Observation information
- date-obs: 2015-12-03
- time-obs: 15:46:30.648400000
- date-end: 2015-12-03
- time-end: 17:45:48.653400000
- obs_id: P01_998T01_9000000188
- exposure: 6021.51646912
- sourceid: NGC188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.22392
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_998T01_9000000188_00986cztM0_level2.evt
| modeM0/AS1P01_998T01_9000000188_00986cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,026,910,080 | 93,484,800 |
| Size | 979.3 MB
| 89.2 MB
|
| Events in quadrant A | 6,982,979 | 621,567 |
| Events in quadrant B | 7,576,794 | 615,761 |
| Events in quadrant C | 7,296,320 | 601,024 |
| Events in quadrant D | 8,839,999 | 566,905 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 25064 | 0 |
| B | 0 | 26856 | 0 |
| C | 0 | 25992 | 0 |
| D | 0 | 30674 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 122 | 0 |
| B | 0 | 122 | 0 |
| C | 0 | 122 | 0 |
| D | 0 | 122 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6104 | 2 | 0.032765% |
| B | 6104 | 16 | 0.262123% |
| C | 6103 | 7 | 0.114698% |
| D | 6103 | 341 | 5.587416% |
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 | 7159 | 6105 | 102 | 102 | 1.42% | 1.67% |  |
| B | 7159 | 6105 | 225 | 225 | 3.14% | 3.69% |  |
| C | 7158 | 6104 | 136 | 136 | 1.90% | 2.23% |  |
| D | 7157 | 6103 | 1043 | 1043 | 14.57% | 17.09% |  |
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 | 11 | 242 | 9797 | 18.37 | 1813 | 1821 | 434.1 |
| A | 12 | 189 | 8778 | 16.02 | 1813 | 1821 | 434.1 |
| A | 11 | 79 | 7988 | 14.2 | 1813 | 1821 | 434.1 |
| B | 8 | 234 | 85909 | 189.18 | 1904 | 1911 | 444.0 |
| B | 8 | 38 | 81654 | 179.59 | 1904 | 1911 | 444.0 |
| B | 7 | 221 | 61669 | 134.58 | 1904 | 1911 | 444.0 |
| C | 15 | 241 | 260682 | 532.22 | 1761 | 1821 | 486.4 |
| C | 9 | 52 | 90734 | 182.8 | 1761 | 1821 | 486.4 |
| C | 3 | 79 | 39165 | 76.78 | 1761 | 1821 | 486.4 |
| D | 1 | 4 | 1297282 | 2567.9 | 1643 | 1707 | 504.5 |
| D | 12 | 188 | 1168092 | 2311.84 | 1643 | 1707 | 504.5 |
| D | 13 | 85 | 35090 | 66.17 | 1643 | 1707 | 504.5 |
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 |  |