Observation information
- date-obs: 2020-06-08
- time-obs: 19:29:55.207200000
- date-end: 2020-06-08
- time-end: 23:59:06.195800000
- obs_id: A09_057T04_9000003712
- exposure: 11007.3672083
- sourceid: NGC 7531
- observer: sreeja
- ra_pnt: 348.7021
- dec_pnt: -43.59995
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_057T04_9000003712_25397cztM0_level2.evt
| modeM0/AS1A09_057T04_9000003712_25397cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,208,545,920 | 214,571,520 |
| Size | 1.1 GB
| 204.6 MB
|
| Events in quadrant A | 7,303,161 | 1,401,227 |
| Events in quadrant B | 7,132,951 | 1,411,326 |
| Events in quadrant C | 7,127,453 | 1,348,870 |
| Events in quadrant D | 14,018,784 | 1,296,575 |
Level1 data integrity
| 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 M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31263 | 0 |
| B | 0 | 31024 | 0 |
| C | 0 | 30727 | 0 |
| D | 0 | 52006 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 15092 | 57 | 0.377684% |
| B | 15092 | 90 | 0.596342% |
| C | 15092 | 133 | 0.881262% |
| D | 15092 | 1452 | 9.620991% |
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 | 16152 | 15093 | 0 | 0 | 0.00% | 0.00% |  |
| B | 16152 | 15092 | 2 | 2 | 0.01% | 0.01% |  |
| C | 16152 | 15092 | 1 | 1 | 0.01% | 0.01% |  |
| D | 16152 | 15093 | 1247 | 1247 | 7.72% | 8.26% |  |
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 | 6 | 16 | 290979 | 798.5 | 1803 | 1762 | 362.2 |
| A | 15 | 173 | 59226 | 158.65 | 1803 | 1762 | 362.2 |
| A | 13 | 254 | 22699 | 57.81 | 1803 | 1762 | 362.2 |
| B | 0 | 190 | 75583 | 218.22 | 1785 | 1740 | 338.4 |
| B | 12 | 111 | 42458 | 120.33 | 1785 | 1740 | 338.4 |
| B | 11 | 111 | 38336 | 108.15 | 1785 | 1740 | 338.4 |
| C | 14 | 238 | 274616 | 672.69 | 1736 | 1748 | 405.6 |
| C | 7 | 247 | 44452 | 105.28 | 1736 | 1748 | 405.6 |
| C | 3 | 233 | 22911 | 52.17 | 1736 | 1748 | 405.6 |
| D | 1 | 52 | 4235182 | 10274.07 | 1706 | 1654 | 412.1 |
| D | 8 | 195 | 1524347 | 3695.32 | 1706 | 1654 | 412.1 |
| D | 7 | 238 | 1358434 | 3292.68 | 1706 | 1654 | 412.1 |
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 |  |