Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:variable_star
|
| gptkbp:apparentMagnitude |
-1.0
8.7 – 9.5 |
| gptkbp:catalogueNumber |
gptkb:BD+18_3247
gptkb:HD_156015 gptkb:HIP_84263 gptkb:SAO_102141 |
| gptkbp:constellation |
gptkb:Hercules
|
| gptkbp:declination |
+18° 37′ 32″
|
| gptkbp:discoveredBy |
1907
|
| gptkbp:distanceFromEarth |
~1,000 light-years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:otherDesignation |
gptkb:BL_Her
|
| gptkbp:parallax |
0.38 mas
3.26 mas |
| gptkbp:period |
1.307 days
|
| gptkbp:rightAscension |
17h 13m 57.6s
|
| gptkbp:spectralType |
F7Ib – G2Ib
|
| gptkbp:subclassOf |
gptkb:Type_II_Cepheid_variable
|
| gptkbp:variableType |
gptkb:variable_star
|
| gptkbp:bfsParent |
gptkb:Type_II_Cepheids
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
BL Herculis
|