Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
stellar classification |
| gptkbp:apparentMagnitude |
6.03
|
| gptkbp:catalogueNumber |
gptkb:BD+38°4343
gptkb:Gliese_820_B gptkb:HD_201091 gptkb:HIP_104217 |
| gptkbp:constellation |
gptkb:Cygnus
|
| gptkbp:declination |
+38° 44′ 30″
|
| gptkbp:diameter |
0.665 solar radii
|
| gptkbp:discoveredBy |
gptkb:Giuseppe_Piazzi
|
| gptkbp:discoveredIn |
1792
|
| gptkbp:distanceFromEarth |
11.4 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
K7V (Gliese 820 B)
|
| gptkbp:luminosity |
0.085 solar luminosities
|
| gptkbp:mass |
0.63 solar masses
|
| gptkbp:metallicity |
−0.20 [Fe/H]
|
| gptkbp:orbitType |
659 years (with 61 Cygni A)
|
| gptkbp:otherName |
gptkb:Gliese_820_B
gptkb:61_Cygni_B |
| gptkbp:parallax |
286.82 mas
|
| gptkbp:partOf |
gptkb:61_Cygni_system
|
| gptkbp:properMotionRA |
over 5000 mas/yr
|
| gptkbp:rightAscension |
21h 06m 54.8s
|
| gptkbp:separationFromPrimary |
84 AU (average from 61 Cygni A)
|
| gptkbp:spectralType |
gptkb:K7V
|
| gptkbp:bfsParent |
gptkb:Gliese_820
|
| gptkbp:bfsLayer |
8
|