Observation information
- date-obs: 2018-10-01
- time-obs: 22:46:35.612200000
- date-end: 2018-10-02
- time-end: 01:15:53.606100000
- obs_id: A05_072T05_9000002394
- exposure: 3915.04014795
- sourceid: NGC 6809
- observer: annapurni
- ra_pnt: 294.9988
- dec_pnt: -30.96475
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_072T05_9000002394_16279cztM0_level2.evt
| modeM0/AS1A05_072T05_9000002394_16279cztM0_level2_quad_clean.evt
|
| Size (bytes) | 488,543,040 | 86,808,960 |
| Size | 465.9 MB
| 82.8 MB
|
| Events in quadrant A | 3,751,387 | 534,652 |
| Events in quadrant B | 3,592,658 | 551,739 |
| Events in quadrant C | 3,407,427 | 537,686 |
| Events in quadrant D | 3,572,841 | 521,131 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 142 | 0 |
| B | 0 | 142 | 0 |
| C | 0 | 142 | 0 |
| D | 0 | 142 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 20 | 0 |
| C | 0 | 20 | 0 |
| D | 0 | 20 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15547 | 3 |
| B | 0 | 15052 | 2 |
| C | 0 | 14376 | 2 |
| D | 0 | 15357 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6943 | 55 | 0.792165% |
| B | 6943 | 75 | 1.080225% |
| C | 6943 | 72 | 1.037016% |
| D | 6943 | 120 | 1.728359% |
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 | 8959 | 6946 | 15 | 15 | 0.17% | 0.22% |  |
| B | 8959 | 6946 | 1 | 1 | 0.01% | 0.01% |  |
| C | 8959 | 6946 | 3 | 3 | 0.03% | 0.04% |  |
| D | 8959 | 6946 | 72 | 72 | 0.80% | 1.04% |  |
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 | 15 | 174 | 478749 | 2788.6 | 847 | 829 | 171.4 |
| A | 13 | 248 | 12176 | 66.21 | 847 | 829 | 171.4 |
| A | 0 | 226 | 7375 | 38.2 | 847 | 829 | 171.4 |
| B | 0 | 189 | 87545 | 527.94 | 858 | 833 | 164.2 |
| B | 15 | 35 | 69133 | 415.84 | 858 | 833 | 164.2 |
| B | 4 | 216 | 51417 | 307.97 | 858 | 833 | 164.2 |
| C | 14 | 238 | 127358 | 659.62 | 822 | 829 | 191.8 |
| C | 3 | 233 | 39026 | 199.13 | 822 | 829 | 191.8 |
| C | 0 | 207 | 36785 | 187.44 | 822 | 829 | 191.8 |
| D | 10 | 70 | 235994 | 1167.33 | 824 | 800 | 201.5 |
| D | 1 | 52 | 134872 | 665.44 | 824 | 800 | 201.5 |
| D | 15 | 0 | 74029 | 363.46 | 824 | 800 | 201.5 |
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 |  |