|
gptkbp:instanceOf
|
gptkb:star
binary star system
|
|
gptkbp:apparentMagnitude
|
8.94
|
|
gptkbp:catalogue
|
gptkb:Washington_Double_Star_Catalog
gptkb:Gliese_Catalogue_of_Nearby_Stars
gptkb:Luyten_Half-Second_Catalogue
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
|
|
gptkbp:component
|
gptkb:Struve_2398_B
Struve 2398 A
|
|
gptkbp:declination
|
+59° 37′ 49″
|
|
gptkbp:diameter
|
0.24 solar radii (B)
0.33 solar radii (A)
|
|
gptkbp:discoveredBy
|
gptkb:Friedrich_Georg_Wilhelm_von_Struve
|
|
gptkbp:distanceFromEarth
|
11.5 light-years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Struve 2398
|
|
gptkbp:locatedIn
|
constellation Draco
|
|
gptkbp:luminosity
|
0.008 solar luminosities (B)
0.015 solar luminosities (A)
|
|
gptkbp:mass
|
0.20 solar masses (B)
0.29 solar masses (A)
|
|
gptkbp:metallicity
|
-0.39
|
|
gptkbp:orbitType
|
295 years
|
|
gptkbp:otherName
|
Gliese 725
HD 173739/HD 173740
|
|
gptkbp:parallax
|
284.56 mas
|
|
gptkbp:properMotionRA
|
high
|
|
gptkbp:rightAscension
|
18h 42m 46.7s
|
|
gptkbp:separates
|
56 AU
|
|
gptkbp:spectralType
|
M3.5V
M3V
|
|
gptkbp:variableStar
|
yes
|
|
gptkbp:variableType
|
gptkb:star
|
|
gptkbp:bfsParent
|
gptkb:Eridani
|
|
gptkbp:bfsLayer
|
7
|