Observation information
- date-obs: 2024-07-31
- time-obs: 15:39:30.311900000
- date-end: 2024-07-31
- time-end: 21:17:38.288900000
- obs_id: A13_081T01_9000006354
- exposure: 17391.6578854
- 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/AS1A13_081T01_9000006354_47817cztM0_level2.fits
| modeM0/AS1A13_081T01_9000006354_47817cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,392,868,800 | 290,511,360 |
Size | 1.3 GB
| 277.1 MB
|
Events in quadrant A | 18,772,840 | 1,944,991 |
Events in quadrant B | 10,374,969 | 1,991,775 |
Events in quadrant C | 7,989,885 | 1,920,152 |
Events in quadrant D | 12,967,155 | 1,640,835 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 15 | 0 |
B | 0 | 15 | 0 |
C | 0 | 15 | 0 |
D | 0 | 15 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 382 | 0 |
B | 0 | 382 | 0 |
C | 0 | 382 | 0 |
D | 0 | 382 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 68381 | 3 |
B | 0 | 44680 | 3 |
C | 0 | 38528 | 4 |
D | 0 | 52353 | 3 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 18833 | 651 | 3.456698% |
B | 18834 | 330 | 1.752150% |
C | 18833 | 118 | 0.626560% |
D | 18833 | 1383 | 7.343493% |
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 | 20288 | 18837 | 125 | 125 | 0.62% | 0.66% | |
B | 20289 | 18838 | 77 | 77 | 0.38% | 0.41% | |
C | 20288 | 18837 | 9 | 9 | 0.04% | 0.05% | |
D | 20288 | 18836 | 1057 | 1057 | 5.21% | 5.61% | |
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 | 10640694 | 25391.93 | 2020 | 1972 | 419.0 |
A | 7 | 3 | 117322 | 275.31 | 2020 | 1972 | 419.0 |
A | 13 | 248 | 102724 | 240.47 | 2020 | 1972 | 419.0 |
B | 10 | 7 | 1125342 | 2844.71 | 2016 | 1950 | 394.9 |
B | 0 | 200 | 708543 | 1789.27 | 2016 | 1950 | 394.9 |
B | 5 | 255 | 303317 | 763.14 | 2016 | 1950 | 394.9 |
C | 14 | 254 | 79754 | 165.91 | 2002 | 2006 | 468.6 |
C | 1 | 3 | 47530 | 97.14 | 2002 | 2006 | 468.6 |
C | 12 | 2 | 32378 | 64.81 | 2002 | 2006 | 468.6 |
D | 12 | 2 | 3720639 | 7743.71 | 1925 | 1862 | 480.2 |
D | 2 | 165 | 880068 | 1828.71 | 1925 | 1862 | 480.2 |
D | 2 | 249 | 215771 | 445.43 | 1925 | 1862 | 480.2 |
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 | |