|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
5.20
|
|
gptkbp:binarySeparation
|
about 84 AU
|
|
gptkbp:component
|
gptkb:61_Cygni_A
gptkb:61_Cygni_B
|
|
gptkbp:declination
|
+38° 44′ 57″
|
|
gptkbp:discoveredBy
|
gptkb:Giuseppe_Piazzi
|
|
gptkbp:discoveredIn
|
1792
|
|
gptkbp:distanceFromEarth
|
11.4 light years
|
|
gptkbp:hasPlanetaryCandidates
|
no confirmed planets as of 2024
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
61 Cygni system
|
|
gptkbp:locatedIn
|
gptkb:constellation_Cygnus
|
|
gptkbp:metallicity
|
slightly sub-solar
|
|
gptkbp:nearestHigherNeighbor
|
gptkb:Ross_248
|
|
gptkbp:nearestNeighborDistance
|
3.3 light years
|
|
gptkbp:notableFor
|
first star to have its parallax measured
|
|
gptkbp:orbitType
|
about 659 years
|
|
gptkbp:otherName
|
gptkb:BD+38°4343
gptkb:Gliese_820
gptkb:HD_201091/201092
gptkb:HR_8083
|
|
gptkbp:parallaxMeasuredBy
|
gptkb:Friedrich_Bessel
|
|
gptkbp:parallaxMeasurementYear
|
1838
|
|
gptkbp:properMotionRA
|
5.28 arcseconds/year
|
|
gptkbp:rightAscension
|
21h 06m 53.9s
|
|
gptkbp:spectralType
|
K5V + K7V
|
|
gptkbp:bfsParent
|
gptkb:61_Cygni_A
gptkb:61_Cygni_B
gptkb:Bessel_B
gptkb:Bessel_D
gptkb:Bessel_W
|
|
gptkbp:bfsLayer
|
7
|