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JOURNAL OF EARLY PCA OBSERVATIONS OF GRO J1744-28

(Jan 18 to May 10 1996)

This table relates to the following paper:
"The main characteristics of GRO J1744-28 observed by the Proportional Counter Array experiment on the Rossi X-ray Timing Explorer", Giles, A.B., Swank, J.H., Jahoda, K., Zhang, W., Strohmayer, T., Stark, M.J., and Morgan, E.H., 1996, ApJ Lett, 469, in press

       ---------------------------------------------------------
       Obs.    UT            UT           Time    No.      Mean
       No.     Start (a)     End (a)      min.    Bursts   c/sec
					  (b)     (c)      (d)
       ---------------------------------------------------------
       1       018:18:37     019:05:12     403       9     26579 
       2       027:11:26     027:21:19     195       7     25254 
       3       029:15:51     029:16:32      31       1     26238 
       4       035:12:26     035:13:26      49       1     24825 
       5       037:23:48     038:00:40      52       2     23988 
       6a      040:00:05     040:14:15     375      12     22700 
       6b      040:17:48     041:00:05     223       4       "   
       7       046:06:25     046:08:12      66       1     20594 
       8       047:11:20     047:11:54      34       2     19839 
       9       048:14:17     048:16:33      81       4     19087 
       10      052:12:53     052:13:18      25       1     17975 
       11      056:19:27     056:20:06      39       2     16525 
       12      060:03:18     060:04:00      42       2     15359 
       13      061:20:59     061:21:42      43       2     14660 
       14      066:00:29     066:01:09      40       0     13603 
       15      069:21:01     069:21:59      58       2     12709 
       16      073:21:04     073:22:02      58       3     11516 
       17      074:17:53     074:18:52      59       3     10925 
       18      076:22:55     077:02:52     113       1     10478 
       19 (e)  079:21:19     081:01:09     114       -         -
       20 (f)  082:11:32     082:14:08     107       4      8912
       21      089:18:03     089:20:39     113       1      7680 
       22      090:16:26     090:19:04     121       4      7593 
       23 (f)  096:21:29     096:23:46      92       2      5799
       24 (f)  099:11:50     099:14:12      92       5      5285
       25 (f)  101:08:43     101:10:58      88       6      4989
       26 (f)  103:13:43     103:15:57      79       3      4418
       27 (f)  105:15:11     105:17:15      76       1      3873
       28 (f)  107:20:02     107:22:22     104       3      3278
       29      110:13:47     110:16:05      84       1      2740 
       30      112:15:33     112:17:50      90       3      2133 
       31      114:13:49     114:16:09      88       1      1765 
       32      117:21:46     118:00:20     116       1      1411 
       33      119:15:23     119:17:57     110       0      1193 
       34      121:18:39     121:20:57     100       0      1048 
       35      124:17:08     124:19:31     103       0       894 
       36 (g)  127:10:45     127:13:00      78       0       796
       37      131:22:21     131:22:54      33       0       685 
       ---------------------------------------------------------
       (a)  Time format is - day of 1996:hr:min
       (b)  On source time excludes Earth occultations and SAA passes
       (c)  Main bursts only
       (d)  Persistent flux (Crab ~13,000 c/s)
       (e)  PCA off but HEXTE data available
       (f)  Only PCU's 1, 2 and 3 on
       (g)  PCU 5 off
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