Observation information
- date-obs: 2017-11-19
- time-obs: 07:23:14.837800000
- date-end: 2017-11-19
- time-end: 20:18:45.826700000
- obs_id: A04_130T04_9000001704
- exposure: 23691.826234
- sourceid: Mrk 421
- observer: Daniela
- ra_pnt: 166.1138
- dec_pnt: 38.20883
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A04_130T04_9000001704cztM0_level2_bc.evt
| modeM0/AS1A04_130T04_9000001704cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,373,137,280 | 490,556,160 |
Size | 2.2 GB
| 467.8 MB
|
Events in quadrant A | 28,956,793 | 2,813,767 |
Events in quadrant B | 15,275,958 | 3,142,922 |
Events in quadrant C | 7,948,768 | 3,154,372 |
Events in quadrant D | 16,945,049 | 2,977,180 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 171842 | 0 |
B | 0 | 113574 | 0 |
C | 0 | 82469 | 0 |
D | 0 | 112540 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 62 | 0 |
B | 0 | 62 | 0 |
C | 0 | 62 | 0 |
D | 0 | 62 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 822 | 0 |
B | 0 | 822 | 0 |
C | 0 | 822 | 0 |
D | 0 | 822 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 40281 | 9658 | 23.976565% |
B | 40281 | 3007 | 7.465058% |
C | 40281 | 380 | 0.943373% |
D | 40281 | 2711 | 6.730220% |
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 | 45841 | 40281 | 960 | 960 | 2.09% | 2.38% |  |
B | 45841 | 40281 | 52 | 52 | 0.11% | 0.13% |  |
C | 45841 | 40283 | 0 | 0 | 0.00% | 0.00% |  |
D | 45841 | 40282 | 118 | 118 | 0.26% | 0.29% |  |
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 | 8 | 5 | 20938008 | 51639.84 | 1864 | 1830 | 405.4 |
A | 1 | 162 | 474290 | 1165.34 | 1864 | 1830 | 405.4 |
A | 1 | 178 | 70791 | 170.09 | 1864 | 1830 | 405.4 |
B | 4 | 239 | 4504919 | 11649.18 | 2035 | 1981 | 386.5 |
B | 3 | 64 | 1494264 | 3860.56 | 2035 | 1981 | 386.5 |
B | 11 | 51 | 417306 | 1074.45 | 2035 | 1981 | 386.5 |
C | 12 | 4 | 16384 | 32.64 | 2022 | 1990 | 441.0 |
C | 13 | 61 | 12271 | 23.31 | 2022 | 1990 | 441.0 |
C | 9 | 54 | 11078 | 20.6 | 2022 | 1990 | 441.0 |
D | 13 | 122 | 4129039 | 8874.12 | 2013 | 1942 | 465.1 |
D | 1 | 52 | 2001912 | 4300.35 | 2013 | 1942 | 465.1 |
D | 8 | 195 | 1369278 | 2940.06 | 2013 | 1942 | 465.1 |
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 |  |