|
gptkbp:instanceOf
|
gptkb:star
red supergiant
|
|
gptkbp:apparentMagnitude
|
2.63
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Serpentis
|
|
gptkbp:catalogue
|
gptkb:HIP_77070
gptkb:SAO_121655
gptkb:HD_143107
gptkb:HR_5947
FK5 589
ADS 9617
BD+06 3207
GC 21313
WDS J15444+0625
|
|
gptkbp:constellation
|
gptkb:Serpens
|
|
gptkbp:declination
|
+06° 25′ 32″
|
|
gptkbp:diameter
|
12 solar radii
|
|
gptkbp:distanceFromEarth
|
75 light years
23.1 parsecs
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:FlamsteedDesignation
|
gptkb:24_Serpentis
|
|
gptkbp:hasCompanion
|
α Serpentis B
α Serpentis C
|
|
gptkbp:hasTraditionalName
|
gptkb:Cor_Serpentis
gptkb:Unukalhai
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
gptkb:Southern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
α Serpentis
|
|
gptkbp:isPrimaryStarOf
|
gptkb:Serpens_constellation
|
|
gptkbp:locatedIn
|
gptkb:Serpens_Caput
|
|
gptkbp:luminosity
|
70 times solar luminosity
|
|
gptkbp:mass
|
1.66 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.03
|
|
gptkbp:otherName
|
gptkb:Cor_Serpentis
gptkb:Unukalhai
|
|
gptkbp:parallax
|
43.33 mas
|
|
gptkbp:properMotionRA
|
-44.14 mas/yr
-44.99 mas/yr
|
|
gptkbp:radialVelocity
|
-10.6 km/s
|
|
gptkbp:rightAscension
|
15h 44m 16.1s
|
|
gptkbp:spectralType
|
K2III
|
|
gptkbp:temperature
|
4,498 K
|
|
gptkbp:variableStar
|
no
|
|
gptkbp:bfsParent
|
gptkb:Alpha_Serpentis
|
|
gptkbp:bfsLayer
|
7
|