Statements (56)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 1.5 billion years
|
| gptkbp:apparent_magnitude |
4.3
-1.5 |
| gptkbp:astrophysical_research |
subject of various astrophysical studies.
|
| gptkbp:average_temperature |
approximately 4,800 K
|
| gptkbp:base_notes |
noted for its brightness and color.
|
| gptkbp:constellation |
gptkb:Boötes
|
| gptkbp:contains_star |
classified as a K-type star.
no known companions. |
| gptkbp:coordinates |
approximately 210 degrees
approximately 50 degrees l = 90°, b = +30°. |
| gptkbp:declination |
+50° 30' 00"
|
| gptkbp:discovery_year |
gptkb:unknown
|
| gptkbp:distance |
approximately 130 light years
|
| gptkbp:distance_from_earth |
approximately 130 light years.
|
| gptkbp:exhibition |
included in various star catalogs.
|
| gptkbp:future_evolution |
expected to evolve into a red giant.
|
| gptkbp:has_bayer_designation |
gptkb:Kappa_Boötis
|
| gptkbp:has_color |
1.1
|
| gptkbp:has_lore |
linked to various myths in different cultures.
|
| gptkbp:has_luminosity |
approximately 60 solar luminosities
approximately 1.5 billion years. approximately 4,800 Kelvin. approximately 60 times the luminosity of the Sun. in the giant phase of its life cycle. |
| gptkbp:has_mechanic |
-0.01 arcseconds/year
-0.02 arcseconds/year |
| gptkbp:has_radius |
approximately 12 solar radii
|
| gptkbp:has_spectral_type |
gptkb:K0_III
|
| gptkbp:historical_significance |
noted in ancient astronomy.
|
| https://www.w3.org/2000/01/rdf-schema#label |
Kappa Boötis
|
| gptkbp:is_visible_from |
visible to the naked eye
|
| gptkbp:lighting |
minimal brightness variation.
not extensively studied. |
| gptkbp:location_in_sky |
northern hemisphere
|
| gptkbp:mass |
approximately 2.5 solar masses
approximately 12 times the radius of the Sun. approximately 2.5 times the mass of the Sun. |
| gptkbp:metallicity |
+0.1 dex
slightly above solar metallicity. |
| gptkbp:name |
gptkb:Kappa_Boötis
|
| gptkbp:number |
gptkb:HD_131156
gptkb:HR_5500 |
| gptkbp:previous_name |
gptkb:Kappa_Boo
|
| gptkbp:research |
can be observed with small telescopes.
observed since antiquity. |
| gptkbp:right_ascension |
14h 15m 00s
|
| gptkbp:speed |
-10 km/s
|
| gptkbp:stellar_color |
orange.
|
| gptkbp:stellar_position |
located in the constellation Boötes.
|
| gptkbp:type |
gptkb:Giant
|
| gptkbp:variable_star_type |
not a variable star.
|
| gptkbp:bfsParent |
gptkb:Bootes
|
| gptkbp:bfsLayer |
5
|