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| <META NAME="GENERATOR" CONTENT="Adobe PageMill 3.0 Win"> | |
| <TITLE>International Program Office - ASTRO-E Project</TITLE> | |
| </HEAD> | |
| <BODY TEXT="#000099" BGCOLOR="#ffffff" VLINK="#990099"> | |
| <P><CENTER><TABLE WIDTH="569" BORDER="0" CELLSPACING="2" CELLPADDING="0"> | |
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| <IMG SRC="../../Images/Astro_E.JPG" WIDTH="139" HEIGHT="97" | |
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| <TD WIDTH="75%"> | |
| <P><CENTER><B><FONT COLOR="#ff0000" SIZE="+2" FACE="Arial"><IMG | |
| SRC="../../../images/INTL_ASTROE_Title_LG.jpg" WIDTH="144" HEIGHT="72" | |
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| <TR> | |
| <TD COLSPAN="2"> | |
| <P> </P> | |
| <P><FONT COLOR="#000099" SIZE="-1" FACE="Arial">The </FONT><FONT | |
| SIZE="-1" FACE="Arial"><A HREF="http://www.astro.isas.ac.jp/xray/mission/astroe/astroeE.html">ASTRO-E</A></FONT><FONT | |
| COLOR="#000099" SIZE="-1" FACE="Arial"> mission is an international cooperative | |
| project between NASA and the Japanese Institute of Space and Astronautical | |
| Science (</FONT><FONT SIZE="-1" FACE="Arial"><A | |
| HREF="http://www.isas.ac.jp/">ISAS</A></FONT><FONT COLOR="#000099" | |
| SIZE="-1" FACE="Arial">). The spacecraft, launch vehicle, and some of the | |
| science instrumentation are being provided by ISAS. In this joint project, | |
| GSFC will provide the X-Ray Spectrometer (XRS) Detector System (</FONT><FONT SIZE="-1" FACE="Arial"><A | |
| HREF="http://lheawww.gsfc.nasa.gov/docs/xray/astroe/astroe.html">XDS</A></FONT><FONT | |
| COLOR="#000099" SIZE="-1" FACE="Arial">) and five(5) X-Ray Telescopes (</FONT><FONT SIZE="-1" FACE="Arial"><A HREF="http://lheawww.gsfc.nasa.gov/docs/xray/astroe/MirrorLab/xrt.html">XRT</A></FONT><FONT | |
| COLOR="#000099" SIZE="-1" FACE="Arial">). Additionally, GSFC will manage | |
| a reimbursable contract with MIT to provide the Charge Couple Device | |
| (CCD), the Focal Plane Assembly (FPA), and its associated Analog Electronics | |
| Assembly (AE) for the X-Ray Imaging Spectrometer (</FONT><FONT SIZE="-1" FACE="Arial"><A HREF="http://heasarc.gsfc.nasa.gov/docs/astroe/xis_inst.html">XIS</A></FONT><FONT | |
| COLOR="#000099" SIZE="-1" FACE="Arial">) instrument.</FONT></P> | |
| <P><FONT COLOR="#000099" SIZE="-1" FACE="Arial">ASTRO-E Mission is the | |
| Japan's fifth X-Ray Astronomy mission scheduled to be launched on January | |
| 24, 2000. The major purposes of ASTRO-E is to observe astronomical objects | |
| in a cosmological distance in X-Ray wavelengths, to perform very fine | |
| and wide-band X-Ray spectroscopy of cosmic high temperature plasmas. | |
| ASTRO-E also carries the Japanese Hard X-Ray Detector (HXD). The </FONT><FONT SIZE="-1" FACE="Arial">XIS | |
| utilizes four X-Ray CCD cameras in conjunction with four of the x-ray | |
| telescopes to cover an energy range of 0.4-10 keV with a typical energy | |
| resolution of 100 eV. The XDS is an array of X-Ray micro calorimeters | |
| which uses the fifth x-ray telescope and covers an energy range similar | |
| to XIS with a typical energy resolution of 12 eV. The HXD is a combination | |
| of well type phoswitch scintilators and Si Pin detectors and covers | |
| a 10-700 keV energy range.</FONT></P> | |
| <P> </P> | |
| <P><B><FONT COLOR="#000099" SIZE="-1" FACE="Arial">Salient Features:</FONT></B></P> | |
| <P><B><FONT COLOR="#000099" SIZE="-1" FACE="Arial">Project Start:</FONT></B><FONT | |
| COLOR="#000099" SIZE="-1" FACE="Arial"> 2nd quarter 1995 <BR> | |
| <B>Spacecraft Weight:</B> 1,696 kg <BR> | |
| <B>Planned Lifetime:</B> 2 years with additional extended mission | |
| <BR> | |
| <B>Orbit:</B> 550 km with 31 deg inclination <BR> | |
| <B>Launch:</B> M-V from Japan in 2000</FONT></P> | |
| <P><B><FONT COLOR="#000099" SIZE="-1" FACE="Arial">Instrument | |
| Complement:</FONT></B></P> | |
| <P><FONT COLOR="#000099" SIZE="-1" FACE="Arial">X-Ray Spectrometer | |
| (XRS)<BR> | |
| X-Ray Imaging Spectrometer (XIS)<BR> | |
| Hard X-Ray detector (HXD)</FONT></P> | |
| <P><FONT COLOR="#000099" SIZE="-2" FACE="Arial">Last Updated: | |
| 3/29/99</FONT></TD> | |
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