Statements (22)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:star
|
gptkbp:alternativeName |
gptkb:Gliese_18
|
gptkbp:apparentMagnitude |
10.92
|
gptkbp:catalogueNumber |
gptkb:GJ_18
|
gptkbp:colorIndexB-V |
1.57
|
gptkbp:constellation |
gptkb:Cetus
|
gptkbp:declination |
-17° 47′ 21″
|
gptkbp:diameter |
0.41 solar radii
|
gptkbp:distanceFromEarth |
31.9 light years
|
https://www.w3.org/2000/01/rdf-schema#label |
GJ 18
|
gptkbp:luminosity |
0.022 solar luminosities
|
gptkbp:mass |
0.41 solar masses
|
gptkbp:metallicity |
-0.13
|
gptkbp:parallax |
102.23 mas
|
gptkbp:partOf |
gptkb:Gliese_Catalogue_of_Nearby_Stars
|
gptkbp:properMotionRA |
-324.13 mas/yr
-686.13 mas/yr |
gptkbp:radialVelocity |
-9.6 km/s
|
gptkbp:rightAscension |
00h 33m 53.6s
|
gptkbp:spectralType |
M2V
|
gptkbp:bfsParent |
gptkb:Gliese_18
|
gptkbp:bfsLayer |
7
|