Observation information
- date-obs: 2023-07-29
- time-obs: 09:48:28.764700000
- date-end: 2023-07-29
- time-end: 12:00:59.758800000
- obs_id: A12_102T01_9000005798
- exposure: 5060.97090292
- 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_9000005798_42357cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005798_42357cztM0_level2_quad_clean.evt
|
Size (bytes) | 354,977,280 | 96,255,360 |
Size | 338.5 MB
| 91.8 MB
|
Events in quadrant A | 3,406,919 | 666,544 |
Events in quadrant B | 2,661,232 | 671,147 |
Events in quadrant C | 2,581,962 | 634,379 |
Events in quadrant D | 4,074,281 | 569,014 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26 | 0 |
B | 0 | 27 | 0 |
C | 0 | 27 | 0 |
D | 0 | 27 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 108 | 0 |
B | 0 | 108 | 0 |
C | 0 | 108 | 0 |
D | 0 | 108 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 13501 | 2 |
B | 0 | 11351 | 2 |
C | 0 | 10818 | 2 |
D | 0 | 15724 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5341 | 21 | 0.393185% |
B | 5341 | 32 | 0.599139% |
C | 5341 | 2 | 0.037446% |
D | 5341 | 284 | 5.317356% |
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 | 7314 | 5342 | 16 | 16 | 0.22% | 0.30% |  |
B | 7314 | 5342 | 20 | 20 | 0.27% | 0.37% |  |
C | 7314 | 5342 | 0 | 0 | 0.00% | 0.00% |  |
D | 7314 | 5342 | 237 | 237 | 3.24% | 4.44% |  |
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 | 560533 | 4441.52 | 621 | 610 | 126.1 |
A | 15 | 235 | 287940 | 2279.21 | 621 | 610 | 126.1 |
A | 13 | 248 | 119728 | 944.89 | 621 | 610 | 126.1 |
B | 5 | 172 | 54545 | 473.3 | 609 | 592 | 114.0 |
B | 3 | 112 | 52945 | 459.26 | 609 | 592 | 114.0 |
B | 4 | 81 | 50673 | 439.33 | 609 | 592 | 114.0 |
C | 15 | 214 | 223588 | 1599.93 | 601 | 604 | 139.4 |
C | 15 | 111 | 9198 | 61.66 | 601 | 604 | 139.4 |
C | 7 | 247 | 7997 | 53.05 | 601 | 604 | 139.4 |
D | 1 | 52 | 621206 | 4274.56 | 594 | 577 | 145.2 |
D | 12 | 233 | 574721 | 3954.39 | 594 | 577 | 145.2 |
D | 12 | 6 | 148530 | 1019.02 | 594 | 577 | 145.2 |
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 |  |