Observation information
- date-obs: 2020-06-09
- time-obs: 02:19:40.187900000
- date-end: 2020-06-09
- time-end: 04:34:14.180500000
- obs_id: A09_057T04_9000003712
- exposure: 4347.66005652
- sourceid: NGC 7531
- observer: sreeja
- ra_pnt: 348.7021
- dec_pnt: -43.59995
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_057T04_9000003712_25400cztM0_level2.evt
| modeM0/AS1A09_057T04_9000003712_25400cztM0_level2_quad_clean.evt
|
| Size (bytes) | 491,400,000 | 97,292,160 |
| Size | 468.6 MB
| 92.8 MB
|
| Events in quadrant A | 3,267,045 | 629,070 |
| Events in quadrant B | 3,308,344 | 639,484 |
| Events in quadrant C | 3,611,997 | 618,239 |
| Events in quadrant D | 4,255,911 | 608,397 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15 | 0 |
| B | 0 | 16 | 0 |
| C | 0 | 16 | 0 |
| D | 0 | 16 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13536 | 0 |
| B | 0 | 13791 | 0 |
| C | 0 | 14836 | 0 |
| D | 0 | 17327 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6468 | 18 | 0.278293% |
| B | 6468 | 34 | 0.525665% |
| C | 6467 | 69 | 1.066955% |
| D | 6467 | 37 | 0.572135% |
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 | 7583 | 6469 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7583 | 6468 | 0 | 0 | 0.00% | 0.00% |  |
| C | 7582 | 6467 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7582 | 6468 | 13 | 13 | 0.17% | 0.20% |  |
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 | 6 | 16 | 69086 | 416.53 | 823 | 809 | 163.9 |
| A | 15 | 173 | 24737 | 145.97 | 823 | 809 | 163.9 |
| A | 13 | 254 | 8677 | 48.0 | 823 | 809 | 163.9 |
| B | 0 | 190 | 64098 | 410.13 | 816 | 795 | 154.3 |
| B | 0 | 229 | 32568 | 205.85 | 816 | 795 | 154.3 |
| B | 12 | 111 | 18716 | 116.11 | 816 | 795 | 154.3 |
| C | 7 | 87 | 328280 | 1743.42 | 803 | 808 | 187.8 |
| C | 14 | 238 | 129752 | 686.48 | 803 | 808 | 187.8 |
| C | 9 | 54 | 13178 | 65.85 | 803 | 808 | 187.8 |
| D | 1 | 52 | 674457 | 3446.23 | 813 | 791 | 195.5 |
| D | 8 | 195 | 469046 | 2395.42 | 813 | 791 | 195.5 |
| D | 7 | 238 | 31954 | 159.42 | 813 | 791 | 195.5 |
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 |  |