Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
variable star |
| gptkbp:apparentMagnitude |
8.07
|
| gptkbp:catalogueNumber |
gptkb:BD+51_2262
gptkb:HD_234677 gptkb:HIP_94349 gptkb:SAO_31248 |
| gptkbp:component |
gptkb:BY_Draconis_A
gptkb:BY_Draconis_B |
| gptkbp:constellation |
gptkb:Draco
|
| gptkbp:declination |
+51° 27′ 42″
|
| gptkbp:discoveredBy |
gptkb:Frank_Elmore_Ross
|
| gptkbp:discoveredIn |
1926
|
| gptkbp:distanceFromEarth |
53.8 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
BY Draconis
|
| gptkbp:luminosity |
0.095 solar luminosities
|
| gptkbp:mass |
0.79 solar masses
0.30 solar masses |
| gptkbp:metallicity |
−0.5 [Fe/H]
|
| gptkbp:orbitType |
5.98 days
|
| gptkbp:parallax |
60.56 mas
|
| gptkbp:properMotionRA |
-60.73 mas/yr
-535.99 mas/yr |
| gptkbp:radialVelocity |
−25.2 km/s
|
| gptkbp:rightAscension |
18h 35m 45.6s
|
| gptkbp:spectralType |
M0Ve
|
| gptkbp:variableStar |
gptkb:BY_Dra
|
| gptkbp:variableType |
gptkb:BY_Draconis_variable
|
| gptkbp:bfsParent |
gptkb:HIP_73555
|
| gptkbp:bfsLayer |
6
|