Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
3.68
|
| gptkbp:binarySystem |
true
|
| gptkbp:component |
gptkb:Delta_Sagittae_A
gptkb:Delta_Sagittae_B |
| gptkbp:declination |
+19° 06′ 48″
|
| gptkbp:discoveredBy |
gptkb:Friedrich_Wilhelm_Argelander
|
| gptkbp:distanceFromEarth |
448 light years
|
| gptkbp:locatedIn |
constellation Sagitta
|
| gptkbp:luminosity |
~2,000 times Sun (primary)
|
| gptkbp:mass |
~4.5 solar masses (primary)
|
| gptkbp:orbitType |
10.8 years
|
| gptkbp:otherDesignation |
gptkb:HR_7615
gptkb:HD_188947 gptkb:HIP_98337 |
| gptkbp:parallax |
7.28 mas
|
| gptkbp:properMotionRA |
-2.13 mas/yr
-7.13 mas/yr |
| gptkbp:radialVelocity |
-18.0 km/s
|
| gptkbp:rightAscension |
20h 14m 32.6s
|
| gptkbp:spectralType |
M2II + B9V
|
| gptkbp:temperature |
3,800 K (primary)
|
| gptkbp:variableStar |
semiregular variable
|
| gptkbp:visibleToNakedEye |
true
|
| gptkbp:bfsParent |
gptkb:Sagitta
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Delta Sagittae
|