Observation information
- date-obs: 2024-06-24
- time-obs: 17:15:08.821900000
- date-end: 2024-06-24
- time-end: 17:43:31.820100000
- obs_id: C09_011T02_9000006310
- exposure: 1218.40366405
- sourceid: NGC 188
- observer: stalin
- ra_pnt: 12.08
- dec_pnt: 85.15722
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C09_011T02_9000006310_47267cztM0_level2.fits
| modeM0/AS1C09_011T02_9000006310_47267cztM0_level2_quad_clean.evt
|
| Size (bytes) | 149,742,720 | 24,981,120 |
| Size | 142.8 MB
| 23.8 MB
|
| Events in quadrant A | 1,953,784 | 169,730 |
| Events in quadrant B | 884,135 | 176,102 |
| Events in quadrant C | 773,561 | 170,219 |
| Events in quadrant D | 1,802,871 | 120,767 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 34 | 0 |
| B | 0 | 34 | 0 |
| C | 0 | 34 | 0 |
| D | 0 | 34 | 2 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7518 | 575 |
| B | 0 | 3866 | 191 |
| C | 0 | 3502 | 94 |
| D | 0 | 6779 | 319 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 1585 | 55 | 3.470032% |
| B | 1629 | 28 | 1.718846% |
| C | 1657 | 3 | 0.181050% |
| D | 1622 | 403 | 24.845869% |
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 | 1703 | 1662 | 16 | 16 | 0.94% | 0.96% |  |
| B | 1704 | 1688 | 13 | 13 | 0.76% | 0.77% |  |
| C | 1704 | 1698 | 1 | 1 | 0.06% | 0.06% |  |
| D | 1704 | 1694 | 336 | 336 | 19.72% | 19.83% |  |
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 | 10 | 83 | 1016904 | 26190.66 | 177 | 173 | 38.8 |
| A | 9 | 191 | 240631 | 6194.12 | 177 | 173 | 38.8 |
| A | 15 | 235 | 3602 | 88.33 | 177 | 173 | 38.8 |
| B | 0 | 200 | 81309 | 2132.07 | 183 | 177 | 38.1 |
| B | 0 | 197 | 20795 | 541.82 | 183 | 177 | 38.1 |
| B | 0 | 245 | 18644 | 485.3 | 183 | 177 | 38.1 |
| C | 14 | 254 | 27561 | 598.49 | 186 | 187 | 45.7 |
| C | 3 | 233 | 6212 | 131.73 | 186 | 187 | 45.7 |
| C | 10 | 9 | 6111 | 129.52 | 186 | 187 | 45.7 |
| D | 12 | 128 | 894089 | 21237.73 | 164 | 159 | 42.1 |
| D | 12 | 1 | 153814 | 3650.49 | 164 | 159 | 42.1 |
| D | 1 | 47 | 32585 | 770.37 | 164 | 159 | 42.1 |
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 |  |