Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
8.07
|
| gptkbp:declination |
+51° 54′ 45″
|
| gptkbp:diameter |
0.76 solar radii
|
| gptkbp:discoveredBy |
1949
|
| gptkbp:distanceFromEarth |
16.3 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
BY Draconis A
|
| gptkbp:locatedIn |
constellation Draco
|
| gptkbp:luminosity |
0.095 solar luminosities
|
| gptkbp:mass |
0.79 solar masses
|
| gptkbp:metallicity |
-0.20 [Fe/H]
|
| gptkbp:orbitalPeriodWithBY_Draconis_B |
5.98 days
|
| gptkbp:otherDesignation |
gptkb:HD_234677
gptkb:HIP_94349 GJ 720 A |
| gptkbp:parallax |
199.4 mas
|
| gptkbp:partOf |
BY Draconis system
|
| gptkbp:rightAscension |
18h 35m 01.7s
|
| gptkbp:rotationPeriod |
8.7 km/s
|
| gptkbp:spectralType |
M1.5V
|
| gptkbp:temperature |
4000 K
|
| gptkbp:variableType |
gptkb:BY_Draconis_variable
|
| gptkbp:bfsParent |
gptkb:BY_Draconis
|
| gptkbp:bfsLayer |
7
|