Observation information
- date-obs: 2020-02-27
- time-obs: 03:00:11.856400000
- date-end: 2020-03-02
- time-end: 02:56:19.699800000
- obs_id: A07_142T01_9000003540
- exposure: 177929.017762
- sourceid: G351.7-1.2
- observer: veena_iist
- ra_pnt: 262.3
- dec_pnt: -36.68667
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A07_142T01_9000003540cztM0_level2_bc.evt
| modeM0/AS1A07_142T01_9000003540cztM0_level2_quad_clean.evt
|
| Size (bytes) | 11,676,988,800 | 3,849,868,800 |
| Size | 10.9 GB
| 3.6 GB
|
| Events in quadrant A | 64,236,136 | 24,898,841 |
| Events in quadrant B | 68,160,374 | 25,136,892 |
| Events in quadrant C | 69,190,337 | 23,705,921 |
| Events in quadrant D | 132,021,255 | 22,703,973 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 468 | 0 |
| B | 0 | 469 | 0 |
| C | 0 | 469 | 0 |
| D | 0 | 469 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 617614 | 0 |
| B | 0 | 632898 | 0 |
| C | 0 | 643906 | 0 |
| D | 0 | 867251 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 5996 | 0 |
| B | 0 | 5996 | 0 |
| C | 0 | 5996 | 0 |
| D | 0 | 5996 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 294463 | 3003 | 1.019823% |
| B | 294464 | 4248 | 1.442621% |
| C | 294463 | 7059 | 2.397245% |
| D | 294463 | 20129 | 6.835833% |
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 | 345369 | 294471 | 0 | 0 | 0.00% | 0.00% |  |
| B | 345369 | 294466 | 45 | 45 | 0.01% | 0.02% |  |
| C | 345369 | 294463 | 428 | 428 | 0.12% | 0.15% |  |
| D | 345369 | 294419 | 3998 | 3998 | 1.16% | 1.36% |  |
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 | 13 | 254 | 466881 | 127.04 | 16569 | 16304 | 3546.7 |
| A | 2 | 250 | 193177 | 49.87 | 16569 | 16304 | 3546.7 |
| A | 11 | 29 | 114061 | 27.56 | 16569 | 16304 | 3546.7 |
| B | 0 | 189 | 1207416 | 387.87 | 16612 | 16274 | 3071.0 |
| B | 15 | 33 | 1012963 | 324.55 | 16612 | 16274 | 3071.0 |
| B | 0 | 245 | 338572 | 104.95 | 16612 | 16274 | 3071.0 |
| C | 10 | 9 | 5093606 | 1389.82 | 15657 | 15630 | 3653.7 |
| C | 0 | 10 | 2507401 | 681.99 | 15657 | 15630 | 3653.7 |
| C | 7 | 247 | 1307998 | 353.72 | 15657 | 15630 | 3653.7 |
| D | 12 | 218 | 27176966 | 7560.14 | 15628 | 15134 | 3592.8 |
| D | 8 | 195 | 24308946 | 6761.87 | 15628 | 15134 | 3592.8 |
| D | 1 | 52 | 12362083 | 3436.61 | 15628 | 15134 | 3592.8 |
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 |  |