|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
6.0 billion years
|
|
gptkbp:apparentMagnitude
|
5.21
6.24
|
|
gptkbp:catalogueNumber
|
gptkb:HD_201091
gptkb:BD+38_4343
gptkb:Gliese_820A
gptkb:HIP_104214
HR 8085
LHS 63
LTT 16250
SAO 70890
|
|
gptkbp:colorIndexB-V
|
1.18
1.12
|
|
gptkbp:constellation
|
gptkb:Cygnus
|
|
gptkbp:declination
|
+38° 44′ 57.9″
|
|
gptkbp:diameter
|
0.665 solar radii
|
|
gptkbp:discoveredIn
|
1792
|
|
gptkbp:distanceFromEarth
|
11.4 light years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:hasCompanion
|
gptkb:HIP_104217_(61_Cygni_B)
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HIP 104214 (61 Cygni A)
|
|
gptkbp:luminosity
|
0.15 solar luminosities
|
|
gptkbp:mass
|
0.70 solar masses
|
|
gptkbp:metallicity
|
-0.20 [Fe/H]
|
|
gptkbp:notableFor
|
first star to have its distance measured by parallax
high proper motion
|
|
gptkbp:orbitalPeriodWithCompanion
|
659 years
|
|
gptkbp:parallax
|
286.82 mas
|
|
gptkbp:partOf
|
gptkb:61_Cygni_system
|
|
gptkbp:properMotionRA
|
over 5 arcseconds/year
|
|
gptkbp:radialVelocity
|
-65.9 km/s
|
|
gptkbp:rightAscension
|
21h 06m 53.94s
|
|
gptkbp:rotationPeriod
|
35.37 days
|
|
gptkbp:separationFromCompanion
|
about 84 AU
|
|
gptkbp:spectralType
|
K5V
|
|
gptkbp:temperature
|
4450 K
|
|
gptkbp:variableStar
|
gptkb:V420_Cygni
|
|
gptkbp:bfsParent
|
gptkb:ADS_14636
|
|
gptkbp:bfsLayer
|
8
|