Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
gptkb:Mira_variable |
| gptkbp:apparentMagnitude |
7.4–12.7
|
| gptkbp:catalogue |
gptkb:General_Catalogue_of_Variable_Stars
gptkb:Henry_Draper_Catalogue |
| gptkbp:constellation |
gptkb:Cepheus
|
| gptkbp:declination |
+78° 43′ 11″
|
| gptkbp:diameter |
~700 R☉
|
| gptkbp:discoveredBy |
gptkb:Thomas_Espin
|
| gptkbp:discoveredIn |
1881
|
| gptkbp:distanceFromEarth |
~1,300 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
S Cephei
|
| gptkbp:luminosity |
~10,000 L☉
|
| gptkbp:mass |
~1.5 M☉
|
| gptkbp:otherDesignation |
gptkb:2MASS_J22215360+7843111
gptkb:BD+78_853 gptkb:HD_211392 gptkb:HIP_109089 |
| gptkbp:parallax |
0.37 mas
2.51 mas |
| gptkbp:period |
486 days
|
| gptkbp:properMotionRA |
-2.13 mas/yr
|
| gptkbp:rightAscension |
22h 21m 53.6s
|
| gptkbp:spectralType |
M6e
|
| gptkbp:variableType |
gptkb:Mira
|
| gptkbp:bfsParent |
gptkb:S-type_star
|
| gptkbp:bfsLayer |
6
|