Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alsoKnownAs |
gptkb:V509_Cassiopeiae
HD 216143 |
| gptkbp:apparentMagnitude |
5.47
|
| gptkbp:catalogue |
gptkb:Simbad
gptkb:Henry_Draper_Catalogue gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue |
| gptkbp:constellation |
gptkb:Cassiopeia
|
| gptkbp:declination |
+60° 49′ 37″
|
| gptkbp:diameter |
~400 solar radii
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:distanceFromEarth |
~7,500 light years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:luminosity |
~500,000 times Sun
|
| gptkbp:mass |
~20 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -0.5
|
| gptkbp:parallax |
0.44 mas
|
| gptkbp:properMotionRA |
-2.13 mas/yr
-1.13 mas/yr |
| gptkbp:rightAscension |
22h 55m 30.6s
|
| gptkbp:spectralType |
G0Ia0e
|
| gptkbp:temperature |
~8,500 K
|
| gptkbp:variableStar |
semiregular variable
|
| gptkbp:bfsParent |
gptkb:V509_Cassiopeiae
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
HR 8752
|