Observation information
- date-obs: 2017-03-14
- time-obs: 22:18:15.642700000
- date-end: 2017-03-15
- time-end: 04:03:45.629000000
- obs_id: A02_029T01_9000001082
- exposure: 11960.8141986
- sourceid: 4U 1724-30
- observer: sudip
- ra_pnt: 261.8885
- dec_pnt: -30.80206
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A02_029T01_9000001082cztM0_level2.evt
| modeM0/AS1A02_029T01_9000001082cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,169,804,160 | 244,696,320 |
Size | 1.1 GB
| 233.4 MB
|
Events in quadrant A | 7,907,952 | 1,566,640 |
Events in quadrant B | 8,187,051 | 1,628,890 |
Events in quadrant C | 10,068,778 | 1,576,872 |
Events in quadrant D | 8,145,540 | 1,498,525 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 42 | 0 |
B | 0 | 42 | 0 |
C | 0 | 42 | 0 |
D | 0 | 42 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 34494 | 0 |
B | 0 | 35280 | 0 |
C | 0 | 40689 | 0 |
D | 0 | 35605 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 338 | 0 |
B | 0 | 338 | 0 |
C | 0 | 338 | 0 |
D | 0 | 338 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 16542 | 78 | 0.471527% |
B | 16542 | 126 | 0.761697% |
C | 16542 | 221 | 1.335993% |
D | 16542 | 100 | 0.604522% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
A | 20357 | 16545 | 9 | 9 | 0.04% | 0.05% |  |
B | 20357 | 16545 | 18 | 18 | 0.09% | 0.11% |  |
C | 20357 | 16545 | 76 | 76 | 0.37% | 0.46% |  |
D | 20357 | 16545 | 59 | 59 | 0.29% | 0.36% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
Pixel properties |
Quadrant properties |
Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
A | 0 | 128 | 69335 | 168.17 | 1994 | 1956 | 400.7 |
A | 15 | 239 | 41229 | 98.02 | 1994 | 1956 | 400.7 |
A | 8 | 15 | 31057 | 72.63 | 1994 | 1956 | 400.7 |
B | 4 | 173 | 82111 | 211.8 | 2032 | 1984 | 378.3 |
B | 10 | 16 | 67559 | 173.34 | 2032 | 1984 | 378.3 |
B | 4 | 239 | 53585 | 136.4 | 2032 | 1984 | 378.3 |
C | 1 | 16 | 2327224 | 5136.04 | 1976 | 1988 | 452.7 |
C | 12 | 4 | 38368 | 80.36 | 1976 | 1988 | 452.7 |
C | 13 | 61 | 15183 | 29.15 | 1976 | 1988 | 452.7 |
D | 1 | 52 | 348236 | 735.35 | 1954 | 1901 | 471.0 |
D | 4 | 95 | 149747 | 313.91 | 1954 | 1901 | 471.0 |
D | 2 | 234 | 50128 | 102.4 | 1954 | 1901 | 471.0 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
 |
 |
Quadrant B |
Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
Parameter |
Plot |
CZT HV Monitor |  |
D_VDD |  |
Temperature 1 |  |
Veto HV Monitor |  |
Veto LLD |  |
Alpha Counter |  |
_CPM_Rate |  |
CZT Counter |  |
+2.5 Volts monitor |  |
+5 Volts monitor |  |
_ROLL_ROT |  |
_Roll_DEC |  |
_Roll_RA |  |
Veto Counter |  |