|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
2.23
-6.4
|
|
gptkbp:BayerDesignation
|
γ Cygni
|
|
gptkbp:catalogue
|
gptkb:HR_7796
gptkb:Hipparcos
gptkb:Henry_Draper_Catalogue
gptkb:Bright_Star_Catalogue
gptkb:HIP_105912
2MASS J20221368+4015242
BD+40 4148
HD 202904
SAO 49549
TYC 3160-2853-1
|
|
gptkbp:colorIndexB-V
|
+0.79
+0.47
|
|
gptkbp:constellation
|
gptkb:Cygnus
|
|
gptkbp:declination
|
+40° 15′ 24″
|
|
gptkbp:diameter
|
150 solar radii
|
|
gptkbp:distanceFromEarth
|
1,800 light years
|
|
gptkbp:FlamsteedDesignation
|
37 Cygni
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sadr (Gamma Cygni)
|
|
gptkbp:luminosity
|
33,000 times Sun
|
|
gptkbp:mass
|
12 solar masses
|
|
gptkbp:notableFeature
|
lies at the center of the Sadr Region (IC 1318) nebula complex
central star of the Northern Cross asterism
|
|
gptkbp:otherName
|
gptkb:Gamma_Cygni
|
|
gptkbp:parallax
|
1.82 mas
|
|
gptkbp:partOf
|
gptkb:Sadr_Region_(IC_1318)
|
|
gptkbp:properMotionRA
|
-5.13 mas/yr
-3.63 mas/yr
|
|
gptkbp:radialVelocity
|
-7.0 km/s
|
|
gptkbp:rightAscension
|
20h 22m 13.7s
|
|
gptkbp:spectralType
|
F8 Iab
|
|
gptkbp:temperature
|
6,100 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Constellation_Cygnus
gptkb:Sadr_Region_(IC_1318)
|
|
gptkbp:bfsLayer
|
7
|