Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
0.6-1.0 billion years
|
| gptkbp:alsoKnownAs |
gptkb:HD_189733
|
| gptkbp:apparentMagnitude |
7.67
|
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:SAO_Catalogue |
| gptkbp:constellation |
gptkb:Vulpecula
|
| gptkbp:declination |
+22° 42′ 39″
|
| gptkbp:diameter |
0.76 solar radii
|
| gptkbp:discoveredExoplanets |
2005
|
| gptkbp:distanceFromEarth |
64.5 light years
|
| gptkbp:hasExoplanet |
gptkb:HD_189733_b
|
| gptkbp:hipparcosNumber |
gptkb:HIP_98505
|
| https://www.w3.org/2000/01/rdf-schema#label |
SAO 121655
|
| gptkbp:luminosity |
0.33 solar luminosities
|
| gptkbp:mass |
0.82 solar masses
|
| gptkbp:metallicity |
-0.03
|
| gptkbp:parallax |
50.57 mas
|
| gptkbp:properMotionRA |
-2.49 mas/yr
-250.81 mas/yr |
| gptkbp:rightAscension |
20h 00m 43.7s
|
| gptkbp:rotationPeriod |
3.5 km/s
|
| gptkbp:spectralType |
K1.5V
|
| gptkbp:surfaceGravity |
4.53 (log g)
|
| gptkbp:temperature |
5040 K
|
| gptkbp:variableStar |
yes
|
| gptkbp:bfsParent |
gptkb:Alpha_Serpentis
|
| gptkbp:bfsLayer |
7
|