Chandra Director’s Office
# Proposals per Cycle
900
Proposal Cycle 10
700
600
No. of Proposals Submitted (zoom)
Number
500
90
LP
80
VLP
400
70
Archive
60
LP
Theory
50
VLP
300
Archive
40
200
Theory
30
100
20
10
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
Cycle
Cycle
Chandra Users’ Committee, 15-16 Oct 2008
All proposals
GO
Number
 639 submitted proposals
 *5.6 oversubscribed
(based on time)
64 LP, 8 VLP
 More LPs cf Cycle 9 (48)
 57 Archive, 41 Theory
800
Chandra Director’s Office
Total Time Request
Change from Cycle 9
 Time request: -3%
 LP request: +18%
 VLP request: -40%
 Grating request: +36%
Time per Cycle (Msec)
120
100
80
Requested
60
Accepted
40
20
0
1
2
3
4
5
6
7
8
9 10
Cycle
Fraction Grating Time Requested
Oversubscription in Time
0.3
Time requested/time available
Ratio: Gratings/Total Request
0.35
0.25
0.2
0.15
0.1
0.05
0
1
2
3
4
5
6
7
8
9
10
Cycle
Chandra Users’ Committee, 15-16 Oct 2008
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9
10
Cycle
Chandra Director’s Office
Oversubscription by Category
Oversubscription by Category
12
 LP/VLP competed for full
8
Archive
Theory
LP
VLP
GO
6
4
2
0
1
2
3
4
5
6
7
8
9
10
Cycle
Oversubscription by Category
12
10
Oversubscription Ratio
6 Msec
 LP/VLP Over-subscription:
6.5
 BUT: no VLPs approved
Oversubscription Ratio
10
8
Archive
Theory
LP
VLP
GO
6
4
2
0
1
2
3
4
5
6
7
8
9
10
Cycle
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office
Allocation by Instrument and Science Category
Effective Oversubscription in Time
Surveys: Glc
Time Allocated per
Instrument
Surveys: Eglc
HRC-S
2%
HRC-S/LETG
4%
HRC-I
0%
Time Allocated by
Surveys: Glc
Science Category
1%
Solar System
Surveys: Eglc
Stars & WD
0%
4%
13%
WD Binrs &
Clusters
CV
16%
4%
Clusters
ACIS-I
AGN
22%
BH&NS Binrs
14%
Gals: Poplns
Gals: Diffuse
AGN
18%
SN, SNR
ACIS-S/HETG
ACIS-S
53%
18%
BH&NS Binrs
Gals: Poplns
2%
ACIS-S/LETG
1%
WD Binrs & CV
SN, SNR
22%
Gals: Diffuse
6%
b
Stars & WD
Solar System
0
2
Chandra Users’ Committee, 15-16 Oct 2008
4
6
8
10
12
14
Chandra Director’s Office
Gratings Proposals
Grating Time Request
30000
Success rate
back to normal
Time
25000
20000
TOTAL
15000
HETG
10000
LETG
5000
0
1
2
3
4
5
6
7
8
9
10
Cycle
Over-subscription
Ratio
10
8
6
Total
HETG
4
2
LETG
0
1
2
3
4
5
6
7
8
9
10
Cycle
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office
Archive/Theory Results
Oversubscription
7
Archive:
 Budget: $1100K
 Allocated $1340K
 Over-subscription: 2.7
 Theory:
 Budget: $600K
 Allocated: $730K
 Over-subscription: 4.0
 Reason: panels grading and
priorities
 Increased total GO funds to
cover: $410K
6
5
4
Archive
Theory
3
2
1
0
Chandra Users’ Committee, 15-16 Oct 2008
3
4
5
6
7
8
9
10
Proposal Cycle
Chandra Director’s Office
Joint Chandra Proposals
 Joint Proposals approved by other TACs
 XMM TAC: 2 approved: 220 ksecs
 HST TAC: 2 approved: 110 ksecs
 Joint Proposals approved by Chandra TAC
 HST: 14 proposals; 72 orbits
 XMM: 2 proposals; 154 ksec
 RXTE: 2 proposals; 420 ksec
 NOAO: 7 proposals; 20 nights
 NRAO: 8 proposals; 93 hrs
 Spitzer: non available
 Cycle 11
 No RXTE
 Suzaku: under negotiation
 Spitzer warm – restored up to 100 hrs
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office
Other Peer Review Results
 Constrained Observations:
 Same as last year (Easy: 45; Average 35; Diff. 20)
 Joint allocated: 5D, 2A
 Allocated: Diff: 8/15; A+E: 96/70 (1D=2(A+E))
 Keep the same for Cycle 11
 Developing Constraint classification tool in RPS
 TOOs:
 over-subscribed SLOW (12-30 days) for the first
time
 Cost Review:
 External: for proposals asking for > fair share (~15)
 Internal: remainder
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office
Cycle 11 Updates
WebVis: major update:




New Look!
Cursor readout
Zoom capability
Pitch angle observing
restrictions
 Constraint and Slew Tax
Estimator:
 In RPS
 Constraint class and
count for each target
 Slew tax for each
target
 Total for proposal
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office
Einstein Fellows
 NASA HQ mandated: Fellows Programs by SMD Theme
• Provide stability unrelated to missions and uniformity
• Retain prestige by stopping proliferation
• Will build/change #s as missions within themes begin and end
SMD
THEME
EXOPLANET
EXPLORATION
COSMIC
ORIGINS
PHYSICS
OF THE
COSMOS
Fellowship
name
Number of
Fellowships
Sagan
Hubble
Einstein
Chandra Users’ Committee, 15-16 Oct 2008
5
Program
Administered
by
Exoplanet
Science
Institute
Old
Fellowship
Program(s)
Michelson
Hubble
Spitzer
17
STScI
10
Chandra X-ray Chandra
Center
GLAST
(Fermi)
Chandra Director’s Office
Einstein Fellows
 CXC directed to issue call for new Einstein Fellows program
in place of original Chandra Fellowships in mid July
 Einstein Fellowship program was separated from CXC,
detailed negotiations over budget and contract were
completed at short notice
 All material (announcements, advertisements and web
pages) were updated to reflect the change
 Nancy Evans will provide more details later in the day
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office
Response to April 2008 CUC Report
1) Chandra Source Catalog: has been released, demo today
(Ian Evans)
2) Gratings Threads, update: Dave H.
3) CIAO Workshop: scheduled for Oct 2008
4) Mission Planning, update: Pat S.
5+6) Chandra/Einstein Fellows: Nancy Evans
7) Cross-calibration: memo released, update Larry D.
8) Joint Suzaku/Chandra time: being negotiated
9) CXC Website: new design open for CUC comments
Chandra Users’ Committee, 15-16 Oct 2008
Chandra Director’s Office