Observation information
- date-obs: 2016-02-18
- time-obs: 14:39:06.961800000
- date-end: 2016-02-19
- time-end: 06:49:12.967100000
- obs_id: T01_034T01_9000000334
- exposure: 50360.2994604
- sourceid: NGC 188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.22392
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1T01_034T01_9000000334cztM0_level2_bc.evt
| modeM0/AS1T01_034T01_9000000334cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,530,020,160 | 794,378,880 |
Size | 1.4 GB
| 757.6 MB
|
Events in quadrant A | 12,357,251 | 5,085,339 |
Events in quadrant B | 10,469,863 | 5,198,245 |
Events in quadrant C | 9,440,586 | 5,239,252 |
Events in quadrant D | 10,606,931 | 5,059,930 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1018 | 0 |
B | 0 | 1018 | 0 |
C | 0 | 1018 | 0 |
D | 0 | 1018 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 113423 | 0 |
B | 0 | 105537 | 0 |
C | 0 | 103072 | 0 |
D | 0 | 108723 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 9 | 0 |
B | 1 | 9 | 0 |
C | 1 | 9 | 0 |
D | 1 | 9 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 50719 | 644 | 1.269741% |
B | 50719 | 133 | 0.262229% |
C | 50721 | 144 | 0.283906% |
D | 50721 | 626 | 1.234203% |
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 | 58207 | 50724 | 142 | 142 | 0.24% | 0.28% |  |
B | 58207 | 50724 | 1 | 1 | 0.00% | 0.00% |  |
C | 58207 | 50723 | 4 | 4 | 0.01% | 0.01% |  |
D | 58207 | 50723 | 117 | 117 | 0.20% | 0.23% |  |
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 | 231 | 1386058 | 2935.45 | 2252 | 2205 | 471.4 |
A | 0 | 199 | 1185706 | 2510.46 | 2252 | 2205 | 471.4 |
A | 15 | 171 | 648314 | 1370.53 | 2252 | 2205 | 471.4 |
B | 5 | 68 | 882809 | 2146.72 | 2327 | 2261 | 410.2 |
B | 0 | 234 | 216541 | 522.4 | 2327 | 2261 | 410.2 |
B | 0 | 198 | 181416 | 436.77 | 2327 | 2261 | 410.2 |
C | 10 | 82 | 158427 | 327.39 | 2280 | 2243 | 477.1 |
C | 10 | 34 | 61665 | 124.56 | 2280 | 2243 | 477.1 |
C | 1 | 192 | 56773 | 114.3 | 2280 | 2243 | 477.1 |
D | 2 | 31 | 675538 | 1378.18 | 2249 | 2180 | 488.6 |
D | 13 | 174 | 445348 | 907.04 | 2249 | 2180 | 488.6 |
D | 13 | 88 | 276043 | 560.52 | 2249 | 2180 | 488.6 |
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 |  |