Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
variable star |
| gptkbp:age |
1.7 billion years
|
| gptkbp:apparentMagnitude |
4.57
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:constellation |
gptkb:Corona_Borealis
|
| gptkbp:declination |
+33° 51′ 31″
|
| gptkbp:diameter |
6.4 solar radii
|
| gptkbp:discoveredBy |
gptkb:John_Flamsteed
|
| gptkbp:distanceFromEarth |
170 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Delta Coronae Borealis
|
| gptkbp:luminosity |
24 times solar luminosity
|
| gptkbp:mass |
1.7 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.20
|
| gptkbp:otherDesignation |
gptkb:δ_CrB
gptkb:BD+34_2662 gptkb:HD_141714 gptkb:HIP_77512 gptkb:HR_5895 |
| gptkbp:parallax |
19.19 mas
|
| gptkbp:rightAscension |
16h 15m 27.6s
|
| gptkbp:rotationPeriod |
1.2 km/s
|
| gptkbp:spectralType |
G3.5III
|
| gptkbp:temperature |
5,100 K
|
| gptkbp:variableType |
variable star
|
| gptkbp:bfsParent |
gptkb:Corona_Borealis
|
| gptkbp:bfsLayer |
7
|