Doubly ionized oxygen
id:
doubly-ionized-oxygen-316-12605140
title:
Doubly ionized oxygen
text:
In astronomy and atomic physics, doubly ionized oxygen is the ion O2+ (O III in spectroscopic notation). Its emission forbidden lines in the visible spectrum fall primarily at the wavelength 500.7 nm, and secondarily at 495.9 nm. Before spectra of oxygen ions became known, these lines once led to a spurious identification of the substance as a new chemical element. Concentrated levels of O III are found in diffuse and planetary nebulae. Consequently, narrow band-pass filters that isolate the 500
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Doubly_ionized_oxygen
date created:
date modified:
2024-02-08T21:04:04Z
main entity:
{"identifier":"Q2030382","url":"https://www.wikidata.org/entity/Q2030382"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/cd/Oiii-linesp.svg","width":519,"height":417}
fields total:
13
integrity:
14