Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
1.2 billion years
|
| gptkbp:alsoKnownAs |
gptkb:Altair
gptkb:HD_187642 |
| gptkbp:apparentMagnitude |
0.77
|
| gptkbp:declination |
+08° 52′ 06″
|
| gptkbp:diameter |
1.63 solar radii
|
| gptkbp:discoveredBy |
ancient astronomers
|
| gptkbp:distanceFromEarth |
16.7 light years
|
| gptkbp:hasCompanion |
gptkb:ADS_10009_B
|
| gptkbp:locatedIn |
gptkb:constellation_Aquila
|
| gptkbp:luminosity |
10.6 times solar luminosity
|
| gptkbp:mass |
1.79 solar masses
|
| gptkbp:metallicity |
−0.2 [Fe/H]
|
| gptkbp:parallax |
194.95 mas
|
| gptkbp:partOf |
gptkb:Summer_Triangle
|
| gptkbp:rightAscension |
19h 50m 47s
|
| gptkbp:rotationPeriod |
286 km/s
|
| gptkbp:spectralType |
gptkb:A7V
|
| gptkbp:variableStar |
true
|
| gptkbp:bfsParent |
gptkb:Alpha_Scorpii
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
ADS 10009
|