Observation information
- date-obs: 2020-06-09
- time-obs: 15:52:48.267000000
- date-end: 2020-06-11
- time-end: 15:55:09.018100000
- obs_id: A09_047T01_9000003714
- exposure: 64837.6025709
- sourceid: NGC 2818
- observer: nkrao
- ra_pnt: 139.0062
- dec_pnt: -36.62706
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_047T01_9000003714cztM0_level2.fits
| modeM0/AS1A09_047T01_9000003714cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,496,563,200 | 1,241,248,320 |
| Size | 1.4 GB
| 1.2 GB
|
| Events in quadrant A | 9,536,024 | 7,408,071 |
| Events in quadrant B | 9,035,268 | 7,368,373 |
| Events in quadrant C | 9,168,914 | 6,990,831 |
| Events in quadrant D | 7,379,036 | 5,624,057 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3042 | 0 |
| B | 0 | 3042 | 0 |
| C | 0 | 3042 | 0 |
| D | 0 | 3042 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 237 | 0 |
| B | 0 | 237 | 0 |
| C | 0 | 237 | 0 |
| D | 0 | 237 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 333520 | 0 |
| B | 0 | 318383 | 0 |
| C | 0 | 318833 | 0 |
| D | 0 | 546019 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 148792 | 1683 | 1.131109% |
| B | 148792 | 1877 | 1.261493% |
| C | 148792 | 2504 | 1.682886% |
| D | 148792 | 21100 | 14.180870% |
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 | 172941 | 148764 | 0 | 0 | 0.00% | 0.00% |  |
| B | 172942 | 148768 | 0 | 0 | 0.00% | 0.00% |  |
| C | 172941 | 148768 | 0 | 0 | 0.00% | 0.00% |  |
| D | 172941 | 144969 | 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 | 9127 | 11.33 | 2487 | 2343 | 598.5 |
| A | 7 | 110 | 7549 | 8.7 | 2487 | 2343 | 598.5 |
| A | 9 | 19 | 7246 | 8.19 | 2487 | 2343 | 598.5 |
| B | 2 | 9 | 7312 | 10.93 | 2388 | 2288 | 459.5 |
| B | 5 | 128 | 6022 | 8.13 | 2388 | 2288 | 459.5 |
| B | 2 | 8 | 6014 | 8.11 | 2388 | 2288 | 459.5 |
| C | 12 | 241 | 6203 | 6.52 | 2424 | 2277 | 601.7 |
| C | 9 | 209 | 6187 | 6.5 | 2424 | 2277 | 601.7 |
| C | 3 | 126 | 6153 | 6.44 | 2424 | 2277 | 601.7 |
| D | 6 | 231 | 5231 | 5.94 | 2107 | 1929 | 556.3 |
| D | 10 | 189 | 5193 | 5.87 | 2107 | 1929 | 556.3 |
| D | 3 | 14 | 5158 | 5.8 | 2107 | 1929 | 556.3 |
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 |  |