Cycle 27 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              208     557    69     29067.50  29067.50
LP               25     339    21     15726.00  15726.00
TOO              56      89    24      6036.00   3171.19
TOO/LP            1       2     2       470.00    107.50
VLP               9     254     1     14795.00  14795.00


                ---    ----   ---    --------- ---------
                299    1241   117     66094.50  62867.19

                 Approved 
#Prop   #Tgts  #TC=Y    AppTime    w/Prob Units
-------------------------------------------------
  65     153    24      7804.80   7804.80  ksec
   6      10     0      3250.00   3250.00  ksec
  28      33    14      2672.00   1423.85  ksec
   1       2     2       470.00    107.50  ksec
   2       2     0      2000.00   2000.00  ksec


 ---    ----   ---    --------- ---------
 102     200    40     16196.80  14586.15

Multicycle Proposals

Requested Type #Prop Cycle 27 Cycle 28 Cycle 29 -------------------------------------------------- GO 5 332.00 333.00 259.00 LP 1 352.00 352.00 256.00 TOO 1 90.00 34.00 1.00 ----- --------- --------- --------- 7 774.00 719.00 516.00

Approved #Prop Cycle 27 Cycle 28 Cycle 29 ------------------------------------ 1 75.00 75.00 0.00 1 90.00 34.00 1.00 ----- --------- --------- --------- 2 165.00 109.00 1.00

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

                                                    Requested 
Category                                   #Prop   #Tgts     ReqTime     w/Prob
-------------------------------------------------------------------------------
SOLAR SYSTEM AND EXOPLANETS                    7      14      1630.00   1555.00
STARS AND WD                                  32     100      5864.00   5781.50
WD BINARIES AND CV                             6      17       546.00    369.25
BH AND NS BINARIES                            40      54      4120.00   2967.80
SN, SNR AND ISOLATED NS                       58     120      7609.00   7129.69
GRAVITATIONAL WAVE EVENT                       3       4       920.00    332.50
NORMAL GALAXIES: DIFFUSE EMISSION              7       9      1287.80   1287.80
NORMAL GALAXIES: X-RAY POPULATIONS             9      28      2110.00   2080.00
ACTIVE GALAXIES AND QUASARS                   94     547     26964.70  26376.90
CLUSTERS OF GALAXIES                          36      81     12027.00  12027.00
EXTRAGALACTIC DIFFUSE EMISSION AND SURVEYS     2      30       655.00    655.00
GALACTIC DIFFUSE EMISSION AND SURVEYS          5     237      2361.00   2304.75
                                             ---    ----    --------- ---------
                                             299    1241     66094.50  62867.19

           Approved 
  #Prop   #Tgts    AppTime    w/Prob
  ----------------------------------
    4       4      1215.00   1215.00
    9      26      1488.00   1488.00
    5      10       381.00    322.75
   18      22      1327.00    771.30
   24      38      3427.00   3237.85
    1       2       470.00    107.50
    1       1       500.00    500.00
    4      11       580.00    550.00
   27      74      5184.80   4826.00
    7       9      1449.00   1449.00
    0       0         0.00      0.00
    2       3       175.00    118.75
  ---    ----     --------  --------
  102     200     16196.80  14586.15

Multicycle Proposals

Requested Category #Prop Cycle 27 Cycle 28 Cycle 29 ------------------------------------------------------------------------------ ACTIVE GALAXIES AND QUASARS 3 494.00 494.00 398.00 BH AND NS BINARIES 1 90.00 34.00 1.00 SN, SNR AND ISOLATED NS 1 52.00 53.00 54.00 SOLAR SYSTEM AND EXOPLANETS 1 75.00 75.00 0.00 STARS AND WD 1 63.00 63.00 63.00 ----- --------- --------- --------- 7 774.00 719.00 516.00

Approved #Prop Cycle 27 Cycle 28 Cycle 29 ----------------------------------- 1 90.00 34.00 1.00 1 75.00 75.00 0.00 --- --------- --------- --------- 2 165.00 109.00 1.00

3. Targets, Exposure Time by Detector

                                Requested
Detector  Grating    #Tgts      Time    w/Prob
----------------------------------------------
ACIS-I    NONE         347  17920.00  17920.00
ACIS-S    HETG          30   3646.00   3145.25
ACIS-S    NONE         697  39035.70  36456.14
HRC-I     HETG           1    150.00    150.00
HRC-I     NONE          84   2843.80   2768.80
HRC-S     LETG           9   1574.00   1502.00
HRC-S     NONE          73    925.00    925.00
                      ---- --------- ---------
                      1241  66094.50  62867.19

            Approved
 #Tgts      Time    w/Prob
--------------------------
    27   2989.00   2989.00
     9   1109.00    874.75
   146  10714.80   9338.40

    13     85.00     85.00
     3   1119.00   1119.00
     2    180.00    180.00
  ----  --------  --------
   200  16196.80  14586.15

4. Targets by Exposure Time Range

            Requested
Time            #Tgts
---------------------
   0<=T<2            3
   2<=T<4           11
   4<=T<8          312
   8<=T<16         317
  16<=T<32         205
  32<=T<64         170
  64<=T<128        101
 128<=T<400        101
 400<=T<1000        16
1000<=T<10000        5

5. Proposals by Exposure Time Range

            Requested
Time            #Prop
---------------------
   0<=T<2            0
   2<=T<4            0
   4<=T<8            0
   8<=T<16           7
  16<=T<32          19
  32<=T<64          49
  64<=T<128         75
 128<=T<400        114
 400<=T<1000        26
1000<=T<10000        9

6. Number of Proposals per P.I.

   Requested
#Prop   #P.I.
-------------
  1       192
  2        33
  3         9
  4         2
  6         1

 Approved
     #P.I.
 ---------
      81
       7
       1
       1

7. Proposals by Country

                       Requested
Country         #Prop       Time    w/Prob
------------------------------------------
AUSTRALIA         1       100.00    100.00
BELGIUM           1       224.00    224.00
CANADA            3       134.00     82.90
CHINA             5       373.00    373.00
CZECHIA           1       200.10    200.10
FRANCE            5       487.90    375.40
GERMANY           8      1429.00   1387.00
GREECE            1       330.00    330.00
HONG KONG         2       205.00    205.00
INDIA             4       795.00    795.00
ISRAEL            1       180.00    180.00
ITALY            26      6211.00   5836.00
JAPAN            12      1978.00   1774.00
KOREA, SOUTH      1        40.00     40.00
NETHERLANDS       2       120.00    120.00
SPAIN             2       390.00    390.00
SWEDEN            1       200.00    200.00
TAIWAN            1        50.00     50.00
THAILAND          1       128.00    128.00
UNITED ARAB EMI   1        12.00      3.60
UNITED KINGDOM    6      2040.00   1960.00
USA             214     50467.50  48113.19


Total Foreign    85     15627.00  14754.00

             Approved
    #Prop         Time     w/Prob
    -----------------------------


        1        60.00     12.00
        1        60.00     60.00
        1       200.10    200.10
        2       330.00    217.50
        4       670.00    628.00




        6      1477.00   1477.00
        4       554.00    554.00




        1        50.00     50.00

        1        12.00      3.60
        2      1130.00   1065.00
       79     11653.70  10318.95


       23      4543.10   4267.20

10.14.2 Tuesday, September 16, 2025
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