Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alternativeName |
gptkb:Alphard
gptkb:HD_91316 |
| gptkbp:apparentMagnitude |
1.98
|
| gptkbp:BayerDesignation |
gptkb:Alpha_Hydrae
|
| gptkbp:catalogue |
gptkb:FK5_(Fifth_Fundamental_Catalogue)
|
| gptkbp:constellation |
gptkb:Hydra
|
| gptkbp:declination |
-08° 39′ 31.9″
|
| gptkbp:diameter |
50 solar radii
|
| gptkbp:distanceFromEarth |
177 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
FK5 1232
|
| gptkbp:luminosity |
400 solar luminosities
|
| gptkbp:mass |
3 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.13
|
| gptkbp:parallax |
18.40 mas
|
| gptkbp:properMotionRA |
-18.99 mas/yr
+33.36 mas/yr |
| gptkbp:radialVelocity |
+3.6 km/s
|
| gptkbp:rightAscension |
09h 27m 35.24s
|
| gptkbp:spectralType |
K3II-III
|
| gptkbp:temperature |
4,120 K
|
| gptkbp:bfsParent |
gptkb:77_Ursae_Majoris
|
| gptkbp:bfsLayer |
8
|