Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
red supergiant |
| gptkbp:apparentMagnitude |
7.37
|
| gptkbp:catalogue |
gptkb:Bonner_Durchmusterung
|
| gptkbp:constellation |
gptkb:Sagitta
|
| gptkbp:declination |
+19° 32′ 06″
|
| gptkbp:diameter |
11 solar radii
|
| gptkbp:discoveredBy |
gptkb:Friedrich_Wilhelm_Argelander
|
| gptkbp:distanceFromEarth |
approximately 500 light years
|
| https://www.w3.org/2000/01/rdf-schema#label |
BD+19 4782
|
| gptkbp:luminosity |
50 times solar luminosity
|
| gptkbp:mass |
1.1 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.2
|
| gptkbp:otherDesignation |
gptkb:HD_185510
gptkb:HIP_96465 gptkb:SAO_105233 |
| gptkbp:parallax |
6.51 mas
|
| gptkbp:radialVelocity |
-34.6 km/s
|
| gptkbp:rightAscension |
19h 36m 59.6s
|
| gptkbp:spectralType |
K2III
|
| gptkbp:surfaceGravity |
2.5 (cgs)
|
| gptkbp:temperature |
4700 K
|
| gptkbp:variableStar |
semi-regular variable
|
| gptkbp:bfsParent |
gptkb:HD_210709
|
| gptkbp:bfsLayer |
7
|