Observation information
- date-obs: 2019-08-17
- time-obs: 14:46:28.817200000
- date-end: 2019-08-17
- time-end: 19:37:59.809600000
- obs_id: A05_225T02_9000003100
- exposure: 10946.6999787
- sourceid: NGC 1961
- observer: joydeep
- ra_pnt: 85.12708
- dec_pnt: 69.37844
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A05_225T02_9000003100cztM0_level2_bc.evt
| modeM0/AS1A05_225T02_9000003100cztM0_level2_quad_clean.evt
|
Size (bytes) | 559,488,960 | 214,225,920 |
Size | 533.6 MB
| 204.3 MB
|
Events in quadrant A | 2,947,553 | 1,377,666 |
Events in quadrant B | 3,662,692 | 1,409,124 |
Events in quadrant C | 2,937,170 | 1,380,699 |
Events in quadrant D | 6,374,388 | 1,292,215 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 30442 | 0 |
B | 0 | 33487 | 0 |
C | 0 | 30715 | 0 |
D | 0 | 44025 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 300 | 0 |
B | 0 | 300 | 0 |
C | 0 | 300 | 0 |
D | 0 | 300 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 27 | 0 |
B | 0 | 27 | 0 |
C | 0 | 27 | 0 |
D | 0 | 27 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 14917 | 99 | 0.663672% |
B | 14917 | 200 | 1.340752% |
C | 14917 | 177 | 1.186566% |
D | 14917 | 1227 | 8.225515% |
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 | 17492 | 14917 | 0 | 0 | 0.00% | 0.00% |  |
B | 17492 | 14917 | 0 | 0 | 0.00% | 0.00% |  |
C | 17492 | 14917 | 0 | 0 | 0.00% | 0.00% |  |
D | 17492 | 14916 | 199 | 199 | 1.14% | 1.33% |  |
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 | 13 | 254 | 10467 | 57.55 | 761 | 746 | 168.9 |
A | 10 | 229 | 6450 | 33.77 | 761 | 746 | 168.9 |
A | 8 | 6 | 5572 | 28.57 | 761 | 746 | 168.9 |
B | 0 | 182 | 217343 | 1433.8 | 770 | 751 | 151.1 |
B | 7 | 220 | 158256 | 1042.66 | 770 | 751 | 151.1 |
B | 0 | 189 | 74759 | 489.92 | 770 | 751 | 151.1 |
C | 9 | 54 | 57505 | 319.08 | 746 | 741 | 177.9 |
C | 10 | 91 | 6967 | 35.0 | 746 | 741 | 177.9 |
C | 7 | 247 | 5250 | 25.35 | 746 | 741 | 177.9 |
D | 1 | 52 | 1211015 | 6997.64 | 733 | 708 | 173.0 |
D | 9 | 1 | 815017 | 4708.1 | 733 | 708 | 173.0 |
D | 2 | 16 | 694022 | 4008.54 | 733 | 708 | 173.0 |
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 |  |