NASA/Goddard Space Flight Center, Code 216, Greenbelt, MD 20771

A -- ROSSI XTE GUEST OBSERVER PROGRAM SOL NRA 96-RXTE-02 POC Jim Debelius, Contract Specialist, (301) 286-2028. This is a notice of intent to issue NASA Research Announcement (NRA) 96-RXTE-02 on or about April 1, 1996. NRA 96-RXTE-02 solicits basic research proposals for participation in the NASA program for the conduct of astrophysical observations and subsequent analysis of the resultant scientific data from the Rossi X-Ray Timing Explorer (RXTE). The primary goal of the RXTE mission is to investigate the nature and physics of compact astrophysical objects as revealed through temporal variations in their high energy emission on time scales from microseconds to years. This announcement is the second for the RXTE Guest Observer Program and solicits proposals for Cycle 2 of the mission which will begin on November 1, 1996, and last approximately one year. Observing time is available to Guest Observers during this phase. Participation in this program is open to all categories of organizations, domestic and foreign, including educational institutions, profit and non-profit organizations, NASA Centers, and other Government agencies. For detailed information on this program and instructions on how to submit a proposal, please send a written request for a copy of NRA 96-RXTE-02 to: NASA/Goddard Space Flight Center, Code 216, Attn: Jim Debelius, Greenbelt, MD 20771. (0072)

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