Observation information
- date-obs: 2017-09-27
- time-obs: 02:55:30.527000000
- date-end: 2017-09-27
- time-end: 12:33:25.531500000
- obs_id: G07_003T02_9000001564
- exposure: 16040.7854856
- sourceid: NGC 7252
- observer: koshy
- ra_pnt: 335.1862
- dec_pnt: -24.67833
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G07_003T02_9000001564cztM0_level2.fits
| modeM0/AS1G07_003T02_9000001564cztM0_level2_quad_clean.evt
|
| Size (bytes) | 274,596,480 | 272,476,800 |
| Size | 261.9 MB
| 259.9 MB
|
| Events in quadrant A | 1,573,700 | 1,514,688 |
| Events in quadrant B | 1,583,978 | 1,602,693 |
| Events in quadrant C | 1,669,520 | 1,632,910 |
| Events in quadrant D | 1,430,350 | 1,444,760 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 606 | 0 |
| B | 0 | 606 | 0 |
| C | 0 | 606 | 0 |
| D | 0 | 606 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 49 | 0 |
| B | 0 | 49 | 0 |
| C | 0 | 49 | 0 |
| D | 0 | 49 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 97659 | 0 |
| B | 0 | 84748 | 0 |
| C | 0 | 61629 | 0 |
| D | 0 | 76688 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 29918 | 3659 | 12.230096% |
| B | 29920 | 2342 | 7.827540% |
| C | 29920 | 238 | 0.795455% |
| D | 29920 | 1132 | 3.783422% |
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 | 34676 | 29843 | 0 | 0 | 0.00% | 0.00% |  |
| B | 34676 | 29916 | 0 | 0 | 0.00% | 0.00% |  |
| C | 34676 | 29919 | 0 | 0 | 0.00% | 0.00% |  |
| D | 34676 | 29897 | 0 | 0 | 0.00% | 0.00% |  |
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 | 0 | 29 | 1484 | 10.66 | 408 | 382 | 103.4 |
| A | 7 | 110 | 1251 | 8.4 | 408 | 382 | 103.4 |
| A | 9 | 19 | 1157 | 7.49 | 408 | 382 | 103.4 |
| B | 2 | 9 | 1434 | 12.32 | 417 | 398 | 84.1 |
| B | 12 | 226 | 1088 | 8.2 | 417 | 398 | 84.1 |
| B | 14 | 254 | 1065 | 7.93 | 417 | 398 | 84.1 |
| C | 1 | 81 | 1267 | 7.37 | 440 | 409 | 116.3 |
| C | 1 | 80 | 1243 | 7.17 | 440 | 409 | 116.3 |
| C | 12 | 241 | 1193 | 6.74 | 440 | 409 | 116.3 |
| D | 3 | 14 | 1063 | 6.27 | 407 | 371 | 110.4 |
| D | 6 | 231 | 1031 | 5.98 | 407 | 371 | 110.4 |
| D | 7 | 3 | 1027 | 5.94 | 407 | 371 | 110.4 |
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 |  |