Observation information
- date-obs: 2022-02-21
- time-obs: 18:01:30.545600000
- date-end: 2022-02-22
- time-end: 10:09:01.593900000
- obs_id: A11_058T02_9000004954
- exposure: 21904.7112385
- sourceid: NGC 4214
- observer: chayan
- ra_pnt: 183.9133
- dec_pnt: 36.32689
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A11_058T02_9000004954cztM0_level2_bc.evt
| modeM0/AS1A11_058T02_9000004954cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,063,831,040 | 463,579,200 |
Size | 1.9 GB
| 442.1 MB
|
Events in quadrant A | 8,803,837 | 2,937,340 |
Events in quadrant B | 15,174,798 | 2,859,596 |
Events in quadrant C | 10,763,418 | 2,885,270 |
Events in quadrant D | 25,091,016 | 2,661,911 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 138 | 0 |
B | 0 | 138 | 0 |
C | 0 | 138 | 0 |
D | 0 | 139 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 80987 | 0 |
B | 0 | 109407 | 0 |
C | 0 | 84179 | 0 |
D | 0 | 139153 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 806 | 0 |
B | 0 | 806 | 0 |
C | 0 | 806 | 0 |
D | 0 | 806 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 39314 | 90 | 0.228926% |
B | 39304 | 2785 | 7.085793% |
C | 38992 | 385 | 0.987382% |
D | 39340 | 2713 | 6.896289% |
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 | 58052 | 39337 | 17 | 17 | 0.03% | 0.04% |  |
B | 58052 | 39317 | 175 | 175 | 0.30% | 0.45% |  |
C | 58052 | 39007 | 77 | 77 | 0.13% | 0.20% |  |
D | 58052 | 39347 | 275 | 275 | 0.47% | 0.70% |  |
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 | 218217 | 467.74 | 2109 | 2076 | 462.1 |
A | 15 | 169 | 185233 | 396.36 | 2109 | 2076 | 462.1 |
A | 13 | 6 | 92103 | 194.82 | 2109 | 2076 | 462.1 |
B | 5 | 172 | 6071339 | 14981.84 | 2055 | 2014 | 405.1 |
B | 4 | 171 | 275768 | 675.75 | 2055 | 2014 | 405.1 |
B | 4 | 232 | 267916 | 656.37 | 2055 | 2014 | 405.1 |
C | 15 | 214 | 1535742 | 3346.6 | 2015 | 2002 | 458.3 |
C | 0 | 10 | 763258 | 1661.05 | 2015 | 2002 | 458.3 |
C | 14 | 67 | 415922 | 903.17 | 2015 | 2002 | 458.3 |
D | 8 | 195 | 11228678 | 23699.44 | 1995 | 1937 | 473.7 |
D | 2 | 249 | 2897779 | 6113.07 | 1995 | 1937 | 473.7 |
D | 13 | 249 | 483328 | 1016.21 | 1995 | 1937 | 473.7 |
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 |  |