Chandra X-Ray Observatory (CXC)

Cycle 14 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              390    1141    82     41484.60  41484.60
GTO               3       5     0       128.00    128.00
GTO/TOO           1       1     0       150.00     15.00
LP               77     398    38     37173.50  37173.50
TOO              58     108    10      5242.00   2664.03
TOO/LP            1       5     0       125.00     88.75
XVP              17     500     7     41652.80  41652.80
ARCHIVE          72       0     0      4630.77      0.00
THEORY           53       0     0      3804.88      0.00
                ---    ----   ---    --------- ---------
                672    2158   137    125955.90 123206.68
                 Approved 
#Prop   #Tgts  #TC=Y    AppTime    w/Prob Units
-------------------------------------------------
 115     295    31     10440.80  10440.80  ksec
   2       4     0        78.00     78.00  ksec

  12      78    18      5670.00   5670.00  ksec
  27      46     6      2435.00    952.53  ksec

   4      60     0      6188.00   6188.00  ksec
  17       0     0      1094.85      0.00  1000 US dollars
   8       0     0       653.91      0.00  1000 US dollars
 ---    ----   ---    --------- ---------
 185     483    55     24811.80  23329.33  (includes multi-cycle time)

Multicycle Proposals
                             Requested  
Type           #Prop  Cycle 14  Cycle 15  Cycle 16 
--------------------------------------------------
GO                5    339.00    304.00    140.00
LP                4   1404.00   1072.00    333.00
TOO               1     90.00     30.00     30.00
XVP               1   1738.80    910.00      0.00
              ----- --------- --------- ---------
                 11   3571.80   2316.00    503.00 
               Approved  
 #Prop  Cycle 14  Cycle 15  Cycle 16 
------------------------------------
     2     80.00     80.00     80.00
     2    771.00    539.00      0.00
     1     90.00     30.00     30.00

 ----- --------- --------- ---------
     5    941.00    649.00    110.00

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

                                                    Requested 
Category                                   #Prop   #Tgts     ReqTime     w/Prob
-------------------------------------------------------------------------------
SOLAR SYSTEM                                   1       1        80.00     64.00
STARS AND WD                                 100     215     13652.00  13576.00
WD BINARIES AND CV                            22      34      1747.00   1553.00
BH AND NS BINARIES                            78     167      8324.80   7256.83
SN, SNR AND ISOLATED NS                      112     228     15603.50  14795.25
NORMAL GALAXIES: DIFFUSE EMISSION             31      58      3356.00   3356.00
NORMAL GALAXIES: X-RAY POPULATIONS            45     180      5207.00   5207.00
ACTIVE GALAXIES AND QUASARS                  146     613     23366.60  22932.60
CLUSTERS OF GALAXIES                         106     592     23888.60  23888.60
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS    22      51     27216.40  27063.40
GALACTIC DIFFUSE EMISSION AND SURVEYS          9      19      3514.00   3514.00
                                             ---    ----    --------- ---------
                                             672    2158    125955.90 123206.68
           Approved 
  #Prop   #Tgts    AppTime    w/Prob
  ----------------------------------
    0       0         0.00      0.00
   28      74      3407.00   3376.00
    3       3       110.00    110.00
   28      59      2788.00   2248.03
   41      59      4928.50   4443.00
    7      10       370.00    370.00
   11      37      1086.00   1086.00
   32     128      4526.30   4253.30
   25      95      4131.00   4131.00
    8      16      3420.00   3267.00
    2       2        45.00     45.00
  ---    ----     --------  --------
  185     483     24811.80  23329.33

Multicycle Proposals
                                                         Requested  
Category                                   #Prop  Cycle 14  Cycle 15  Cycle 16 
------------------------------------------------------------------------------
ACTIVE GALAXIES AND QUASARS                    2    821.00    489.00      0.00
BH AND NS BINARIES                             2    423.00    363.00    363.00
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS     1   1738.80    910.00      0.00
NORMAL GALAXIES: X-RAY POPULATIONS             2    134.00    134.00     30.00
SN, SNR AND ISOLATED NS                        3    360.00    360.00     50.00
STARS AND WD                                   1     95.00     60.00     60.00
                                           ----- --------- --------- ---------
                                              11   3571.80   2316.00    503.00 
              Approved  
#Prop  Cycle 14  Cycle 15  Cycle 16 
-----------------------------------
    1    521.00    289.00      0.00 
    1     90.00     30.00     30.00 

    1     30.00     30.00     30.00 
    2    300.00    300.00     50.00 

  --- --------- --------- ---------
    5    941.00    649.00    110.00

3. Targets,Exposure Time by Detector

                                Requested
Detector  Grating    #Tgts      Time    w/Prob
----------------------------------------------
ACIS-I    NONE         798  50890.30  50758.80
ACIS-S    HETG          61  10927.00  10105.60
ACIS-S    LETG           4   1550.00   1490.00
ACIS-S    NONE        1234  56502.60  55097.28
HRC-I     NONE          42    953.00    846.00
HRC-S     LETG          15   4423.00   4199.00
HRC-S     NONE           4    710.00    710.00
                      ---- --------- ---------
                      2158 125955.90 123206.68
            Approved
 #Tgts      Time    w/Prob
--------------------------
   162  11739.00  11607.50
    18   2534.00   2204.60

   272   9852.80   9019.23
    27    316.00    316.00
     3    340.00    152.00
     1     30.00     30.00
  ----  --------  --------
   483  24811.80  23329.33

4. Targets by Exposure Time Range

            Requested
Time            #Tgts
---------------------
   0>=T<2           21
   2>=T<4           99
   4>=T<8          389
   8>=T<16         501
  16>=T<32         449
  32>=T<64         305
  64>=T<128        231
 128>=T<300         91
 300>=T<1000        62
1000>=T<10000       10
      Approved
         #Tgts
         -----
             5
             8
            54
           120
           134
            68
            57
            25
             9
             1

5. Proposals by Exposure Time Range

            Requested
Time            #Prop
---------------------
   0>=T<2            1
   2>=T<4            0
   4>=T<8            1
   8>=T<16           6
  16>=T<32          40
  32>=T<64         101
  64>=T<128        180
 128>=T<300        124
 300>=T<1000        77
1000>=T<10000       17
      Approved
         #Prop
         -----
             1
             0
             2
             2
            20
            37
            49
            33
            13
             3

6. Number of Proposals per P.I.

   Requested
#Prop   #P.I.
-------------
  1       350
  2       105
  3        23
  4         8
  5         1
  6         1
 Approved
     #P.I.
 ---------
     128
      24
       1


       1

7. Proposals by Country

                       Requested
Country         #Prop       Time    w/Prob
------------------------------------------
ARGENTINA         1        90.00     90.00
AUSTRALIA         4       795.00    795.00
AUSTRIA           1        30.00     30.00
BELGIUM           3      1010.00   1010.00
BULGARIA          2       205.00    205.00
CANADA           14      1748.00   1622.90
CHILE             1       283.00    283.00
CHINA             1        50.00     50.00
FINLAND           1        22.00     22.00
FRANCE            4      2360.00   2220.50
GERMANY          33      8289.00   8071.00
INDIA             6       555.00    555.00
IRELAND           2        35.00     35.00
ISRAEL            2       325.00    288.75
ITALY            22      4124.00   4032.50
JAPAN             6       679.00    619.00
KOREA             1       198.10    198.10
MEXICO            1       170.00     17.00
NETHERLANDS       9       937.00    720.00
RUSSIA            1       105.00    105.00
SPAIN             9       611.00    568.50
SWITZERLAND       1        30.00     30.00
TAIWAN            2       307.00    307.00
THE NETHERLANDS   1       100.00     40.00
TURKEY            4       397.00    346.00
UK               28      7923.10   7655.10
USA             512     94577.70  93290.33


Total Foreign   160     31378.20  29916.35
             Approved
    #Prop         Time     w/Prob
    -----------------------------


        1        30.00     30.00


        5       330.00    277.50



        2       180.00     40.50
        3       306.00    246.00



        5       722.00    662.50
        2       145.00    145.00

        1       170.00     17.00
        4       431.00    284.00

        2       115.00     72.50




        9      1285.00   1033.00
      151     21097.80  20521.33


       34      3714.00   2808.00

10.13 Thursday, September 19, 2024
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.