Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
2.7 billion years
|
| gptkbp:apparentMagnitude |
1.37
3.260 |
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:colorIndexB-V |
+1.01
+0.85 |
| gptkbp:constellation |
gptkb:Serpens
|
| gptkbp:declination |
-15° 40′ 34″
|
| gptkbp:diameter |
10 solar radii
|
| gptkbp:distanceFromEarth |
60 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
Eta Serpentis
|
| gptkbp:luminosity |
45 times solar luminosity
|
| gptkbp:mass |
1.7 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.19
|
| gptkbp:otherDesignation |
gptkb:SAO_159073
gptkb:HD_143107 gptkb:HR_5947 gptkb:HIP_78265 BD-15 4207 |
| gptkbp:parallax |
54.13 mas
|
| gptkbp:properMotionRA |
+107.13 mas/yr
-85.06 mas/yr |
| gptkbp:radialVelocity |
-44.6 km/s
|
| gptkbp:rightAscension |
15h 44m 16.1s
|
| gptkbp:spectralType |
K0III
|
| gptkbp:temperature |
4,780 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Serpens_Cauda
|
| gptkbp:bfsLayer |
7
|