
gptkbp:average_temperature approximately 4,800 K
approximately 6,000 K
gptkbp:contains_star gptkb:true
gptkbp:cultural_significance various ancient cultures
gptkbp:discovered_by ancient times
gptkbp:distance_from_earth 303 light years
gptkbp:has_color 0.1
gptkbp:has_companion none known
gptkbp:has_historical_significance pole star
ancient Egyptian astronomy
gptkbp:has_luminosity approximately 250 times that of the Sun
gptkbp:has_radius approximately 2.5 times that of the Sun
gptkbp:has_spectral_type A0 III
https://www.w3.org/2000/01/rdf-schema#label Thuban
gptkbp:is_a gptkb:main-sequence_star
gptkb:alpha_Draconis
gptkb:lighting_system
gptkb:astronomy
gptkb:multiverse
gptkb:Giant
gptkb:star
navigational star
star in the Milky Way
historical star
luminous object
stellar body
heavenly body
night sky object
gptkbp:is_approximately 303 light years away from Earth
gptkbp:is_associated_with mythology and folklore
various myths and legends
mythology of Draco constellation
the North Star's historical context
gptkbp:is_considered_as a reference point for celestial navigation
a reference star
gptkbp:is_followed_by Polaris as the North Star
gptkbp:is_found_in star catalogs
gptkbp:is_in the northern celestial hemisphere
gptkbp:is_involved_in stellar evolution
gptkbp:is_known_for its historical significance in astronomy
its position in the sky
gptkbp:is_located_in constellation Draco
gptkbp:is_mentioned_in gptkb:historical_texts
gptkbp:is_notable_for its brightness
gptkbp:is_noted_for its historical significance in astronomy
its brightness in the night sky
its role in ancient navigation
its role in the history of astronomy
its historical role as a pole star
gptkbp:is_observed_in modern astronomy
various cultures' star charts
gptkbp:is_part_of gptkb:Hertzsprung–_Russell_diagram
gptkb:Hertzsprung-Russell_diagram
gptkb:Milky_Way
gptkb:Milky_Way_galaxy
celestial navigation
multiple star system
the celestial sphere
the celestial navigation system
the celestial coordinate system
the northern hemisphere sky
the asterism known as the Dragon's Head
the night sky's landmarks
the Draco constellation family
the ancient star catalogues
gptkbp:is_recognized_by gptkb:astronomy
gptkbp:is_related_to the precession of the equinoxes
gptkbp:is_studied_for astrophysics
its spectral characteristics
gptkbp:is_used_in gptkb:navigation
star charts
astrological practices
navigation in ancient times
gptkbp:is_visible_from gptkb:true
the night sky
gptkbp:known_as gptkb:Alpha_Draconis
gptkb:Draconis
gptkbp:scientific_classification a main-sequence star
a spectral class A star
gptkbp:type_of spectral type A0
gptkbp:was_once_the_north_star gptkb:true
gptkbp:was_pole_star_during circa 2700 BC
gptkbp:bfsParent gptkb:Draco
gptkbp:bfsLayer 4