Observation information
- date-obs: 2017-01-30
- time-obs: 11:01:44.237400000
- date-end: 2017-01-30
- time-end: 13:19:04.238200000
- obs_id: C02_016T01_9000000992
- exposure: 7693.08263743
- sourceid: NGC 188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.22392
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C02_016T01_9000000992cztM0_level2_bc.evt
| modeM0/AS1C02_016T01_9000000992cztM0_level2_quad_clean.evt
|
Size (bytes) | 239,569,920 | 135,236,160 |
Size | 228.5 MB
| 129.0 MB
|
Events in quadrant A | 1,545,760 | 898,962 |
Events in quadrant B | 1,724,353 | 911,270 |
Events in quadrant C | 1,396,038 | 889,855 |
Events in quadrant D | 2,053,634 | 857,675 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 156 | 0 |
B | 0 | 156 | 0 |
C | 0 | 156 | 0 |
D | 0 | 156 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 5 | 0 |
B | 0 | 5 | 0 |
C | 0 | 5 | 0 |
D | 0 | 5 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 15825 | 0 |
B | 0 | 16494 | 0 |
C | 0 | 15624 | 0 |
D | 0 | 17852 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7746 | 74 | 0.955332% |
B | 7746 | 86 | 1.110250% |
C | 7746 | 44 | 0.568035% |
D | 7746 | 92 | 1.187710% |
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 | 8241 | 7745 | 0 | 0 | 0.00% | 0.00% |  |
B | 8241 | 7745 | 0 | 0 | 0.00% | 0.00% |  |
C | 8241 | 7745 | 0 | 0 | 0.00% | 0.00% |  |
D | 8241 | 7745 | 5 | 5 | 0.06% | 0.06% |  |
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 | 8 | 15 | 137788 | 1641.72 | 361 | 353 | 83.7 |
A | 3 | 1 | 6991 | 79.29 | 361 | 353 | 83.7 |
A | 11 | 116 | 3176 | 33.72 | 361 | 353 | 83.7 |
B | 0 | 214 | 126143 | 1713.04 | 365 | 354 | 73.4 |
B | 4 | 81 | 77290 | 1047.74 | 365 | 354 | 73.4 |
B | 4 | 239 | 57635 | 780.07 | 365 | 354 | 73.4 |
C | 9 | 68 | 6000 | 68.68 | 353 | 346 | 82.3 |
C | 1 | 3 | 2349 | 24.33 | 353 | 346 | 82.3 |
C | 10 | 22 | 2339 | 24.21 | 353 | 346 | 82.3 |
D | 2 | 216 | 278757 | 3213.43 | 354 | 339 | 86.6 |
D | 2 | 33 | 127974 | 1473.13 | 354 | 339 | 86.6 |
D | 2 | 14 | 109171 | 1256.11 | 354 | 339 | 86.6 |
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 |  |