Temporal and Spatial Structure of Short Wavelength Infrared Auroral Backgrounds
Infrared auroral backgrounds in the 3 micron region were measured with a filtered radiometer from a KC-135 aircraft. The measurements of temporal and spatial variations in the infrared were compared with simultaneous measurements of 3914A and 5577A visible radiation. Auroral measurements were obtain...
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| creator | Huppi,E Ray Villanucci,Dennis Bruce,Marshall |
| description | Infrared auroral backgrounds in the 3 micron region were measured with a filtered radiometer from a KC-135 aircraft. The measurements of temporal and spatial variations in the infrared were compared with simultaneous measurements of 3914A and 5577A visible radiation. Auroral measurements were obtained during dark and sunlit conditions. Frequency analysis shows the 3 micron and 5577A to be delayed and filtered relative to the prompt 3914A N2(+) emission. The ratio of 3 micron to 3914A emission varies by about a factor of 3 and appears to be a function of peak electron deposition altitude. (Author) |
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The measurements of temporal and spatial variations in the infrared were compared with simultaneous measurements of 3914A and 5577A visible radiation. Auroral measurements were obtained during dark and sunlit conditions. Frequency analysis shows the 3 micron and 5577A to be delayed and filtered relative to the prompt 3914A N2(+) emission. The ratio of 3 micron to 3914A emission varies by about a factor of 3 and appears to be a function of peak electron deposition altitude. (Author)</description><language>eng</language><subject>Aerial platforms ; All sky cameras ; Atmospheric Physics ; AURORAE ; BACKGROUND RADIATION ; CHEMILUMINESCENCE ; COMPARISON ; DATA ACQUISITION ; DIURNAL VARIATIONS ; FOURIER TRANSFORMATION ; INFRARED SPECTRA ; KC-135 aircraft ; LOW LIGHT LEVELS ; Nitric oxide ; NITROGEN OXIDES ; PE62101F ; PHOTOMETERS ; RADIOMETRY ; SPATIAL DISTRIBUTION ; TANKER AIRCRAFT ; TELEVISION SYSTEMS ; WUAFGL76701008</subject><creationdate>1981</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27545,27546</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA112274$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Huppi,E Ray</creatorcontrib><creatorcontrib>Villanucci,Dennis</creatorcontrib><creatorcontrib>Bruce,Marshall</creatorcontrib><creatorcontrib>AIR FORCE GEOPHYSICS LAB HANSCOM AFB MA</creatorcontrib><title>Temporal and Spatial Structure of Short Wavelength Infrared Auroral Backgrounds</title><description>Infrared auroral backgrounds in the 3 micron region were measured with a filtered radiometer from a KC-135 aircraft. 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(Author)</description><subject>Aerial platforms</subject><subject>All sky cameras</subject><subject>Atmospheric Physics</subject><subject>AURORAE</subject><subject>BACKGROUND RADIATION</subject><subject>CHEMILUMINESCENCE</subject><subject>COMPARISON</subject><subject>DATA ACQUISITION</subject><subject>DIURNAL VARIATIONS</subject><subject>FOURIER TRANSFORMATION</subject><subject>INFRARED SPECTRA</subject><subject>KC-135 aircraft</subject><subject>LOW LIGHT LEVELS</subject><subject>Nitric oxide</subject><subject>NITROGEN OXIDES</subject><subject>PE62101F</subject><subject>PHOTOMETERS</subject><subject>RADIOMETRY</subject><subject>SPATIAL DISTRIBUTION</subject><subject>TANKER AIRCRAFT</subject><subject>TELEVISION SYSTEMS</subject><subject>WUAFGL76701008</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1981</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZPAPSc0tyC9KzFFIzEtRCC5ILMkEsoNLikqTS0qLUhXy0xSCM_KLShTCE8tSc1Lz0ksyFDzz0ooSi1JTFBxLi8BanRKTs9OL8kvzUop5GFjTEnOKU3mhNDeDjJtriLOHbkpJZnJ8cUlmXmpJvKOLo6GhkZG5iTEBaQAnIzP4</recordid><startdate>19811013</startdate><enddate>19811013</enddate><creator>Huppi,E Ray</creator><creator>Villanucci,Dennis</creator><creator>Bruce,Marshall</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>19811013</creationdate><title>Temporal and Spatial Structure of Short Wavelength Infrared Auroral Backgrounds</title><author>Huppi,E Ray ; Villanucci,Dennis ; Bruce,Marshall</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA1122743</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1981</creationdate><topic>Aerial platforms</topic><topic>All sky cameras</topic><topic>Atmospheric Physics</topic><topic>AURORAE</topic><topic>BACKGROUND RADIATION</topic><topic>CHEMILUMINESCENCE</topic><topic>COMPARISON</topic><topic>DATA ACQUISITION</topic><topic>DIURNAL VARIATIONS</topic><topic>FOURIER TRANSFORMATION</topic><topic>INFRARED SPECTRA</topic><topic>KC-135 aircraft</topic><topic>LOW LIGHT LEVELS</topic><topic>Nitric oxide</topic><topic>NITROGEN OXIDES</topic><topic>PE62101F</topic><topic>PHOTOMETERS</topic><topic>RADIOMETRY</topic><topic>SPATIAL DISTRIBUTION</topic><topic>TANKER AIRCRAFT</topic><topic>TELEVISION SYSTEMS</topic><topic>WUAFGL76701008</topic><toplevel>online_resources</toplevel><creatorcontrib>Huppi,E Ray</creatorcontrib><creatorcontrib>Villanucci,Dennis</creatorcontrib><creatorcontrib>Bruce,Marshall</creatorcontrib><creatorcontrib>AIR FORCE GEOPHYSICS LAB HANSCOM AFB MA</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Huppi,E Ray</au><au>Villanucci,Dennis</au><au>Bruce,Marshall</au><aucorp>AIR FORCE GEOPHYSICS LAB HANSCOM AFB MA</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Temporal and Spatial Structure of Short Wavelength Infrared Auroral Backgrounds</btitle><date>1981-10-13</date><risdate>1981</risdate><abstract>Infrared auroral backgrounds in the 3 micron region were measured with a filtered radiometer from a KC-135 aircraft. The measurements of temporal and spatial variations in the infrared were compared with simultaneous measurements of 3914A and 5577A visible radiation. Auroral measurements were obtained during dark and sunlit conditions. Frequency analysis shows the 3 micron and 5577A to be delayed and filtered relative to the prompt 3914A N2(+) emission. The ratio of 3 micron to 3914A emission varies by about a factor of 3 and appears to be a function of peak electron deposition altitude. (Author)</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | Aerial platforms All sky cameras Atmospheric Physics AURORAE BACKGROUND RADIATION CHEMILUMINESCENCE COMPARISON DATA ACQUISITION DIURNAL VARIATIONS FOURIER TRANSFORMATION INFRARED SPECTRA KC-135 aircraft LOW LIGHT LEVELS Nitric oxide NITROGEN OXIDES PE62101F PHOTOMETERS RADIOMETRY SPATIAL DISTRIBUTION TANKER AIRCRAFT TELEVISION SYSTEMS WUAFGL76701008 |
| title | Temporal and Spatial Structure of Short Wavelength Infrared Auroral Backgrounds |
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