The Physical Properties of Three Coronal Streamers from 2003

Details The Physical Properties of Three Coronal Streamers from 2003 The Physical Properties of Three Coronal Streamers from 2003

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.3002u&link_type=abstract

American Astronomical Society Meeting 210, #30.02; Bulletin of the American Astronomical Society, Vol. 39, p.142

Astronomy and Astrophysics

Astronomy

Scientific paper

In this presentation we examine the plasma properties of three streamers observed in April, May and September of 2003 by two instruments, UVCS and LASCO, onboard the SOHO spacecraft. The properties are the electron density, electron temperature, elemental abundances, oxygen outflow velocity, proton kinetic temperature and oxygen kinetic temperature. These properties are then mapped onto the respective streamer with regards to height above the solar disk (1.75, 2.5, 3.0, 4.0 and 5.0 Ro) and latitude. The photospheric normalized absolute elemental abundances of O, Fe, Ar and S are derived at 1.75 Ro. The first ionization potential (FIP) bias measured within these streamers are compared to the results measured in situ within the slow solar wind.

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