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Workshop on Studies of Dark Energy and Cosmology with X-ray Surveys

Second announcement:
A workshop on Studies of Dark Energy and Cosmology with X-ray Surveys.

Dates:  January 15-16 2004

Location:  Greenbelt Marriott near GSFC, Maryland

web-site:  http://universe.gsfc.nasa.gov/workshop/
e-mail:  xraysurvey@athena.gsfc.nasa.gov

This is the second announcement of the Workshop.  The agenda and
current list of confirmed invited speakers is attached.  Goals
of the meeting and key questions to be considered are summarized
in the first circular (http://universe.gsfc.nasa.gov/workshop/circular1.html)

Reminder:  The abstract deadline is Dec. 1, and the early registration
deadline is Dec. 15.  Please submit your abstracts and registration early
as space considerations limit the workshop to ~75 participants.

Confirmed speakers:  M. Turner, Z. Haiman, X. Barcons, H. Bohringer, W. Hu,
R. Griffiths, D. Wittman, S. Kahn, A. Riess, M. Gladders, J. Carlstrom,
P. Henry, B. Aschenbach, K. Jahoda, P. Schuecker, J. Mohr, M. Bautz, P. Viana, G. Hasinger

*Workshop Outline:

Thursday Morning: Precision Cosmology and X-ray Surveys

  - Historical overview
  - Critical cosmology questions today
  - Cluster constraints on cosmology
  - AGN constraints on cosmology
  - Results from past and ongoing cluster X-ray surveys
  - How is the X-ray survey complementary to other cosmological 

Thursday Afternoon: Cluster and AGN Surveys in Other Bands

  - The Dark Universe Explorer SMEX (Phase A study mission)
  - Optical, near-IR and SZE surveys for galaxy clusters
  - Supernovae
  - Future large optical surveys
  - The redshift followup issue and optimally combining optical and 
      X-ray surveys

Friday Morning: Survey Technologies - Instrumentation and Analysis

  - Overview of driving scientific requirements
  - Mirror design and fabrication for X-ray surveys
  - The role of wide field imaging and high resolution spectroscopy
  - X-ray detectors for surveys
  - Cluster detection in X-ray surveys
  - Combined spectral and spatial analysis
  - Analysis of large cluster samples

Friday Afternoon: Remaining Challenges and Future Missions

  - Mass estimators and scatter
  - Systematic limitations to cluster and AGN cosmology
  - Cluster science
  - Critical questions that can be addressed with XMM/Chandra


*Logistics and Registration:*

The meeting will take place at the Greenbelt Marriott, 6400 Ivy Lane,
Greenbelt, MD.  A block of rooms has been reserved for the meeting 
at a special rate of $139/night (below the US government rate for
this area).  Lunch each day is included in the registration fee, which
will be ~$225.

We anticipate making invited and contributed contributions available
on a workshop web-page.

Information may be found on the workshop web page at:

Correspondence concerning this workshop may be addressed to:
xraysurvey@athena.gsfc.nasa.gov (preferred) or


*Science organizing committee:*

Hans Boehringer, Guenther Hasinger, Pat Henry, Keith Jahoda , Steve 
Kahn, Joe Mohr, Rob Petre, and Nick White


We hope to see you at the workshop!
Keith Jahoda and Joe Mohr for the SOC

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