Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
18 million years
|
| gptkbp:alsoKnownAs |
gptkb:HD_155555
gptkb:V824_Arae |
| gptkbp:apparentMagnitude |
6.99
|
| gptkbp:component |
gptkb:HD_155555_A
gptkb:HD_155555_B gptkb:HD_155555_C |
| gptkbp:constellation |
gptkb:Ara
|
| gptkbp:discoveredBy |
gptkb:John_Herschel
|
| gptkbp:discoveredIn |
1834
|
| gptkbp:distanceFromEarth |
98 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
ADS 7724
|
| gptkbp:luminosity |
subgiant (A and B)
|
| gptkbp:mass |
0.2 M☉ (HD 155555 C)
0.8 M☉ (HD 155555 B) 1.0 M☉ (HD 155555 A) |
| gptkbp:metallicity |
-0.09 [Fe/H]
|
| gptkbp:orbitType |
1.68 days (A-B pair)
|
| gptkbp:parallax |
33.19 mas
|
| gptkbp:partOf |
gptkb:Beta_Pictoris_moving_group
|
| gptkbp:properMotionRA |
-68.13 mas/yr
-72.53 mas/yr |
| gptkbp:radialVelocity |
-2.5 km/s
|
| gptkbp:spectralType |
G5IV (HD 155555 A)
K0IV (HD 155555 B) M4.5V (HD 155555 C) |
| gptkbp:variableType |
variable star
|
| gptkbp:bfsParent |
gptkb:Algieba
|
| gptkbp:bfsLayer |
6
|