Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
4.67
|
| gptkbp:component |
gptkb:Double_Double
|
| gptkbp:declination |
+39° 40′ 12″
|
| gptkbp:diameter |
2.2 solar radii
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1779
|
| gptkbp:distanceFromEarth |
162 light years
|
| gptkbp:hasCompanion |
gptkb:Epsilon2_Lyrae
|
| https://www.w3.org/2000/01/rdf-schema#label |
Epsilon1 Lyrae
|
| gptkbp:locatedIn |
constellation Lyra
|
| gptkbp:luminosity |
27 times solar luminosity
|
| gptkbp:mass |
2.3 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.03
|
| gptkbp:otherDesignation |
gptkb:HD_172167
gptkb:HIP_91262 gptkb:HR_7001 |
| gptkbp:parallax |
20.13 mas
|
| gptkbp:partOf |
gptkb:Epsilon_Lyrae
|
| gptkbp:properMotionRA |
-35.31 mas/yr
-48.28 mas/yr |
| gptkbp:rightAscension |
18h 44m 20.3s
|
| gptkbp:rotationPeriod |
165 km/s
|
| gptkbp:spectralType |
gptkb:A3V
|
| gptkbp:temperature |
9100 K
|
| gptkbp:variant |
no
|
| gptkbp:bfsParent |
gptkb:Epsilon_Lyrae
|
| gptkbp:bfsLayer |
7
|