|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
570 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Algol
gptkb:Beta_Persei
|
|
gptkbp:apparentMagnitude
|
2.12
-0.07
|
|
gptkbp:catalogue
|
gptkb:Henry_Draper_Catalogue
|
|
gptkbp:catalogueNumber
|
19356
|
|
gptkbp:declination
|
+40° 57′ 20.33″
|
|
gptkbp:diameter
|
2.90 solar radii
|
|
gptkbp:discoveredBy
|
gptkb:John_Goodricke
|
|
gptkbp:discoveredIn
|
1782
|
|
gptkbp:distanceFromEarth
|
92.8 light years
|
|
gptkbp:eclipsingBinaryType
|
gptkb:EA_(Algol-type)
|
|
gptkbp:hasCompanion
|
gptkb:HD_19356_B
gptkb:HD_19356_C
|
|
gptkbp:hasExoplanet
|
no known exoplanets
|
|
gptkbp:locatedIn
|
gptkb:Perseus
|
|
gptkbp:luminosity
|
98 times solar
|
|
gptkbp:mass
|
3.17 solar masses
|
|
gptkbp:metallicity
|
-0.15 [Fe/H]
|
|
gptkbp:notableFor
|
prototype of Algol variable stars
|
|
gptkbp:orbitType
|
2.867 days
|
|
gptkbp:parallax
|
35.15 mas
|
|
gptkbp:partOf
|
gptkb:Algol_system
|
|
gptkbp:properMotionRA
|
-2.909 mas/yr
2.437 mas/yr
|
|
gptkbp:rightAscension
|
03h 08m 10.132s
|
|
gptkbp:rotationPeriod
|
50 km/s
|
|
gptkbp:spectralType
|
B8V
|
|
gptkbp:temperature
|
13,000 K
|
|
gptkbp:variableType
|
gptkb:binary_star_system
|
|
gptkbp:bfsParent
|
gptkb:Algol
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HD 19356
|