Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:apparentMagnitude |
8.19
|
| gptkbp:catalogue |
gptkb:Smithsonian_Astrophysical_Observatory_Star_Catalog
|
| gptkbp:declination |
+00° 07′ 31″
|
| gptkbp:diameter |
about 400 solar radii
|
| gptkbp:distanceFromEarth |
about 6000 light years
|
| gptkbp:evolutionaryStage |
post-red supergiant
|
| https://www.w3.org/2000/01/rdf-schema#label |
SAO 187696
|
| gptkbp:infraredPort |
yes
|
| gptkbp:locatedIn |
gptkb:constellation_Sagittarius
|
| gptkbp:luminosity |
about 300,000 times Sun
|
| gptkbp:mass |
about 19 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.4
|
| gptkbp:notableFor |
one of the most luminous yellow hypergiants known
|
| gptkbp:otherDesignation |
gptkb:HD_179821
gptkb:IRAS_19114+0002 |
| gptkbp:parallax |
0.17 mas
|
| gptkbp:properMotionRA |
-2.13 mas/yr
-4.16 mas/yr |
| gptkbp:radialVelocity |
+81.8 km/s
|
| gptkbp:rightAscension |
19h 13m 58.6s
|
| gptkbp:spectralType |
G5 Ia
|
| gptkbp:temperature |
about 7000 K
|
| gptkbp:type |
red supergiant
|
| gptkbp:variableStar |
yes
|
| gptkbp:bfsParent |
gptkb:Ascella
|
| gptkbp:bfsLayer |
6
|