Chandra X-Ray Observatory (CXC)

Cycle 26 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              237     692    68     30788.83  30788.83
GTO/TOO           1       1     0       300.00     30.00
LP               30     454    16     18821.71  18821.71
TOO              50      78    26      5998.00   2480.92
TOO/LP            1       2     2       470.00    117.50
VLP               6      52     0      9112.10   9112.10
ARCHIVE          58       0     0      4349.65      0.00
THEORY           23       0     0      2081.05      0.00
                ---    ----   ---    --------- ---------
                406    1279   112     65490.64  61351.07
                 Approved 
#Prop   #Tgts  #TC=Y    AppTime    w/Prob Units
-------------------------------------------------
  72     219    26      8092.73   8092.73  ksec
   1       1     0       300.00     30.00  ksec
   6      31     0      3234.00   3234.00  ksec
  26      33    10      2404.00    816.30  ksec
   1       1     1       200.00     50.00  ksec
   1       1     0      1600.00   1600.00  ksec


 ---    ----   ---    --------- ---------
 107     286    37     15830.73  13823.03

Multicycle Proposals
                             Requested  
Type           #Prop  Cycle 26  Cycle 27  Cycle 28 
--------------------------------------------------
GO                3    115.00    116.00     42.00
TOO               2    180.00    184.00    151.00
              ----- --------- --------- ---------
                  5    295.00    300.00    193.00 
               Approved  
 #Prop  Cycle 26  Cycle 27  Cycle 28 
------------------------------------
     1     30.00     31.00     32.00
     1     90.00     34.00      1.00
 ----- --------- --------- ---------
     2    120.00     65.00     33.00

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

                                                    Requested 
Category                                   #Prop   #Tgts     ReqTime     w/Prob
-------------------------------------------------------------------------------
SOLAR SYSTEM AND EXOPLANETS                   10      25      1796.00   1796.00
STARS AND WD                                  28      67      3560.00   3492.50
WD BINARIES AND CV                             8      16       765.00    626.25
BH AND NS BINARIES                            48      80      4303.10   2723.77
SN, SNR AND ISOLATED NS                       67     118      6324.00   5743.60
GRAVITATIONAL WAVE EVENT                       5       6      1070.00    197.50
NORMAL GALAXIES: DIFFUSE EMISSION             12       5       928.00    928.00
NORMAL GALAXIES: X-RAY POPULATIONS            26     184      6004.20   6004.20
ACTIVE GALAXIES AND QUASARS                  131     670     27766.54  27023.69
CLUSTERS OF GALAXIES                          59      90     12178.80  12178.80
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS     6       3       240.00    240.00
GALACTIC DIFFUSE EMISSION AND SURVEYS          8      17       695.00    536.75
                                             ---    ----    --------- ---------
                                             408    1281     65630.64  61491.07
           Approved 
  #Prop   #Tgts    AppTime    w/Prob
  ----------------------------------
    2       5       118.00    118.00
    7      14       894.50    894.50
    2       3       335.00    284.75
   19      45      1370.10    609.20
   19      39      2063.50   1978.20
    3       3       750.00    105.00
    1       1        28.00     28.00
    6      37      1248.80   1248.80
   31      96      5952.83   5644.83
   12      28      2585.00   2585.00
    2       3       240.00    240.00
    3      12       245.00     86.75
  ---    ----     --------  --------
  107     286     15830.73  13823.03

Multicycle Proposals
                                                         Requested  
Category                                   #Prop  Cycle 26  Cycle 27  Cycle 28 
------------------------------------------------------------------------------
BH AND NS BINARIES                             1     90.00     34.00      1.00
SN, SNR AND ISOLATED NS                        2    120.00    181.00    182.00
SOLAR SYSTEM AND EXOPLANETS                    1     75.00     75.00      0.00
STARS AND WD                                   1     10.00     10.00     10.00
                                           ----- --------- --------- ---------
                                               5    295.00    300.00    193.00 
              Approved  
#Prop  Cycle 26  Cycle 27  Cycle 28 
-----------------------------------
    1     90.00     34.00      1.00 
    1     30.00     31.00     32.00 


  --- --------- --------- ---------
    2    120.00     65.00     33.00

3. Targets,Exposure Time by Detector

                                Requested
Detector  Grating    #Tgts      Time    w/Prob
----------------------------------------------
ACIS-I    NONE         168  18210.80  18210.80
ACIS-S    HETG          74   5108.50   3724.75
ACIS-S    NONE        1011  39710.34  36995.02
HRC-I     NONE          16   1149.00   1149.00
HRC-S     LETG           6   1294.00   1253.50
HRC-S     NONE           6    158.00    158.00
                      ---- --------- ---------
                      1281  65630.64  61491.07
            Approved
 #Tgts      Time    w/Prob
--------------------------
    51   4693.00   4693.00
    24   2036.00   1349.75
   201   8645.73   7324.28
     5    339.00    339.00
     1     59.00     59.00
     4     58.00     58.00
  ----  --------  --------
   286  15830.73  13823.03

4. Targets by Exposure Time Range

            Requested
Time            #Tgts
---------------------
   0<=T<2           13
   2<=T<4           25
   4<=T<8          268
   8<=T<16         295
  16<=T<32         302
  32<=T<64         156
  64<=T<128        108
 128<=T<400         92
 400<=T<1000        17
1000<=T<10000        5
      Approved
         #Tgts
         -----
            12
             6
            20
            67
            78
            49
            30
            19
             4
             1

5. Proposals by Exposure Time Range

            Requested
Time            #Prop
---------------------
   0<=T<2            0
   2<=T<4            0
   4<=T<8            1
   8<=T<16           9
  16<=T<32          29
  32<=T<64          61
  64<=T<128         76
 128<=T<400        112
 400<=T<1000        33
1000<=T<10000        6
      Approved
         #Prop
         -----
             0
             0
             1
             5
            13
            23
            28
            30
             6
             1

6. Number of Proposals per P.I.

   Requested
#Prop   #P.I.
-------------
  1       238
  2        55
  3        10
  4         6
  6         1
 Approved
     #P.I.
 ---------
      90
       7
       1


7. Proposals by Country

                       Requested
Country         #Prop       Time    w/Prob
------------------------------------------
AUSTRALIA         1       160.00    160.00
CANADA            2       190.00    190.00
CHINA            10      1153.00   1153.00
CZECHIA           1       200.00    200.00
FRANCE            1       150.00     37.50
GERMANY           7      1154.00   1098.00
GREECE            2       440.00    440.00
INDIA             3       350.00    350.00
IRELAND           1        58.00     58.00
ITALY            28      8381.50   8141.50
JAPAN             8      1430.00   1226.00
KOREA, SOUTH      3       210.00    210.00
NETHERLANDS       4       667.00    355.00
PORTUGAL          1        90.00     90.00
SPAIN             5       426.00    276.00
SWEDEN            1       200.00    200.00
TAIWAN            2       185.00    185.00
UNITED ARAB EMI   1        12.00      3.60
UNITED KINGDOM    6      2391.10   2391.10
USA             321     47783.04  44726.37


Total Foreign    87     17847.60  16764.70
             Approved
    #Prop         Time     w/Prob
    -----------------------------
        1       160.00    160.00

        2       110.00    110.00

        1       150.00     37.50
        2       170.00    170.00
        1       150.00    150.00
        1        50.00     50.00
        1        58.00     58.00
        7      1223.50    983.50
        2       250.00    250.00



        2       166.00    166.00


        1        12.00      3.60
        3       891.10    891.10
       83     12440.13  10793.33


       24      3390.60   3029.70

10.13.1 Monday, December 09, 2024
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