Observation information
- date-obs: 2023-04-22
- time-obs: 12:38:32.514500000
- date-end: 2023-04-22
- time-end: 14:53:21.509000000
- obs_id: A12_102T01_9000005576
- exposure: 5333.86793399
- sourceid: 1ES 1927+654
- observer: savithri
- ra_pnt: 291.8314
- dec_pnt: 65.56506
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A12_102T01_9000005576_40907cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005576_40907cztM0_level2_quad_clean.evt
|
Size (bytes) | 344,594,880 | 92,730,240 |
Size | 328.6 MB
| 88.4 MB
|
Events in quadrant A | 2,949,066 | 628,193 |
Events in quadrant B | 2,969,814 | 638,533 |
Events in quadrant C | 2,959,539 | 604,088 |
Events in quadrant D | 3,450,624 | 553,191 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 112 | 0 |
B | 0 | 112 | 0 |
C | 0 | 112 | 0 |
D | 0 | 112 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12207 | 3 |
B | 0 | 12696 | 2 |
C | 0 | 12248 | 2 |
D | 0 | 14156 | 2 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 25 | 0 |
B | 0 | 25 | 0 |
C | 0 | 25 | 0 |
D | 0 | 26 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5482 | 18 | 0.328347% |
B | 5482 | 80 | 1.459321% |
C | 5482 | 59 | 1.076250% |
D | 5482 | 103 | 1.878876% |
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 | 7305 | 5483 | 4 | 4 | 0.05% | 0.07% |  |
B | 7305 | 5483 | 38 | 38 | 0.52% | 0.69% |  |
C | 7305 | 5483 | 52 | 52 | 0.71% | 0.95% |  |
D | 7304 | 5482 | 85 | 85 | 1.16% | 1.55% |  |
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 | 10 | 83 | 558639 | 4386.86 | 612 | 600 | 127.2 |
A | 13 | 254 | 9513 | 70.07 | 612 | 600 | 127.2 |
A | 13 | 6 | 7490 | 54.16 | 612 | 600 | 127.2 |
B | 4 | 171 | 382897 | 3248.47 | 607 | 591 | 117.7 |
B | 5 | 255 | 63569 | 535.13 | 607 | 591 | 117.7 |
B | 0 | 190 | 49346 | 414.27 | 607 | 591 | 117.7 |
C | 14 | 254 | 325228 | 2343.91 | 597 | 598 | 138.5 |
C | 15 | 214 | 231276 | 1665.55 | 597 | 598 | 138.5 |
C | 0 | 10 | 64803 | 463.58 | 597 | 598 | 138.5 |
D | 12 | 79 | 397397 | 2738.17 | 593 | 577 | 144.9 |
D | 12 | 233 | 206228 | 1419.05 | 593 | 577 | 144.9 |
D | 12 | 128 | 134327 | 922.91 | 593 | 577 | 144.9 |
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 |  |