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| <HTML> | |
| <HEAD> | |
| <META NAME="GENERATOR" CONTENT="Adobe PageMill 3.0 Win"> | |
| <TITLE>International Program Office - Equator S Project</TITLE> | |
| </HEAD> | |
| <BODY TEXT="#000099" BGCOLOR="#ffffff" ALINK="#990099"> | |
| <P><CENTER><TABLE WIDTH="553" BORDER="0" CELLSPACING="2" CELLPADDING="0" | |
| HEIGHT="520"> | |
| <TR> | |
| <TD WIDTH="21%" HEIGHT="123"> | |
| <IMG SRC="../../../images/equator-s.gif" WIDTH="154" HEIGHT="157" | |
| ALIGN="BOTTOM" BORDER="0" NATURALSIZEFLAG="0"></TD> | |
| <TD WIDTH="79%" HEIGHT="123"> | |
| <P><CENTER><B><FONT COLOR="#ff0000" SIZE="+2" FACE="Arial"><IMG | |
| SRC="../../../images/INTL_EQUATOR_S_Title_LG.jpg" WIDTH="180" | |
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| </TR> | |
| <TR> | |
| <TD COLSPAN="2" HEIGHT="316"> | |
| <P> </P> | |
| <P><FONT SIZE="-1" FACE="Arial">The EQ-S is an international | |
| cooperative mission between NASA and The German Space Agency,DARA. | |
| The spacecraft is provided by Germany and will carry instruments | |
| to provide high-resolution plasma, magnetic, and electric field | |
| measurements in several regions not covered by existing International | |
| Solar Terrestrial Physics (ISTP) missions. These regions are | |
| namely the low-latitude dayside magnetopause and its boundary | |
| layer, the equatorial ring current, and the near-earth equatorial | |
| plasma sheet. EQ-S will be launched on an Ariane IV launch vehicle | |
| in late 1997. NASA will provide the Apogee kick motor used to | |
| circularize the orbit. Mission analysis and operation will be | |
| provided by the German Space Operations Center (GSOC) of the | |
| DLR. NASA is providing the 3D Plasma Instrument of the University | |
| of Washington which will measure electrons from 1 KeV to 30 KeV. | |
| NASA is also providing the significant support to two other instruments | |
| to be flown on the spacecraft. NASA is furnishing the Time-of-Flight | |
| (TOF) section for the Ion Composition Instrument provided by | |
| Max Plank Institut Fur Extraterrestrische Physch (MPE). The instrument | |
| will cover an energy range similar to that of the 3D Plasma Instrument. | |
| NASA is also supplying the Gun Detector Units (GDU) for the Electron | |
| Drift Instrument (EDI),being provided by MPE. The EDI will measure | |
| the drift of a weak beam of test electrons which is related to | |
| the ambient electric field and the gradient in the magnetic field.</FONT></P> | |
| <P><B><FONT SIZE="-1" FACE="Arial">Salient Features:</FONT></B></P> | |
| <P><FONT SIZE="-1" FACE="Arial"><BR> | |
| <B>Project Start:</B> Fall 1994 <BR> | |
| <B>Spacecraft Weight: </B>250 Kg<BR> | |
| <B>Planned Lifetime: </B>1 year <BR> | |
| <B>Orbit:</B> 500 Km X 10 RE, 70 inclination<BR> | |
| <B>Launch:</B> Ariane IV from Guiana, South America, Successfully Launched | |
| November 1997</FONT></P> | |
| <P><FONT SIZE="-1" FACE="Arial"><BR> | |
| <B>Instrument Complement:</B></FONT></P> | |
| <P><FONT SIZE="-1" FACE="Arial">Magnetometer (GERMANY)<BR> | |
| Electron Drift Instrument (GERMANY/US) <BR> | |
| 3D-Plasma Experiment (U of W) <BR> | |
| Ion Composition Instrument (UNH) <BR> | |
| Energtic Particle Instrument (ESA)<BR> | |
| Potential Control Device (AUSTRIA)</FONT></TD> | |
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