Observation information
- date-obs: 2017-04-22
- time-obs: 12:36:32.361400000
- date-end: 2017-04-22
- time-end: 23:39:32.339800000
- obs_id: A03_030T01_9000001194
- exposure: 19616.4678338
- sourceid: NGC 4472
- observer: pshastri
- ra_pnt: 187.4449
- dec_pnt: 8.000411
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A03_030T01_9000001194cztM0_level2.evt
| modeM0/AS1A03_030T01_9000001194cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,703,286,080 | 388,676,160 |
Size | 2.5 GB
| 370.7 MB
|
Events in quadrant A | 16,231,838 | 2,419,933 |
Events in quadrant B | 16,848,150 | 2,421,745 |
Events in quadrant C | 15,902,804 | 2,387,463 |
Events in quadrant D | 30,503,537 | 2,116,684 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 72776 | 0 |
B | 0 | 73779 | 0 |
C | 0 | 72422 | 0 |
D | 0 | 115510 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 47 | 0 |
B | 0 | 47 | 0 |
C | 0 | 47 | 0 |
D | 0 | 47 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 714 | 0 |
B | 0 | 714 | 0 |
C | 0 | 714 | 0 |
D | 0 | 714 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 35313 | 588 | 1.665109% |
B | 35315 | 660 | 1.868894% |
C | 35313 | 417 | 1.180868% |
D | 35312 | 5169 | 14.638083% |
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 | 39781 | 35320 | 2 | 2 | 0.01% | 0.01% |  |
B | 39781 | 35318 | 33 | 33 | 0.08% | 0.09% |  |
C | 39781 | 35320 | 3 | 3 | 0.01% | 0.01% |  |
D | 39781 | 35317 | 4284 | 4284 | 10.77% | 12.13% |  |
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 | 4 | 2 | 80410 | 89.81 | 4173 | 4085 | 849.9 |
A | 13 | 251 | 79900 | 89.21 | 4173 | 4085 | 849.9 |
A | 0 | 226 | 38550 | 40.55 | 4173 | 4085 | 849.9 |
B | 0 | 214 | 206642 | 252.65 | 4177 | 4075 | 801.8 |
B | 11 | 51 | 138561 | 167.73 | 4177 | 4075 | 801.8 |
B | 12 | 111 | 91726 | 109.32 | 4177 | 4075 | 801.8 |
C | 13 | 61 | 30861 | 28.42 | 4057 | 4064 | 942.8 |
C | 9 | 54 | 28336 | 25.74 | 4057 | 4064 | 942.8 |
C | 8 | 128 | 23284 | 20.39 | 4057 | 4064 | 942.8 |
D | 13 | 105 | 8173341 | 8957.84 | 3737 | 3639 | 912.0 |
D | 12 | 221 | 4131614 | 4526.21 | 3737 | 3639 | 912.0 |
D | 1 | 52 | 3350563 | 3669.81 | 3737 | 3639 | 912.0 |
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 |  |