Observation information
- date-obs: 2023-04-22
- time-obs: 05:43:32.528600000
- date-end: 2023-04-22
- time-end: 09:40:25.520800000
- obs_id: A12_102T01_9000005576
- exposure: 10330.1791001
- 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_40903cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005576_40903cztM0_level2_quad_clean.evt
|
Size (bytes) | 622,514,880 | 169,568,640 |
Size | 593.7 MB
| 161.7 MB
|
Events in quadrant A | 5,591,341 | 1,134,213 |
Events in quadrant B | 5,893,186 | 1,141,187 |
Events in quadrant C | 4,999,608 | 1,108,903 |
Events in quadrant D | 5,723,070 | 1,003,376 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 220 | 0 |
B | 0 | 220 | 0 |
C | 0 | 220 | 0 |
D | 0 | 220 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 22833 | 4 |
B | 0 | 25043 | 3 |
C | 0 | 21842 | 3 |
D | 0 | 24615 | 3 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 34 | 0 |
B | 0 | 34 | 0 |
C | 0 | 34 | 0 |
D | 0 | 35 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 10773 | 13 | 0.120672% |
B | 10773 | 285 | 2.645503% |
C | 10773 | 22 | 0.204214% |
D | 10773 | 184 | 1.707974% |
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 | 13579 | 10775 | 4 | 4 | 0.03% | 0.04% |  |
B | 13579 | 10775 | 232 | 232 | 1.71% | 2.15% |  |
C | 13579 | 10775 | 15 | 15 | 0.11% | 0.14% |  |
D | 13579 | 10775 | 143 | 143 | 1.05% | 1.33% |  |
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 | 967200 | 4063.29 | 1166 | 1139 | 237.8 |
A | 12 | 189 | 56896 | 234.52 | 1166 | 1139 | 237.8 |
A | 6 | 10 | 29637 | 119.86 | 1166 | 1139 | 237.8 |
B | 5 | 32 | 636392 | 2894.39 | 1146 | 1115 | 219.5 |
B | 4 | 171 | 319831 | 1452.11 | 1146 | 1115 | 219.5 |
B | 0 | 190 | 183009 | 828.73 | 1146 | 1115 | 219.5 |
C | 15 | 214 | 457696 | 1728.17 | 1136 | 1142 | 264.2 |
C | 0 | 10 | 73556 | 274.11 | 1136 | 1142 | 264.2 |
C | 10 | 70 | 17955 | 63.64 | 1136 | 1142 | 264.2 |
D | 12 | 128 | 312274 | 1133.03 | 1130 | 1101 | 274.6 |
D | 12 | 79 | 228064 | 826.41 | 1130 | 1101 | 274.6 |
D | 12 | 233 | 175518 | 635.08 | 1130 | 1101 | 274.6 |
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 |  |