Observation information
- date-obs: 2018-01-20
- time-obs: 15:46:36.455000000
- date-end: 2018-01-20
- time-end: 17:55:02.459200000
- obs_id: T01_218T01_9000001852
- exposure: 4159.29161134
- sourceid: Mrk 421
- observer: subirbhattacharyya
- ra_pnt: 166.1138
- dec_pnt: 38.20883
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T01_218T01_9000001852_12515cztM0_level2.evt
| modeM0/AS1T01_218T01_9000001852_12515cztM0_level2_quad_clean.evt
|
| Size (bytes) | 471,772,800 | 80,778,240 |
| Size | 449.9 MB
| 77.0 MB
|
| Events in quadrant A | 3,235,821 | 504,304 |
| Events in quadrant B | 3,524,214 | 507,146 |
| Events in quadrant C | 3,015,339 | 502,955 |
| Events in quadrant D | 4,071,465 | 479,036 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13968 | 3 |
| B | 0 | 14819 | 2 |
| C | 0 | 13401 | 2 |
| D | 0 | 16594 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 13 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6488 | 49 | 0.755240% |
| B | 6488 | 135 | 2.080764% |
| C | 6488 | 43 | 0.662762% |
| D | 6488 | 213 | 3.282984% |
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 | 7499 | 6490 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7499 | 6490 | 44 | 44 | 0.59% | 0.68% |  |
| C | 7499 | 6490 | 3 | 3 | 0.04% | 0.05% |  |
| D | 7499 | 6490 | 119 | 119 | 1.59% | 1.83% |  |
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 | 189 | 73807 | 454.06 | 787 | 770 | 160.9 |
| A | 1 | 162 | 42894 | 261.88 | 787 | 770 | 160.9 |
| A | 8 | 6 | 30961 | 187.69 | 787 | 770 | 160.9 |
| B | 4 | 239 | 333403 | 2205.21 | 788 | 769 | 150.8 |
| B | 0 | 214 | 24797 | 159.29 | 788 | 769 | 150.8 |
| B | 3 | 209 | 23040 | 147.65 | 788 | 769 | 150.8 |
| C | 12 | 4 | 9531 | 48.75 | 770 | 772 | 179.7 |
| C | 13 | 61 | 5760 | 27.76 | 770 | 772 | 179.7 |
| C | 14 | 234 | 2979 | 12.28 | 770 | 772 | 179.7 |
| D | 1 | 52 | 940903 | 5133.99 | 759 | 737 | 183.1 |
| D | 8 | 195 | 150643 | 818.6 | 759 | 737 | 183.1 |
| D | 7 | 71 | 34807 | 186.05 | 759 | 737 | 183.1 |
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 |  |