gptkbp:instanceOf
|
gptkb:star
red supergiant
|
gptkbp:age
|
41 million years
|
gptkbp:apparentMagnitude
|
1.79
-5.1
|
gptkbp:BayerDesignation
|
gptkb:α_Persei
|
gptkbp:catalogueNumber
|
gptkb:ADS_2362
gptkb:FK5_111
HR 1017
GC 4032
HD 20902
HIP 15863
WDS J03244+4952
BD+49 741
SAO 23813
|
gptkbp:colorIndexB-V
|
+0.32
+0.48
|
gptkbp:constellation
|
gptkb:Perseus
|
gptkbp:declination
|
+49° 51′ 40″
|
gptkbp:diameter
|
60 solar radii
|
gptkbp:discoveredBy
|
ancient astronomers
|
gptkbp:distanceFromEarth
|
510 light years
|
gptkbp:FlamsteedDesignation
|
33 Persei
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
https://www.w3.org/2000/01/rdf-schema#label
|
α Persei
|
gptkbp:luminosity
|
5000 times Sun
|
gptkbp:mass
|
8.5 solar masses
|
gptkbp:metallicity
|
-0.04
|
gptkbp:notableFor
|
brightest star in Perseus
dominant member of Alpha Persei Cluster
|
gptkbp:otherName
|
gptkb:Mirfak
gptkb:Alpha_Persei
|
gptkbp:parallax
|
6.44 mas
|
gptkbp:partOf
|
gptkb:Alpha_Persei_Cluster
|
gptkbp:properMotionRA
|
-26.23 mas/yr
+23.39 mas/yr
|
gptkbp:radialVelocity
|
-2.0 km/s
|
gptkbp:rightAscension
|
03h 24m 19.4s
|
gptkbp:spectralType
|
F5Ib
|
gptkbp:temperature
|
6350 K
|
gptkbp:variableStar
|
no
|
gptkbp:bfsParent
|
gptkb:Mirfak
gptkb:Alpha_Persei
|
gptkbp:bfsLayer
|
8
|