Statements (64)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Pi_Ursae_Majoris
|
| gptkbp:age |
approximately 1.5 billion years
|
| gptkbp:apparent_magnitude |
4.03
4.53 |
| gptkbp:area |
approximately 10 solar radii
approximately 12 solar radii |
| gptkbp:average_temperature |
approximately 4,800 K
|
| gptkbp:category |
also known as Alkaid
traditional name is ' Alkaid' |
| gptkbp:constellation |
gptkb:Ursa_Major
|
| gptkbp:contains |
gptkb:star
none known |
| gptkbp:controls |
multiple star system
|
| gptkbp:coordinates |
approximately 150 degrees
approximately +60 degrees l = 150.0°, b = +50.0° l = 120°, b = +30° |
| gptkbp:cultural_heritage |
gptkb:34_Ursae_Majoris
|
| gptkbp:cultural_significance |
used in navigation by various cultures
|
| gptkbp:depicted_in |
visible to the naked eye
|
| gptkbp:discovered_by |
gptkb:William_Herschel
astrometry |
| gptkbp:distance |
approximately 50 light years
|
| gptkbp:eccentricity |
0.5
|
| gptkbp:exhibition |
2 MASS J11582380+5500282
Gaia D R2 3600520521982000640 HR 4260 SDSS J115823.80+550028.2 |
| gptkbp:game_components |
π Ursae Majoris A
π Ursae Majoris B π Ursae Majoris C |
| gptkbp:has_color |
+1.06
+1.25 |
| gptkbp:has_friend |
π Ursae Majoris B
π Ursae Majoris C |
| gptkbp:has_gameplay_element |
Keplerian elements available
|
| gptkbp:has_luminosity |
approximately 50 solar luminosities
approximately 60 solar luminosities |
| gptkbp:has_setting |
gptkb:HIP_53543
HIP 56083 |
| gptkbp:has_spectral_type |
gptkb:K0_III
|
| gptkbp:has_team |
-0.020 arcseconds/year
-0.045 arcseconds/year +0.020 arcseconds/year |
| gptkbp:historical_significance |
part of the Big Dipper asterism
|
| https://www.w3.org/2000/01/rdf-schema#label |
π Ursae Majoris
|
| gptkbp:leadership |
gptkb:HD_94720
gptkb:HD_100453 |
| gptkbp:lighting |
variable star light curve available
|
| gptkbp:marketed_as |
gptkb:π_Ursae_Majoris
|
| gptkbp:mass |
approximately 2.5 solar masses
|
| gptkbp:metallicity |
+0.1 dex
approximately +0.1 dex |
| gptkbp:orbital_inclination |
approximately 45 degrees
|
| gptkbp:orbital_period |
approximately 30 days
approximately 60 degrees approximately 2000 years |
| gptkbp:parallax |
0.065 arcseconds
|
| gptkbp:research |
observed since ancient times
|
| gptkbp:semi_major_axis |
approximately 1000 AU
|
| gptkbp:year_created |
1825
1830 |