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- Doubly_ionized_oxygen abstract "In astronomy and atomic physics, doubly ionized oxygen (also known as O III) is the ion O2+. Its emission forbidden lines in the visible spectrum, primarily at the wavelength 500.7 nm, and secondarily at 495.9 nm, are known in astronomical spectroscopy as [O III]. 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 501 nm and 496 nm wavelengths of light, that correspond to green-turquoise-cyan spectral colors, are useful in observing these objects, causing them to appear at higher contrast against the filtered and consequently blacker background of space (and possibly light-polluted terrestrial atmosphere) where the frequencies of [O III] are much less pronounced.These emission lines were first discovered in the spectra of planetary nebulae in the 1860s. At that time, they were thought to be due to a new element which was named nebulium. In 1927, Ira Sprague Bowen came up with the current explanation of them being due to doubly ionized oxygen.Permitted lines of O III lie in the Middle Ultraviolet band and are hence inaccessible to terrestrial astronomy.".
- Doubly_ionized_oxygen thumbnail Oiii-linesp.svg?width=300.
- Doubly_ionized_oxygen wikiPageID "12772040".
- Doubly_ionized_oxygen wikiPageLength "2096".
- Doubly_ionized_oxygen wikiPageOutDegree "26".
- Doubly_ionized_oxygen wikiPageRevisionID "692981968".
- Doubly_ionized_oxygen wikiPageWikiLink Astronomical_spectroscopy.
- Doubly_ionized_oxygen wikiPageWikiLink Astronomy.
- Doubly_ionized_oxygen wikiPageWikiLink Atomic_physics.
- Doubly_ionized_oxygen wikiPageWikiLink Category:Astronomical_spectroscopy.
- Doubly_ionized_oxygen wikiPageWikiLink Category:Ions.
- Doubly_ionized_oxygen wikiPageWikiLink Category:Oxygen.
- Doubly_ionized_oxygen wikiPageWikiLink Chemical_element.
- Doubly_ionized_oxygen wikiPageWikiLink Cyan.
- Doubly_ionized_oxygen wikiPageWikiLink Dichroic_filter.
- Doubly_ionized_oxygen wikiPageWikiLink Eagle_Nebula.
- Doubly_ionized_oxygen wikiPageWikiLink Forbidden_mechanism.
- Doubly_ionized_oxygen wikiPageWikiLink Green.
- Doubly_ionized_oxygen wikiPageWikiLink H_II_region.
- Doubly_ionized_oxygen wikiPageWikiLink Ion.
- Doubly_ionized_oxygen wikiPageWikiLink Ira_Sprague_Bowen.
- Doubly_ionized_oxygen wikiPageWikiLink Light_pollution.
- Doubly_ionized_oxygen wikiPageWikiLink Nebula.
- Doubly_ionized_oxygen wikiPageWikiLink Nebulium.
- Doubly_ionized_oxygen wikiPageWikiLink Oxygen.
- Doubly_ionized_oxygen wikiPageWikiLink Planetary_nebula.
- Doubly_ionized_oxygen wikiPageWikiLink Spectral_color.
- Doubly_ionized_oxygen wikiPageWikiLink Spectral_line.
- Doubly_ionized_oxygen wikiPageWikiLink Turquoise_(color).
- Doubly_ionized_oxygen wikiPageWikiLink Ultraviolet.
- Doubly_ionized_oxygen wikiPageWikiLink Visible_spectrum.
- Doubly_ionized_oxygen wikiPageWikiLink File:Oiii-linesp.svg.
- Doubly_ionized_oxygen wikiPageWikiLinkText "Doubly ionized oxygen".
- Doubly_ionized_oxygen wikiPageWikiLinkText "O III".
- Doubly_ionized_oxygen wikiPageWikiLinkText "OIII".
- Doubly_ionized_oxygen wikiPageWikiLinkText "[O III]".
- Doubly_ionized_oxygen wikiPageWikiLinkText "doubly ionized oxygen".
- Doubly_ionized_oxygen wikiPageWikiLinkText "oxygen emission line".
- Doubly_ionized_oxygen wikiPageUsesTemplate Template:Allotropes_of_oxygen.
- Doubly_ionized_oxygen subject Category:Astronomical_spectroscopy.
- Doubly_ionized_oxygen subject Category:Ions.
- Doubly_ionized_oxygen subject Category:Oxygen.
- Doubly_ionized_oxygen hypernym +.
- Doubly_ionized_oxygen type MeanOfTransportation.
- Doubly_ionized_oxygen type Astrophysic.
- Doubly_ionized_oxygen type Mechanic.
- Doubly_ionized_oxygen type Physic.
- Doubly_ionized_oxygen comment "In astronomy and atomic physics, doubly ionized oxygen (also known as O III) is the ion O2+. Its emission forbidden lines in the visible spectrum, primarily at the wavelength 500.7 nm, and secondarily at 495.9 nm, are known in astronomical spectroscopy as [O III]. 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.".
- Doubly_ionized_oxygen label "Doubly ionized oxygen".
- Doubly_ionized_oxygen sameAs Q2030382.
- Doubly_ionized_oxygen sameAs Oxygène_doublement_ionisé.
- Doubly_ionized_oxygen sameAs 이중전리산소.
- Doubly_ionized_oxygen sameAs Oxigénio_duplamente_ionizado.
- Doubly_ionized_oxygen sameAs m.02x47dz.
- Doubly_ionized_oxygen sameAs Дважды_ионизированный_кислород.
- Doubly_ionized_oxygen sameAs Q2030382.
- Doubly_ionized_oxygen sameAs 雙電離氧.
- Doubly_ionized_oxygen wasDerivedFrom Doubly_ionized_oxygen?oldid=692981968.
- Doubly_ionized_oxygen depiction Oiii-linesp.svg.
- Doubly_ionized_oxygen isPrimaryTopicOf Doubly_ionized_oxygen.