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GSFC XMM-Newton GOF Status Report #225: XMM-NEWTON NEWS #129

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_/           XMM-NEWTON NEWS #129    ---    10-Oct-2011           _/
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             XMM-Newton Science Operations Centre at
              ESA's European Space Astronomy Centre,
P.O. Box - Apdo. 78, 28691 Villanueva de la Canada, Madrid, Spain


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  - XMM-Newton AO-11 closure

XMM-Newton AO-11 closure

The XMM-Newton eleventh Announcement  of Opportunity (AO-11) closed on
the 7th of October 2011.

In total,  501 valid proposals  were submitted, requesting 87.5  Ms of
science time. This Announcement of  Opportunity covers a period of one
year, with 14500  ks of observing time available  for distribution, of
which  1500  ks were  already  allocated in  AO-10  for  a very  large
program. The over-subscription factor is 6.7.

A  total   of  62  proposals  for  "Large   Programs"  were  received.
Triggered/ToO observations  were requested  in 37 proposals.   For the
joint  programs, 38 proposals  were submitted:  14 for  the XMM-Newton
Chandra program, 8 for the  XMM-Newton ESO (VLT and VLTI) program, and
17 for the XMM-Newton HST program.

SOC received proposals from 378 different principal investigators from
27 countries, mostly  ESA member states, the United  States and Japan.
The number  of countries involved increases to  37 if co-investigators
are taken  into account  as well. Considering  principal investigators
and co-investigators,  about 1450 individual  scientists were involved
in the response to the eleventh Announcement of Opportunity.

Yours sincerely,

XMM-Newton SOC

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