Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
6.0 billion years
|
| gptkbp:apparentMagnitude |
6.2
5.95 |
| gptkbp:colorIndexB-V |
1.18
|
| gptkbp:declination |
+38° 44′ 57″
|
| gptkbp:diameter |
0.66 solar radii
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:discoveredIn |
1792
|
| gptkbp:distanceFromEarth |
11.0 light years
|
| gptkbp:hasCompanion |
gptkb:Gliese_820B
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gliese 820A
|
| gptkbp:locatedIn |
constellation Draco
|
| gptkbp:luminosity |
0.15 solar luminosities
|
| gptkbp:mass |
0.69 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.23
|
| gptkbp:otherName |
gptkb:BD+38°4343
gptkb:61_Cygni_A gptkb:HD_201091 gptkb:LHS_64 gptkb:HIP_104214 |
| gptkbp:parallax |
296.36 mas
|
| gptkbp:partOf |
gptkb:Gliese_820_system
|
| gptkbp:properMotionRA |
2.9 arcsec/year
|
| gptkbp:radialVelocity |
-65.9 km/s
|
| gptkbp:rightAscension |
21h 06m 53.9s
|
| gptkbp:rotationPeriod |
35.37 days
|
| gptkbp:spectralType |
K5V
|
| gptkbp:variableType |
gptkb:BY_Draconis
|
| gptkbp:bfsParent |
gptkb:Bessel_G
gptkb:Bessel_W |
| gptkbp:bfsLayer |
7
|