Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alsoKnownAs |
gptkb:Mu_Cephei
|
| gptkbp:apparentMagnitude |
4.08
|
| gptkbp:color |
red
|
| gptkbp:constellation |
gptkb:Cepheus
|
| gptkbp:declination |
+58° 46′ 48″
|
| gptkbp:diameter |
about 1,000 times the Sun's radius
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:distanceFromEarth |
approximately 2,400 light years
|
| gptkbp:galaxyType |
red supergiant
|
| https://www.w3.org/2000/01/rdf-schema#label |
Erakis
|
| gptkbp:luminosity |
about 350,000 times the Sun's luminosity
|
| gptkbp:mass |
about 19 solar masses
|
| gptkbp:notableFor |
one of the largest and most luminous stars visible to the naked eye
|
| gptkbp:otherName |
gptkb:Herschel's_Garnet_Star
|
| gptkbp:rightAscension |
21h 43m 30.5s
|
| gptkbp:spectralType |
M2Ia
|
| gptkbp:variableStar |
semiregular variable
|
| gptkbp:bfsParent |
gptkb:Mu_Cephei
|
| gptkbp:bfsLayer |
7
|