Statements (52)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
around 4.5 million years
|
| gptkbp:apparent_magnitude |
1.98
|
| gptkbp:average_temperature |
about 6,000 K
|
| gptkbp:common_name |
gptkb:Polaris
|
| gptkbp:discovered_by |
ancient astronomers
|
| gptkbp:distance_from_earth |
433 light years
|
| gptkbp:has_bayer_designation |
gptkb:α_Ursae_Minoris
|
| gptkbp:has_color |
0.15
|
| gptkbp:has_historical_significance |
used for navigation by sailors
|
| gptkbp:has_luminosity |
about 2,500 times that of the Sun
|
| gptkbp:has_magnitude_variation |
0.1 magnitude
|
| gptkbp:has_mechanic |
-0.1, -0.1 arcseconds/year
|
| gptkbp:has_radius |
about 46 times that of the Sun
|
| gptkbp:has_spectral_type |
F7 Ib
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alpha Ursae Minoris
|
| gptkbp:is_associated_with |
gptkb:the_North_Star
the concept of direction the concept of the North Pole |
| gptkbp:is_followed_by |
the constellation Ursa Major
|
| gptkbp:is_in |
gptkb:the_Milky_Way_galaxy
|
| gptkbp:is_known_for |
its historical observations by astronomers.
its brightness and position its role in timekeeping its stability in brightness being a navigational star |
| gptkbp:is_located_at |
gptkb:North_Celestial_Pole
|
| gptkbp:is_located_in |
the northern sky
|
| gptkbp:is_mentioned_in |
various historical texts
|
| gptkbp:is_observed_in |
amateur astronomers
various cultures throughout history |
| gptkbp:is_part_of |
the celestial sphere
the history of astronomy Ursa Minor constellation the celestial navigation system the asterism known as the Little Dipper the folklore of various cultures the mythology of the stars the circumpolar constellations the Ursa Minor family of stars the circumpolar stars in the Northern Hemisphere the navigation aids for explorers |
| gptkbp:is_used_in |
celestial navigation
star charts astrophotography |
| gptkbp:is_visible_from |
winter months in the Northern Hemisphere
most of the Northern Hemisphere |
| gptkbp:scientific_classification |
a supergiant star
|
| gptkbp:type_of |
gptkb:star
|
| gptkbp:bfsParent |
gptkb:Polaris
gptkb:Ursa_Minor |
| gptkbp:bfsLayer |
5
|