Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
spectral line
|
| gptkbp:containsElement |
gptkb:helium
|
| gptkbp:discoveredBy |
19th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
He I
|
| gptkbp:ionization_state |
neutral
|
| gptkbp:observedBy |
spectrometer
stellar spectra |
| gptkbp:spectral_series |
helium I
|
| gptkbp:used_in |
gptkb:astronomy
plasma physics |
| gptkbp:wavelengthRange |
varies (e.g., 587.6 nm, 1083 nm)
|
| gptkbp:bfsParent |
gptkb:Type_Ibn_supernova
|
| gptkbp:bfsLayer |
7
|