Lyman-α Observations of Comet Holmes from SORCE SOLSTICE and SOHO SWAN

Abstract : In November 2007, the Solar Wind Anisotropy (SWAN) instrument on the Solar and Heliospheric Observatory (SOHO) and the SOLar-STellar Irradiance Comparison Experiment (SOLSTICE) on the SOlar Radiation and Climate Experiment (SORCE) both made observations of comet 17P/Holmes at Lyman-α wavelengths. The intent of these observations was to compare the calibration of SWAN and SOLSTICE, rather than to study the properties of comets. The two datasets require significant processing to remove interplanetary and geocoronal backgrounds which increased the uncertainty of the result. However, both instruments measured similar Lyman-α irradiances, confirming their calibration agreement.
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Submitted on : Saturday, October 5, 2013 - 10:56:37 AM
Last modification on : Friday, July 26, 2019 - 1:44:04 PM

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Wayne R. Pryor, Martin Snow, Eric Quémerais, Stéphane Ferron. Lyman-α Observations of Comet Holmes from SORCE SOLSTICE and SOHO SWAN. Quémerais, Eric; Snow, Martin; Bonnet, Roger-Maurice. Cross-Calibration of Far UV Spectra of Solar System Objects and the Heliosphere, Springer, pp.255-267, 2013, ISSI Scientific Report Series, Vol. 13, 978-1-4614-6383-2. ⟨10.1007/978-1-4614-6384-9_9⟩. ⟨hal-00870115⟩

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