Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsh21a0398s&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SH21A-0398
Physics
6035 Orbital And Rotational Dynamics, 6213 Dust, 2129 Interplanetary Dust, 2164 Solar Wind Plasma, 2194 Instruments And Techniques
Scientific paper
The Solar Mass Ejection Imager (SMEI) experiment provides white-light photometric maps covering most of the sky each orbit of the Coriolis spacecraft. The SMEI differential photometry specification is 0.1% for each 1 square degree sky bin, and was designed to provide precise photometric white light images over most of the sky on each 102-minute Earth orbit in order to map heliospheric structures. One of the brightest contaminant signals observed in SMEI is zodiacal light brightness that must be modeled and subtracted from the data in order to provide heliospheric sky maps free from large background changes. We have devised a technique to remove zodiacal dust brightness from the SMEI maps, and in order to do so accurately measure the asymmetry of the equatorial dust to the ecliptic plane as well as the Gegenschein brightness throughout the year. We present preliminary analyses of these observations for specific intervals during the one and a half year lifetime of SMEI.
Buffington Andrew
Hick Pierre P.
Jackson Bernard V.
Simon Steven
Smith Aaron
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