Chandra X-Ray Observatory (CXC)

Cycle 16 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              379    1060    84     39787.80  39787.80
GTO               2       5     4       160.00    160.00
GTO/TOO           1       1     0        80.00     80.00
LP               64     347    18     32947.60  32947.60
TOO              73     127    20      7831.00   3479.17
XVP              14     128    11     27688.50  27688.50
ARCHIVE          75       0     0      5156.91      0.00
THEORY           29       0     0      2030.30      0.00
                ---    ----   ---    --------- ---------
                637    1668   137    108494.90 104143.07
                 Approved 
#Prop   #Tgts  #TC=Y    AppTime    w/Prob Units
-------------------------------------------------
 125     285    22     11242.40  11242.40  ksec
   1       4     4       100.00    100.00  ksec
   1       1     0        80.00     80.00  ksec
   9      22     6      4048.00   4048.00  ksec
  32      43    12      2620.00    969.63  ksec
   3       7     2      5350.00   5350.00  ksec
  13       0     0      1058.00      0.00  1000 US dollars
   8       0     0       561.90      0.00  1000 US dollars
 ---    ----   ---    --------- ---------
 192     362    46     23440.40  21790.03

Multicycle Proposals
                             Requested  
Type           #Prop  Cycle 16  Cycle 17  Cycle 18 
--------------------------------------------------
GO                6    380.00    280.00    310.00
LP                3    630.00    570.00    450.00
TOO               3    195.00    110.00     30.00
              ----- --------- --------- ---------
                 12   1205.00    960.00    790.00 
               Approved  
 #Prop  Cycle 16  Cycle 17  Cycle 18 
------------------------------------
     4    305.00    205.00    235.00

     1     90.00     30.00     30.00
 ----- --------- --------- ---------
     5    395.00    235.00    265.00

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

                                                    Requested 
Category                                   #Prop   #Tgts     ReqTime     w/Prob
-------------------------------------------------------------------------------
SOLAR SYSTEM                                   4       4       660.00    660.00
STARS AND WD                                  80     206     13150.50  13089.50
WD BINARIES AND CV                            19      31      2033.00   1874.50
BH AND NS BINARIES                            83     115      6532.00   4143.37
SN, SNR AND ISOLATED NS                      104     144      9281.00   8543.30
NORMAL GALAXIES: DIFFUSE EMISSION             30      58      9408.00   9408.00
NORMAL GALAXIES: X-RAY POPULATIONS            39     128      6272.80   6202.80
ACTIVE GALAXIES AND QUASARS                  131     562     20799.60  19870.60
CLUSTERS OF GALAXIES                         117     333     30039.30  30039.30
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS    14      54      7754.00   7754.00
GALACTIC DIFFUSE EMISSION AND SURVEYS         16      33      2564.70   2557.70
                                             ---    ----    --------- ---------
                                             637    1668    108494.90 104143.07
           Approved 
  #Prop   #Tgts    AppTime    w/Prob
  ----------------------------------
    1       1        54.00     54.00
   24      35      2141.50   2110.50
    6       8       498.00    443.00
   35      38      2324.00   1341.93
   35      40      2553.00   2324.20
    3       0         0.00      0.00
   12      58      1063.80    993.80
   38     105      6424.10   6147.60
   32      65      6423.00   6423.00
    2       3      1280.00   1280.00
    4       9       679.00    672.00
  ---    ----     --------  --------
  192     362     23440.40  21790.03

Multicycle Proposals
                                                         Requested  
Category                                   #Prop  Cycle 16  Cycle 17  Cycle 18 
------------------------------------------------------------------------------
ACTIVE GALAXIES AND QUASARS                    1     30.00     30.00     30.00
BH AND NS BINARIES                             2    115.00     55.00     55.00
CLUSTERS OF GALAXIES                           1    180.00    120.00      0.00
GALACTIC DIFFUSE EMISSION AND SURVEYS          1    160.00    160.00    160.00
NORMAL GALAXIES: X-RAY POPULATIONS             1    250.00    250.00    250.00
SN, SNR AND ISOLATED NS                        2    145.00     45.00     75.00
STARS AND WD                                   1     20.00     20.00     20.00
WD BINARIES AND CV                             3    305.00    280.00    200.00
                                           ----- --------- --------- ---------
                                              12   1205.00    960.00    790.00 
              Approved  
#Prop  Cycle 16  Cycle 17  Cycle 18 
-----------------------------------

    2    115.00     55.00     55.00 

    1    160.00    160.00    160.00 

    1    100.00      0.00     30.00 
    1     20.00     20.00     20.00 

  --- --------- --------- ---------
    5    395.00    235.00    265.00

3. Targets,Exposure Time by Detector

                                Requested
Detector  Grating    #Tgts      Time    w/Prob
----------------------------------------------
ACIS-I    NONE         537  48566.60  48381.60
ACIS-S    HETG          52   9644.00   8375.55
ACIS-S    LETG           3    320.00    260.00
ACIS-S    NONE        1027  45072.30  42945.32
HRC-I     NONE          22    205.00    205.00
HRC-S     LETG          19   4332.00   3643.60
HRC-S     NONE           8    355.00    332.00
                      ---- --------- ---------
                      1668 108494.90 104143.07
            Approved
 #Tgts      Time    w/Prob
--------------------------
   112  11340.00  11284.00
    20   3239.00   2388.75
     1    100.00    100.00
   222   8401.40   7726.28
     2     90.00     90.00
     3    250.00    195.00
     2     20.00      6.00
  ----  --------  --------
   362  23440.40  21790.03

4. Targets by Exposure Time Range

            Requested
Time            #Tgts
---------------------
   0>=T<2           17
   2>=T<4           52
   4>=T<8          191
   8>=T<16         380
  16>=T<32         335
  32>=T<64         320
  64>=T<128        218
 128>=T<300        105
 300>=T<1000        40
1000>=T<10000       10
      Approved
         #Tgts
         -----
             9
            21
            41
            71
            56
            57
            59
            33
             8
             2

5. Proposals by Exposure Time Range

            Requested
Time            #Prop
---------------------
   0>=T<2            0
   2>=T<4            0
   4>=T<8            1
   8>=T<16          11
  16>=T<32          43
  32>=T<64          99
  64>=T<128        163
 128>=T<300        132
 300>=T<1000        70
1000>=T<10000       14
      Approved
         #Prop
         -----
             0
             0
             1
            10
            20
            35
            56
            36
            10
             3

6. Number of Proposals per P.I.

   Requested
#Prop   #P.I.
-------------
  1       316
  2        89
  3        31
  4         7
  5         3
  7         1
 Approved
     #P.I.
 ---------
     146
      20
       2



7. Proposals by Country

                       Requested
Country         #Prop       Time    w/Prob
------------------------------------------
AUSTRALIA         1        40.00     40.00
BELGIUM           1       350.00    350.00
CANADA           10       817.00    694.30
CHILE             1       140.00    140.00
CHINA             2       235.00    235.00
ESTONIA           1       750.00    150.00
FINLAND           1       137.00    137.00
FRANCE            5       845.00    690.50
GERMANY          30      5294.00   5022.00
GREECE            1       500.00    115.00
INDIA             3       280.00    277.60
ISRAEL            1        60.00     30.00
ITALY            32      8650.00   8562.00
JAPAN            14      1255.70   1251.70
MEXICO            1       300.00    300.00
NETHERLANDS      10      3025.00   2692.50
POLAND            1        40.00     40.00
SOUTH AFRICA      1       115.00    115.00
SPAIN             8      1781.00   1738.50
SWITZERLAND       7      1284.00   1284.00
TAIWAN            3       228.00    228.00
TURKEY            1        60.00     60.00
UK               26      7921.00   7714.94
USA             476     74387.20  72275.03


Total Foreign   161     34107.70  31868.04
             Approved
    #Prop         Time     w/Prob
    -----------------------------

        1       350.00    350.00
        2       175.00    122.50




        3       650.00    522.50
       12      1419.00   1147.00



        8       480.00    410.00
        3        90.00     90.00

        5      2440.00   2215.00


        3       235.00    192.50
        1       200.00    200.00
        1        46.00     46.00

        4       425.00    425.00
      149     16930.40  16069.53


       43      6510.00   5720.50

DS10.9 Saturday May 16 2020
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