Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
ion
|
| gptkbp:astronomicalUse |
nebulae emission line
|
| gptkbp:atomicNumber |
8
|
| gptkbp:chemicalElement |
oxygen
|
| https://www.w3.org/2000/01/rdf-schema#label |
O III
|
| gptkbp:ionizationState |
doubly ionized
|
| gptkbp:notation |
O2+
|
| gptkbp:spectralLine |
495.9 nm
500.7 nm |
| gptkbp:usedIn |
H II region studies
planetary nebulae studies |
| gptkbp:bfsParent |
gptkb:O-type_stars
|
| gptkbp:bfsLayer |
7
|