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Titolo:
CALIBRATION OF THE SAN-MARCO AIRGLOW-SOLAR SPECTROMETER INSTRUMENT INTHE EXTREME-ULTRAVIOLET
Autore:
WORDEN J; WOODS TN; ROTTMAN GJ; SCHMIDTKE G; TAI HS; DOLL HG; SOLOMON SC;
Indirizzi:
UNIV COLORADO BOULDER CO 80309 NATL CTR ATMOSPHER RES,HIGH ALTITUDE OBSERV BOULDER CO 80307 FRAUNHOFER INST PHYS MESSTECH W-7800 FREIBURG GERMANY PHYS TECH STUDIEN GMBH W-7800 FREIBURG GERMANY UNIV COLORADO,ATMOSPHER & SPACE PHYS LAB BOULDER CO 80310
Titolo Testata:
Optical engineering
fascicolo: 2, volume: 35, anno: 1996,
pagine: 554 - 563
SICI:
0091-3286(1996)35:2<554:COTSAS>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
EUV IRRADIANCE; MODEL; NM;
Keywords:
SPACECRAFT SPECTROMETER CALIBRATION; SOLAR AND TERRESTRIAL IRRADIANCE; LYMAN-ALPHA SPECTROMETER SENSITIVITY CHANGE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
J. Worden et al., "CALIBRATION OF THE SAN-MARCO AIRGLOW-SOLAR SPECTROMETER INSTRUMENT INTHE EXTREME-ULTRAVIOLET", Optical engineering, 35(2), 1996, pp. 554-563

Abstract

The San Marco 5 carried the airglow-solar spectrometer instrument (ASSl). This 18-channel spectrometer measured the solar and terrestrial radiation in the wavelength region between 20 and 700 nm for 9 months in 1988. The ASSl extreme ultraviolet (EUV) channels showed significantsensitivity changes during the mission. The sensitivity changes of the EUV channels are quantified by comparing ASSl solar EUV irradiance measurements to the solar EUV irradiance derived from a solar proxy model. A sensitivity change model is developed that shows that exponential curves can adequately describe the sensitivity changes of the ASSl optics and detectors. The November 10 calibration parameters and the sensitivity change model can be used to derive the EUV terrestrial airglow brightness for the time period of the ASSl mission. Analysis of thesolar Lyman-alpha irradiance measured by the ASSl, the solar mesospheric explorer (SME), and the upper atmosphere research satellite (UARS)has led to a revised Lyman-alpha irradiance for the San Marco mission. For example, the ASSl November 10, 1988, Lyman-alpha measurement is 5.3 x 10(11) photons cm(-2) s(-1) versus the reported SME measurement of 3.35 x 10(11) photons cm(-2) s(-1). (C) 1996 Society of Photo-Optical instrumentation Engineers.

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Documento generato il 05/12/20 alle ore 10:06:43