Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
binary star system |
| gptkbp:apparentMagnitude |
3.5
|
| gptkbp:BayerDesignation |
gptkb:β_Boötis
|
| gptkbp:constellation |
gptkb:Boötes
|
| gptkbp:declination |
+40° 23′ 26″
|
| gptkbp:diameter |
17 solar radii
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1781
|
| gptkbp:distanceFromEarth |
219 light years
|
| gptkbp:FlamsteedDesignation |
gptkb:23_Boötis
|
| gptkbp:hasCompanion |
β Boötis B
|
| https://www.w3.org/2000/01/rdf-schema#label |
β Boötis
|
| gptkbp:luminosity |
170 times Sun
|
| gptkbp:mass |
2.7 solar masses
|
| gptkbp:otherName |
gptkb:Nekkar
|
| gptkbp:parallax |
0.18 mas
14.89 mas |
| gptkbp:properMotionRA |
+49.09 mas/yr
-61.38 mas/yr |
| gptkbp:rightAscension |
15h 01m 56.8s
|
| gptkbp:SIMBAD |
bet+Boo
|
| gptkbp:spectralType |
G8IIIa
|
| gptkbp:temperature |
4,860 K
|
| gptkbp:variableStar |
suspected
|
| gptkbp:bfsParent |
gptkb:Nekkar
|
| gptkbp:bfsLayer |
7
|