Chandra X-Ray Observatory (CXC)

Cycle 19 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              339    1014    88     44233.99  44233.99
GTO               1      12     0        48.00     48.00
GTO/TOO           1       1     0       300.00     30.00
LP               39     115     5     23236.70  23236.70
TOO              66      99    11      5769.40   2725.80
TOO/LP            1       1     1       450.00    270.00
VLP              15     359     6     27700.00  27700.00
ARCHIVE          73       0     0      5095.34      0.00
THEORY           39       0     0      2856.00      0.00
                ---    ----   ---    --------- ---------
                574    1601   111    101738.09  98244.49
                 Approved 
#Prop   #Tgts  #TC=Y    AppTime    w/Prob Units
-------------------------------------------------
  77     240    19      8901.90   8901.90  ksec

   1       1     0       300.00     30.00  ksec
   7      34     1      3887.70   3887.70  ksec
  35      55     5      3040.40   1228.75  ksec

   2       2     0      2700.00   2700.00  ksec
  24       0     0      1498.60      0.00  1000 US dollars
   9       0     0       636.00      0.00  1000 US dollars
 ---    ----   ---    --------- ---------
 155     332    25     18830.00  16748.35

Multicycle Proposals
                             Requested  
Type           #Prop  Cycle 19  Cycle 20  Cycle 21 
--------------------------------------------------
GO                7    380.00    380.00    290.00
LP                1    270.00    300.00    330.00
TOO               1     90.00     30.00     30.00
              ----- --------- --------- ---------
                  9    740.00    710.00    650.00 
               Approved  
 #Prop  Cycle 19  Cycle 20  Cycle 21 
------------------------------------
     2     90.00     30.00     30.00

     1     90.00     30.00     30.00
 ----- --------- --------- ---------
     3    180.00     60.00     60.00

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

                                                    Requested 
Category                                   #Prop   #Tgts     ReqTime     w/Prob
-------------------------------------------------------------------------------
SOLAR SYSTEM                                   3       2       189.50    189.50
STARS AND WD                                  83     133     11518.30  11412.80
WD BINARIES AND CV                            15      18      1511.00   1453.00
BH AND NS BINARIES                            72      94      7509.00   5868.58
SN, SNR AND ISOLATED NS                       83     190     11991.00  11302.05
NORMAL GALAXIES: DIFFUSE EMISSION             19      45      4074.00   4047.00
NORMAL GALAXIES: X-RAY POPULATIONS            33      61      5369.40   5369.40
ACTIVE GALAXIES AND QUASARS                  144     784     21782.19  20864.96
CLUSTERS OF GALAXIES                          94     243     26458.70  26458.70
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS    16      16      9699.00   9699.00
GALACTIC DIFFUSE EMISSION AND SURVEYS         12      15      1636.00   1579.50
                                             ---    ----    --------- ---------
                                             574    1601    101738.09  98244.49
           Approved 
  #Prop   #Tgts    AppTime    w/Prob
  ----------------------------------
    1       1        80.00     80.00
   21      26      2310.10   2204.60
    1       1        25.00     25.00
   31      41      2681.00   1513.58
   25      43      2917.50   2627.50
    3       2       340.00    340.00
    7      11       413.00    413.00
   38     123      4292.70   3826.47
   21      76      5350.70   5350.70
    4       7       345.00    345.00
    3       1        75.00     22.50
  ---    ----     --------  --------
  155     332     18830.00  16748.35

Multicycle Proposals
                                                         Requested  
Category                                   #Prop  Cycle 19  Cycle 20  Cycle 21 
------------------------------------------------------------------------------
ACTIVE GALAXIES AND QUASARS                    2     50.00     50.00     50.00
BH AND NS BINARIES                             3    250.00    190.00    190.00
NORMAL GALAXIES: X-RAY POPULATIONS             2    360.00    390.00    330.00
STARS AND WD                                   2     80.00     80.00     80.00
                                           ----- --------- --------- ---------
                                               9    740.00    710.00    650.00 
              Approved  
#Prop  Cycle 19  Cycle 20  Cycle 21 
-----------------------------------
    1     30.00     30.00     30.00 
    2    150.00     30.00     30.00 


  --- --------- --------- ---------
    3    180.00     60.00     60.00

3. Targets,Exposure Time by Detector

                                Requested
Detector  Grating    #Tgts      Time    w/Prob
----------------------------------------------
ACIS-I    NONE         338  40457.20  40397.20
ACIS-S    HETG          51  12575.00  11458.20
ACIS-S    LETG           3   1145.00   1067.10
ACIS-S    NONE        1167  42432.89  40557.24
HRC-I     NONE          23   2123.00   2122.00
HRC-S     LETG          10   2190.00   1849.00
HRC-S     NONE           9    815.00    793.75
                      ---- --------- ---------
                      1601 101738.09  98244.49
            Approved
 #Tgts      Time    w/Prob
--------------------------
    95   6703.20   6647.20
    18   3505.00   2765.90

   210   7869.80   6911.00
     1      2.00      1.00
     3    615.00    309.50
     5    135.00    113.75
  ----  --------  --------
   332  18830.00  16748.35

4. Targets by Exposure Time Range

            Requested
Time            #Tgts
---------------------
   0>=T<2           20
   2>=T<4           49
   4>=T<8          434
   8>=T<16         292
  16>=T<32         263
  32>=T<64         220
  64>=T<128        149
 128>=T<400        116
 400>=T<1000        47
1000>=T<10000       11
      Approved
         #Tgts
         -----
             4
            15
            32
           120
            48
            49
            24
            31
             7
             1

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          24
  32>=T<64          81
  64>=T<128        146
 128>=T<400        147
 400>=T<1000        38
1000>=T<10000       17
      Approved
         #Prop
         -----
             0
             1
             1
             5
            10
            23
            33
            39
             9
             1

6. Number of Proposals per P.I.

   Requested
#Prop   #P.I.
-------------
  1       312
  2        77
  3        25
  4         4
  5         2
  7         1
 Approved
     #P.I.
 ---------
     109
      18
       2
       1


7. Proposals by Country

                       Requested
Country         #Prop       Time    w/Prob
------------------------------------------
ARGENTINA         1        50.00     45.00
AUSTRALIA         1        61.00     61.00
BELGIUM           3       710.00    710.00
BULGARIA          1        40.00     40.00
CANADA            8      1921.00   1741.80
CHILE             2       120.00    120.00
FRANCE            4       770.00    638.00
GERMANY          18      4202.00   4075.80
GREECE            3       444.40    444.40
HUNGARY           1       100.00    100.00
INDIA             4       350.00    342.00
ISRAEL            1       450.00    270.00
ITALY            33      9188.00   9001.15
JAPAN            11      2185.00   2081.00
KOREA             1        80.00     80.00
MEXICO            2       670.00    670.00
NETHERLANDS       8       940.00    817.10
POLAND            1        75.00     75.00
RUSSIA            1       160.00    160.00
SPAIN             6      1044.00   1001.50
SWEDEN            2       350.00    350.00
SWITZERLAND       1       350.00    350.00
TAIWAN            3       627.00    627.00
TURKEY            4       540.00    524.00
UK               25      8425.00   8303.75
UNITED STATES     1         0.00      0.00
USA             428     67885.69  65615.99


Total Foreign   146     33852.40  32628.50
             Approved
    #Prop         Time     w/Prob
    -----------------------------
        1        50.00     45.00
        1        61.00     61.00
        1        10.00     10.00

        1       170.00    170.00

        1       150.00     18.00



        1        30.00     30.00

        7       639.00    532.15



        2       205.00    160.00
        1        75.00     75.00






        9      3314.00   3242.75

      130     14126.00  12404.45


       25      4704.00   4343.90

10.9.3 Tuesday, October 27, 2020
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 © 1998-2019. All rights reserved.