Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:compiledBy |
gptkb:Harvard_College_Observatory
|
| gptkbp:contains |
stellar spectra
star classifications |
| gptkbp:expansion |
gptkb:Henry_Draper_Extension_Charts
|
| gptkbp:firstPublished |
1918
|
| https://www.w3.org/2000/01/rdf-schema#label |
Henry Draper Extension
|
| gptkbp:namedAfter |
gptkb:Henry_Draper
|
| gptkbp:partOf |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:publishedBy |
gptkb:Harvard_College_Observatory
|
| gptkbp:usedFor |
stellar classification
|
| gptkbp:bfsParent |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:bfsLayer |
6
|