Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
2.5 billion years
|
| gptkbp:apparentMagnitude |
5.02
|
| gptkbp:BayerDesignation |
η Coronae Borealis
|
| gptkbp:binarySystem |
yes
|
| gptkbp:binaryType |
visual binary
|
| gptkbp:companionMagnitude |
8.7
|
| gptkbp:companionSeparation |
6.3 arcseconds
|
| gptkbp:constellation |
gptkb:Corona_Borealis
|
| gptkbp:declination |
+30° 56′ 44″
|
| gptkbp:diameter |
1.1 solar radii
|
| gptkbp:distanceFromEarth |
58 light years
|
| gptkbp:hasCompanion |
Eta Coronae Borealis B
|
| https://www.w3.org/2000/01/rdf-schema#label |
Eta Coronae Borealis
|
| gptkbp:luminosity |
1.5 times Sun
|
| gptkbp:mass |
1.07 solar masses
|
| gptkbp:metallicity |
[Fe/H] = +0.16
|
| gptkbp:otherName |
gptkb:FK5_1342
gptkb:HD_150680 gptkb:HIP_81693 gptkb:HR_6212 ADS 10288 BD+31 2870 GC 22413 SAO 65513 WDS J16220+3057 |
| gptkbp:parallax |
56.13 mas
|
| gptkbp:rightAscension |
16h 21m 55.2s
|
| gptkbp:rotationPeriod |
2.5 km/s
|
| gptkbp:spectralType |
G0V
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Coronae_Borealis
|
| gptkbp:bfsLayer |
8
|