Observation information
- date-obs: 2019-01-04
- time-obs: 17:53:00.424800000
- date-end: 2019-01-04
- time-end: 21:04:49.397900000
- obs_id: C04_009T02_9000002618
- exposure: 10494.8339136
- sourceid: NGC 188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.22392
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C04_009T02_9000002618cztM0_level2_bc.evt
| modeM0/AS1C04_009T02_9000002618cztM0_level2_quad_clean.evt
|
Size (bytes) | 326,712,960 | 193,950,720 |
Size | 311.6 MB
| 185.0 MB
|
Events in quadrant A | 2,008,638 | 1,307,802 |
Events in quadrant B | 2,579,085 | 1,318,865 |
Events in quadrant C | 2,125,494 | 1,266,232 |
Events in quadrant D | 2,453,977 | 1,250,861 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 216 | 0 |
B | 0 | 216 | 0 |
C | 0 | 216 | 0 |
D | 0 | 216 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 21362 | 0 |
B | 0 | 23514 | 0 |
C | 0 | 21711 | 0 |
D | 0 | 22750 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10 | 0 |
B | 0 | 10 | 0 |
C | 0 | 10 | 0 |
D | 0 | 10 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 10556 | 21 | 0.198939% |
B | 10553 | 81 | 0.767554% |
C | 10556 | 92 | 0.871542% |
D | 10556 | 79 | 0.748390% |
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 | 11496 | 10556 | 0 | 0 | 0.00% | 0.00% |  |
B | 11496 | 10556 | 2 | 2 | 0.02% | 0.02% |  |
C | 11496 | 10556 | 0 | 0 | 0.00% | 0.00% |  |
D | 11496 | 10556 | 5 | 5 | 0.04% | 0.05% |  |
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 | 12 | 194 | 3482 | 25.3 | 522 | 512 | 117.4 |
A | 0 | 226 | 3379 | 24.42 | 522 | 512 | 117.4 |
A | 13 | 254 | 2636 | 18.09 | 522 | 512 | 117.4 |
B | 10 | 245 | 174962 | 1668.07 | 527 | 513 | 104.6 |
B | 0 | 189 | 100831 | 959.23 | 527 | 513 | 104.6 |
B | 7 | 220 | 93867 | 892.64 | 527 | 513 | 104.6 |
C | 3 | 233 | 152732 | 1266.88 | 503 | 500 | 120.2 |
C | 5 | 218 | 35879 | 294.43 | 503 | 500 | 120.2 |
C | 13 | 61 | 2930 | 20.22 | 503 | 500 | 120.2 |
D | 1 | 52 | 144850 | 1167.67 | 515 | 495 | 123.6 |
D | 12 | 233 | 74027 | 594.79 | 515 | 495 | 123.6 |
D | 7 | 238 | 73720 | 592.31 | 515 | 495 | 123.6 |
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 |  |