Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
1.5 billion years
|
| gptkbp:apparentMagnitude |
2.86
|
| gptkbp:component |
gptkb:Alpha_Tucanae
|
| gptkbp:constellation |
gptkb:Tucana
|
| gptkbp:declination |
-60° 33′ 32″
|
| gptkbp:diameter |
37 solar radii
|
| gptkbp:distanceFromEarth |
199 light years
|
| gptkbp:hasCompanion |
gptkb:Alpha_Tucanae_B
|
| gptkbp:luminosity |
424 times solar luminosity
|
| gptkbp:mass |
2.5 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.04
|
| gptkbp:parallax |
16.37 mas
|
| gptkbp:properMotionRA |
+44.13 mas/yr
-8.10 mas/yr |
| gptkbp:radialVelocity |
+44.0 km/s
|
| gptkbp:rightAscension |
00h 37m 07.4s
|
| gptkbp:spectralType |
K3III
|
| gptkbp:temperature |
4300 K
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:Alpha_Tucanae
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Alpha Tucanae A
|