Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
red supergiant |
| gptkbp:age |
330 million years
|
| gptkbp:apparentMagnitude |
3.49
|
| gptkbp:BayerDesignation |
gptkb:β_Boötis
|
| gptkbp:catalogueNumber |
HD 121370
HIP 67927 HR 5235 |
| gptkbp:colorIndexB-V |
+0.98
+0.77 |
| gptkbp:constellation |
gptkb:Boötes
|
| gptkbp:declination |
+40° 23′ 26″
|
| gptkbp:diameter |
17 solar radii
|
| gptkbp:distanceFromEarth |
219 light years
|
| gptkbp:eponymOf |
Nekkar (Arabic for 'herdsman')
|
| gptkbp:FlamsteedDesignation |
gptkb:23_Boötis
|
| gptkbp:hasViewOf |
gptkb:Northern_Hemisphere
|
| https://www.w3.org/2000/01/rdf-schema#label |
Beta Boötis
|
| gptkbp:luminosity |
170 times solar luminosity
|
| gptkbp:mass |
2.7 solar masses
|
| gptkbp:metallicity |
−0.08
|
| gptkbp:otherName |
gptkb:Nekkar
|
| gptkbp:parallax |
14.89 mas
|
| gptkbp:properMotionRA |
+70.26 mas/yr
−61.39 mas/yr |
| gptkbp:radialVelocity |
−8.6 km/s
|
| gptkbp:rightAscension |
15h 01m 56.8s
|
| gptkbp:spectralType |
G8IIIa
|
| gptkbp:temperature |
4,860 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Nekkar
|
| gptkbp:bfsLayer |
7
|