Observation information
- date-obs: 2015-11-13
- time-obs: 01-15-00.000009187
- date-end: 2015-11-13
- time-end: 03-10-12.000009180
- obs_id: P01_141T01_9000000096
- exposure: 3514.99064253
- sourceid: Crab
- observer: santoshv
- ra_pnt: 83.62586
- dec_pnt: 22.02464
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_141T01_9000000096_00681cztM0_level2.evt
| modeM0/AS1P01_141T01_9000000096_00681cztM0_level2_quad_clean.evt
|
| Size (bytes) | 894,994,560 | 66,081,600 |
| Size | 853.5 MB
| 63.0 MB
|
| Events in quadrant A | 7,055,681 | 401,651 |
| Events in quadrant B | 7,132,099 | 408,501 |
| Events in quadrant C | 6,402,779 | 402,843 |
| Events in quadrant D | 6,129,587 | 383,147 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 22 | 11 |
| B | 0 | 22 | 11 |
| C | 0 | 22 | 11 |
| D | 0 | 22 | 11 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 50132 | 25065 |
| B | 0 | 50592 | 25297 |
| C | 0 | 46337 | 23176 |
| D | 0 | 44698 | 22350 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 236 | 118 |
| B | 0 | 236 | 118 |
| C | 0 | 236 | 118 |
| D | 0 | 236 | 118 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5788 | 15 | 0.259157% |
| B | 5788 | 9 | 0.155494% |
| C | 5786 | 6 | 0.103699% |
| D | 5787 | 13 | 0.224641% |
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 | 6913 | 5789 | 243 | 243 | 3.52% | 4.20% |  |
| B | 6913 | 5789 | 233 | 233 | 3.37% | 4.02% |  |
| C | 6912 | 5788 | 167 | 167 | 2.42% | 2.89% |  |
| D | 6912 | 5788 | 138 | 138 | 2.00% | 2.38% |  |
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 | 5 | 203 | 19985 | 45.25 | 1835 | 1819 | 401.4 |
| A | 15 | 249 | 6426 | 11.48 | 1835 | 1819 | 401.4 |
| A | 3 | 111 | 5134 | 8.26 | 1835 | 1819 | 401.4 |
| B | 7 | 221 | 105367 | 243.84 | 1806 | 1818 | 424.7 |
| B | 0 | 220 | 75039 | 172.43 | 1806 | 1818 | 424.7 |
| B | 8 | 4 | 61002 | 139.37 | 1806 | 1818 | 424.7 |
| C | 15 | 241 | 10621 | 19.63 | 1634 | 1695 | 454.6 |
| C | -1 | -1 | -1 | -1.0 | 1634 | 1695 | 454.6 |
| C | -1 | -1 | -1 | -1.0 | 1634 | 1695 | 454.6 |
| D | 1 | 4 | 92514 | 184.89 | 1606 | 1664 | 491.4 |
| D | 12 | 22 | 22221 | 41.84 | 1606 | 1664 | 491.4 |
| D | 13 | 252 | 13476 | 24.04 | 1606 | 1664 | 491.4 |
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 |  |