Observation information
- date-obs: 2018-04-07
- time-obs: 08:46:35.873000000
- date-end: 2018-04-07
- time-end: 11:02:48.874600000
- obs_id: G08_083T03_9000002022
- exposure: 3453.2410789
- sourceid: NGC 3621
- observer: stalin
- ra_pnt: 169.5688
- dec_pnt: -32.81417
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_083T03_9000002022_13651cztM0_level2.evt
| modeM0/AS1G08_083T03_9000002022_13651cztM0_level2_quad_clean.evt
|
| Size (bytes) | 466,744,320 | 76,680,000 |
| Size | 445.1 MB
| 73.1 MB
|
| Events in quadrant A | 3,282,074 | 467,420 |
| Events in quadrant B | 3,422,135 | 475,709 |
| Events in quadrant C | 3,388,947 | 466,548 |
| Events in quadrant D | 3,593,067 | 451,164 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13770 | 3 |
| B | 0 | 14137 | 2 |
| C | 0 | 14003 | 2 |
| D | 0 | 14549 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 16 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 0 |
| D | 0 | 134 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6614 | 104 | 1.572422% |
| B | 6614 | 111 | 1.678258% |
| C | 6614 | 91 | 1.375869% |
| D | 6614 | 101 | 1.527064% |
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 | 7640 | 6616 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7640 | 6616 | 2 | 2 | 0.03% | 0.03% |  |
| C | 7640 | 6616 | 2 | 2 | 0.03% | 0.03% |  |
| D | 7640 | 6616 | 9 | 9 | 0.12% | 0.14% |  |
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 | 1 | 162 | 9268 | 48.88 | 849 | 831 | 172.6 |
| A | 15 | 69 | 8349 | 43.55 | 849 | 831 | 172.6 |
| A | 0 | 226 | 7414 | 38.14 | 849 | 831 | 172.6 |
| B | 0 | 219 | 26118 | 156.38 | 848 | 828 | 161.7 |
| B | 0 | 214 | 23940 | 142.91 | 848 | 828 | 161.7 |
| B | 12 | 111 | 18992 | 112.32 | 848 | 828 | 161.7 |
| C | 3 | 233 | 152260 | 794.64 | 828 | 832 | 190.6 |
| C | 14 | 234 | 9701 | 46.54 | 828 | 832 | 190.6 |
| C | 13 | 61 | 6137 | 27.84 | 828 | 832 | 190.6 |
| D | 8 | 195 | 292457 | 1441.83 | 823 | 803 | 202.3 |
| D | 5 | 222 | 61691 | 301.01 | 823 | 803 | 202.3 |
| D | 2 | 136 | 43970 | 213.4 | 823 | 803 | 202.3 |
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 |  |