RXTE proposals due Fri 30th July

[Alan Smale <alan@osiris.gsfc.nasa.gov>]

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                 RXTE Cycle 5 proposals due Friday!
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This is a friendly reminder that the RXTE proposal deadline is coming
up fast ... Friday, 30th July 1999.

Remember:

* The PCA count rates quoted on the Target Forms should be for 3 PCUs,
Please check to see that your exposure times and technical feasibility
are formulated with an expectation of using an average of three PCUs. 
(W3PIMMS now includes 3 PCU totals, and Webspec has a 3 PCU option.)

* Cycle 5 proposers are specifically encouraged to consider projects
that would benefit from large amounts of observing time. "Large"
proposals (>500 ksec) are allowed 6 pages for their scientific
justification and technical feasibility.

* On March 22, 1999, the PCU gains were reduced again -- we're now in
PCA Calibration Epoch 4. W3PIMMS and Webspec both use the Epoch 4
matrices.


The first two items are covered in an Amendment to AN 99-OSS-02,
released by NASA HQ on May 28, 1999.  For further details on any of
the items above, see:

            http://rxte.gsfc.nasa.gov/docs/xte/cycle5.html

All questions, as usual, to    xtehelp@athena.gsfc.nasa.gov.



| Dr. Alan P. Smale                | xtehelp@athena.gsfc.nasa.gov (RXTE)|
| RXTE Guest Observer Facility     | alan@osiris.gsfc.nasa.gov (me)     |
| Code 662,  NASA/GSFC             | (301) 286-7063 (voice)             | 
| Greenbelt, MD 20771, USA         | (301) 286-1682 (FAX)               |
|              RXTE GOF homepage: http://rxte.gsfc.nasa.gov             |


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