Observation information
- date-obs: 2020-05-01
- time-obs: 09:34:56.919900000
- date-end: 2020-05-01
- time-end: 12:17:48.922400000
- obs_id: A07_045T01_9000003628
- exposure: 5030.59449984
- sourceid: NGC 4438
- observer: Rahnapt
- ra_pnt: 186.94
- dec_pnt: 13.00883
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A07_045T01_9000003628_24827cztM0_level2.evt
| modeM0/AS1A07_045T01_9000003628_24827cztM0_level2_quad_clean.evt
|
| Size (bytes) | 599,846,400 | 107,976,960 |
| Size | 572.1 MB
| 103.0 MB
|
| Events in quadrant A | 4,093,697 | 697,663 |
| Events in quadrant B | 4,869,034 | 694,883 |
| Events in quadrant C | 4,322,360 | 662,291 |
| Events in quadrant D | 4,336,402 | 656,738 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 18 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16916 | 2 |
| B | 0 | 19363 | 2 |
| C | 0 | 17614 | 2 |
| D | 0 | 17831 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 162 | 0 |
| B | 0 | 162 | 0 |
| C | 0 | 162 | 0 |
| D | 0 | 162 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 8042 | 218 | 2.710768% |
| B | 8043 | 418 | 5.197066% |
| C | 8043 | 299 | 3.717518% |
| D | 8043 | 174 | 2.163372% |
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 | 9772 | 8044 | 0 | 0 | 0.00% | 0.00% |  |
| B | 9773 | 8045 | 105 | 105 | 1.07% | 1.31% |  |
| C | 9773 | 8045 | 0 | 0 | 0.00% | 0.00% |  |
| D | 9773 | 8045 | 4 | 4 | 0.04% | 0.05% |  |
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 | 12002 | 51.25 | 1062 | 1039 | 213.9 |
| A | 3 | 137 | 10041 | 42.08 | 1062 | 1039 | 213.9 |
| A | 0 | 226 | 8818 | 36.37 | 1062 | 1039 | 213.9 |
| B | 3 | 64 | 700207 | 3478.27 | 1037 | 1009 | 201.0 |
| B | 0 | 189 | 55730 | 272.22 | 1037 | 1009 | 201.0 |
| B | 12 | 111 | 25321 | 120.94 | 1037 | 1009 | 201.0 |
| C | 7 | 247 | 199966 | 840.26 | 1005 | 1012 | 236.8 |
| C | 14 | 238 | 158003 | 663.03 | 1005 | 1012 | 236.8 |
| C | 2 | 16 | 49263 | 203.78 | 1005 | 1012 | 236.8 |
| D | 8 | 195 | 430668 | 1718.44 | 1025 | 996 | 250.0 |
| D | 2 | 234 | 31234 | 120.93 | 1025 | 996 | 250.0 |
| D | 1 | 52 | 27771 | 107.08 | 1025 | 996 | 250.0 |
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 |  |