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SWENET Software Infrastructure Space Weather Data Specification ...

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Table Name tb_soho_15m<br />

<strong>Data</strong> File http://umtof.umd.edu/pm/pmsw_2week.used<br />

Project: <strong>Space</strong> <strong>Weather</strong> Pilot Project Coordination and <strong>Software</strong> <strong>Infrastructure</strong> Development<br />

Reference: R047rep026_00_07_<strong>Data</strong>_<strong>Specification</strong>_(BIRA).doc<br />

eta_max space GmbH, Richard-Wagner-Str. 1, 38106 Braunschweig, Germany<br />

<strong>SWENET</strong> <strong>Software</strong> <strong>Infrastructure</strong> Date: 2004-10-20<br />

<strong>Space</strong> <strong>Weather</strong> <strong>Data</strong> <strong>Specification</strong> Version: 0.<br />

External data resources Status: Draft<br />

Comments SOHO solar wind proton parameters with a 15 minute resolution<br />

Vsw : the bulk speed in kilometers per second<br />

Density : the density (protons per cm 3 )<br />

Vth : the most probable thermal speed (km/sec) = Sqrt(2kT/m)<br />

Angle : the flow direction in the plane perpendicular to the ecliptic plane, with positive values indicating flow FROM the south. On rare occasions<br />

the spacecraft's roll angle is changed for brief periods, during which the derived flow direction will refer to a different plane<br />

Column/Index <strong>Data</strong> Type Modifiers Description Check<br />

id serial key<br />

utc timestamp UTC date and time<br />

angle float(4) the flow direction in the plane perpendicular to the ecliptic<br />

plane, with positive values indicating flow FROM the<br />

south<br />

vth float(4) the most probable thermal speed [km/sec]<br />

density float(4) the density [protons/cm 3 ]<br />

vsw float(4) the bulk speed [km/s]<br />

pm_min float(4)<br />

pm_max float(4)<br />

Table 52: 15-minute SOHO solar wind proton parameters<br />

Page<br />

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