Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
|
| gptkbp:apparentMagnitude |
3.52
|
| gptkbp:component |
gptkb:Beta_Lyrae_A
gptkb:Beta_Lyrae_B |
| gptkbp:declination |
+33° 21′ 46″
|
| gptkbp:discoveredBy |
gptkb:John_Goodricke
|
| gptkbp:discoveredIn |
1784
|
| gptkbp:distanceFromEarth |
960 light years
|
| gptkbp:eclipsingBinary |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Beta Lyrae system
|
| gptkbp:locatedIn |
constellation Lyra
|
| gptkbp:luminosity |
~25,000 L☉
|
| gptkbp:mainStar |
no
|
| gptkbp:massTransfer |
yes
|
| gptkbp:metallicity |
unknown
|
| gptkbp:notableFor |
prototype of Beta Lyrae variables
|
| gptkbp:numberOfConstituents |
at least 6
|
| gptkbp:orbitType |
12.9 days
|
| gptkbp:otherName |
gptkb:Sheliak
|
| gptkbp:parallax |
3.39 mas
|
| gptkbp:properMotionRA |
-4.59 mas/yr
2.37 mas/yr |
| gptkbp:radialVelocity |
-19.2 km/s
|
| gptkbp:rightAscension |
18h 50m 04.8s
|
| gptkbp:SIMBADID |
bet+Lyr
|
| gptkbp:spectralType |
B7II
|
| gptkbp:variableType |
gptkb:Beta_Lyrae_variable
|
| gptkbp:bfsParent |
gptkb:Beta_Lyrae_A
gptkb:Beta_Lyrae_B |
| gptkbp:bfsLayer |
7
|