Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Cycle 12  CfP Release: Dec  GTO Deadline: 11 March 2010  GO Deadline: 18 March 2010  What’s New:  Joint time: Spitzer, Hubble, XMM-Newton, Suzaku, NOAO, NRAO  Special Archive: CDFS DDT Observations, additional ~$500K budget  LP/VLP: retained combined allocation in response to CUC recommendation  Peer Review: June 2010

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Cycle 12 Proposals  GTO: 60 proposals (ingested) + 3 to be reviewed  GO Deadline: 17 March 2009  # Proposals: 678  Requested time: ks  Oversubscription: 5.2  Joint time, other TACs: 3 XMM approved for total of 286 ks 8 CXO joint submitted to HST TAC

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Cycle 12 Proposal Submission  678 submitted proposals  *5.2 oversubscribed (based on time)  70 LP, 5 VLP  76 Archive (13 CDFS)  43 Theory

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Over-subscription in Time  Time request is flat (peak when VLP’s initiated)  Over-subscription in time also flat, mean (past 5 years) ~ 5.5

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Grating Time Request

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Cycle 12 Peer Review  June 2010  Hilton, Logan Airport  No major changes in Cycle 12  13 topical panels, 1 BPP  Program as last year:  Tues, Wed: topical panels  Thurs, Frid: BPP (+ initial organizational session Wed evening)  Status: 103 reviewers (inc. 13 chairs, 4 pundits)

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Chandra Deep Field South DDT  Specific CDFS archival budget of $500K  13 proposals submitted to regular call  Over-subscription: 2.44  Initial review in science category panels, grouping in single panels as far as possible  Final review including a member of each panel to merge list into final rank order

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office NASA Senior Review  Proposal generated and delivered on 9 Feb 2010  Oral Presentations made on 6 April 2010 in DC presentations by: Martin Weisskopf, Harvey Tanabaum, Belinda Wilkes, Roger Brissenden, Martin Laming Keith Hefner also present  Budget was their major issue  Report expected this week  Level of effort to prepare this was very high

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Chandra Paper Statistics Refereed Science Papers  4182 Total papers (to 04/29/2010)  : 505 papers/year  : 32 citations/paper  189 PhD Theses Refereed Chandra-related papers: 3708 Refereed Papers per year

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Chandra User Numbers  Many new X-ray Observers  2979 distinct PIs+Co-Is Cycles 1-11 (cf AAS full members: ~4250)  ~200 new PIs+Co-Is per year (steady state)  >1350 students + postdocs (over course of mission)

Chandra Users' Committee, 27 April 2010 Chandra Director’s Office Chandra’s impact on science TelescopeCitationsPapersCites/paper Chandra HST VLA Keck XMM-Newton VLT AAT Independent Large Telescope Citation Study (Trimble & Ceja 2008) (pre-Spitzer) Citations: over 3 years following publication