Cycle 22 Recommended Targets: Statistics

Statistics for all proposals submitted to the peer review, including the GTO proposals which were competed. This does NOT include GTO time which was uncompeted or Calibration observations. Units for time are given in kiloseconds.

1. Proposals by Type

                                Requested  
Type           #Prop   #Tgts  #TC=Y    ReqTime    w/Prob
--------------------------------------------------------
GO              300     957   143     40861.46  40861.46
LP               47     344     9     25901.90  25901.90
TOO              68     106    29      5923.70   3013.13
TOO/LP            1       8     4       480.00    384.00
VLP              10      88    18     21407.60  21407.60
ARCHIVE          57       0     0      4714.19      0.00
THEORY           36       0     0      2894.80      0.00
                ---    ----   ---    --------- ---------
                519    1503   203     94574.66  91568.08

                 Approved 
#Prop   #Tgts  #TC=Y    AppTime    w/Prob Units
-------------------------------------------------
  90     253    37     11672.23  11672.23  ksec
  14      64     4      6845.60   6845.60  ksec
  36      51    14      2701.20   1196.78  ksec

   1      64     0      1677.60   1677.60  ksec
  14       0     0      1025.09      0.00  1000 US dollars
   8       0     0       619.80      0.00  1000 US dollars
 ---    ----   ---    --------- ---------
 163     432    55     22896.63  21392.21

Multicycle Proposals

Requested Type #Prop Cycle 22 Cycle 23 Cycle 24 -------------------------------------------------- GO 9 625.60 806.60 707.60 LP 1 140.00 140.00 140.00 TOO 2 506.00 32.00 32.00 ----- --------- --------- --------- 12 1271.60 978.60 879.60

Approved #Prop Cycle 22 Cycle 23 Cycle 24 ------------------------------------ 5 402.00 583.00 484.00 ----- --------- --------- --------- 5 402.00 583.00 484.00

2. Proposals by Subject Category
#Props includes Archive/Theory proposals.

                                                    Requested 
Category                                   #Prop   #Tgts     ReqTime     w/Prob
-------------------------------------------------------------------------------
SOLAR SYSTEM AND EXOPLANETS                    8      27      1213.00   1213.00
STARS AND WD                                  58     138      6463.80   6300.30
WD BINARIES AND CV                            11      24       873.00    753.30
BH AND NS BINARIES                            64     108      8252.00   7337.68
SN, SNR AND ISOLATED NS                       71     134      7961.50   7482.70
GRAVITATIONAL WAVE EVENT                       4       5       870.00    295.00
NORMAL GALAXIES: DIFFUSE EMISSION             11       9      1650.00   1623.00
NORMAL GALAXIES: X-RAY POPULATIONS            25      66      4838.00   4838.00
ACTIVE GALAXIES AND QUASARS                  163     674     33058.98  32428.97
CLUSTERS OF GALAXIES                          79     102     18123.48  18123.48
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS    17     136      7300.30   7258.30
GALACTIC DIFFUSE EMISSION AND SURVEYS          8      80      3970.60   3914.35
                                             ---    ----    --------- ---------
                                             519    1503     94574.66  91568.08

           Approved 
  #Prop   #Tgts    AppTime    w/Prob
  ----------------------------------
    2       3       546.00    546.00
   24      42      1976.00   1916.00
    3       5       240.00    127.50
   27      32      3013.00   2419.98
   26      54      3175.00   2909.60
    1       1       200.00    200.00
    1       1        30.00      3.00
    9      33      1693.00   1693.00
   41     167      5799.45   5409.20
   21      21      2863.58   2863.58
    3       1       900.00    900.00
    5      72      2460.60   2404.35
  ---    ----     --------  --------
  163     432     22896.63  21392.21

Multicycle Proposals

Requested Category #Prop Cycle 22 Cycle 23 Cycle 24 ------------------------------------------------------------------------------ ACTIVE GALAXIES AND QUASARS 1 38.60 38.60 38.60 BH AND NS BINARIES 3 160.00 100.00 100.00 EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS 1 180.00 360.00 360.00 GRAVITATIONAL WAVE EVENT 2 516.00 102.00 2.00 NORMAL GALAXIES: X-RAY POPULATIONS 1 50.00 50.00 50.00 SN, SNR AND ISOLATED NS 2 182.00 183.00 184.00 STARS AND WD 2 145.00 145.00 145.00 ----- --------- --------- --------- 12 1271.60 978.60 879.60

Approved #Prop Cycle 22 Cycle 23 Cycle 24 ----------------------------------- 1 180.00 360.00 360.00 1 100.00 100.00 0.00 1 50.00 50.00 50.00 1 42.00 43.00 44.00 1 30.00 30.00 30.00 --- --------- --------- --------- 5 402.00 583.00 484.00

3. Targets,Exposure Time by Detector

                                Requested
Detector  Grating    #Tgts      Time    w/Prob
----------------------------------------------
ACIS-I    NONE         284  34782.58  34570.58
ACIS-S    HETG          45  10729.00  10300.70
ACIS-S    NONE        1100  45037.08  42744.80
HRC-I     NONE          51   2452.00   2445.50
HRC-S     LETG           9   1152.00   1084.50
HRC-S     NONE          14    422.00    422.00
                      ---- --------- ---------
                      1503  94574.66  91568.08

            Approved
 #Tgts      Time    w/Prob
--------------------------
   125   7559.18   7347.18
    13   1799.00   1572.50
   268  11853.45  10856.53
    17    924.00    922.50
     6    639.00    571.50
     3    122.00    122.00
  ----  --------  --------
   432  22896.63  21392.21

4. Targets by Exposure Time Range

            Requested
Time            #Tgts
---------------------
   0>=T<2           13
   2>=T<4          148
   4>=T<8          195
   8>=T<16         274
  16>=T<32         386
  32>=T<64         183
  64>=T<128        153
 128>=T<400        108
 400>=T<1000        36
1000>=T<10000        7

5. Proposals by Exposure Time Range

            Requested
Time            #Prop
---------------------
   0>=T<2            0
   2>=T<4            1
   4>=T<8            1
   8>=T<16           7
  16>=T<32          16
  32>=T<64          68
  64>=T<128        137
 128>=T<400        134
 400>=T<1000        51
1000>=T<10000       11

6. Number of Proposals per P.I.

   Requested
#Prop   #P.I.
-------------
  1       295
  2        73
  3        15
  4         1
  5         3
  7         2

 Approved
     #P.I.
 ---------
     123
      17
       2

7. Proposals by Country

                       Requested
Country         #Prop       Time    w/Prob
------------------------------------------
BULGARIA          1        40.00     40.00
CANADA            4       604.00    604.00
CHILE             3       315.00    315.00
CHINA             2       628.00    628.00
FRANCE            2       300.00    175.50
GERMANY          17      3217.00   2968.60
GREECE            1       100.00    100.00
INDIA             6       503.00    495.00
IRELAND           1       504.00    504.00
ITALY            31      9918.40   9743.40
JAPAN             9       967.00    869.00
KOREA, SOUTH      2       230.00    230.00
NETHERLANDS      13      2632.00   2521.00
RUSSIA            1        80.00     80.00
SERBIA            1       125.00    125.00
SOUTH AFRICA      1        10.00     10.00
SPAIN             7       991.00    931.50
TAIWAN            3       250.00    250.00
THAILAND          1        45.00     45.00
TURKEY            2       250.00    250.00
UNITED ARAB EMI   1        12.00      2.40
UNITED KINGDOM   16      4149.80   4072.30
USA             394     68703.46  66608.38


Total Foreign   125     25871.20  24959.70

             Approved
    #Prop         Time     w/Prob
    -----------------------------
        1        40.00     40.00
        2       184.00    184.00


        1       150.00     25.50
        5       454.00    333.60

        1        80.00     72.00
        1       504.00    504.00
       13      2899.40   2754.40
        3       217.00    119.00

        4      1080.00   1080.00


        1        10.00     10.00
        1       200.00    200.00



        1        12.00      2.40
        6       619.00    597.50
      123     16447.23  15469.81


       40      6449.40   5922.40

10.12.3 Tuesday, December 05, 2023
The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: cxchelp@cfa.harvard.edu Smithsonian Institution, Copyright © 1998-. All rights reserved.