Observation information
- date-obs: 2023-08-13
- time-obs: 11:40:08.481300000
- date-end: 2023-08-13
- time-end: 13:53:40.480800000
- obs_id: A12_061T07_9000005818
- exposure: 5591.51467037
- sourceid: NGC1808
- observer: jyoti
- ra_pnt: 76.92641
- dec_pnt: -37.51306
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A12_061T07_9000005818_42580cztM0_level2.fits
| modeM0/AS1A12_061T07_9000005818_42580cztM0_level2_quad_clean.evt
|
Size (bytes) | 339,238,080 | 93,038,400 |
Size | 323.5 MB
| 88.7 MB
|
Events in quadrant A | 3,105,813 | 619,655 |
Events in quadrant B | 2,700,403 | 628,333 |
Events in quadrant C | 2,674,659 | 611,224 |
Events in quadrant D | 3,624,634 | 551,804 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12505 | 2 |
B | 0 | 12127 | 4 |
C | 0 | 11672 | 2 |
D | 0 | 14723 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 120 | 0 |
B | 0 | 120 | 0 |
C | 0 | 120 | 0 |
D | 0 | 120 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 21 | 0 |
B | 0 | 22 | 0 |
C | 0 | 22 | 0 |
D | 0 | 22 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5803 | 12 | 0.206790% |
B | 5802 | 49 | 0.844536% |
C | 5802 | 2 | 0.034471% |
D | 5802 | 164 | 2.826612% |
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 | 7235 | 5804 | 3 | 3 | 0.04% | 0.05% |  |
B | 7234 | 5803 | 29 | 29 | 0.40% | 0.50% |  |
C | 7234 | 5803 | 0 | 0 | 0.00% | 0.00% |  |
D | 7234 | 5803 | 125 | 125 | 1.73% | 2.15% |  |
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 | 630657 | 4872.42 | 629 | 615 | 129.3 |
A | 13 | 6 | 16359 | 121.76 | 629 | 615 | 129.3 |
A | 13 | 254 | 8345 | 59.78 | 629 | 615 | 129.3 |
B | 15 | 35 | 104794 | 871.44 | 623 | 605 | 119.6 |
B | 0 | 245 | 51217 | 423.32 | 623 | 605 | 119.6 |
B | 5 | 255 | 20424 | 165.76 | 623 | 605 | 119.6 |
C | 15 | 214 | 240767 | 1667.78 | 612 | 616 | 144.0 |
C | 12 | 249 | 15775 | 105.28 | 612 | 616 | 144.0 |
C | 3 | 233 | 14317 | 95.15 | 612 | 616 | 144.0 |
D | 1 | 52 | 421835 | 2808.23 | 609 | 590 | 150.0 |
D | 9 | 19 | 346743 | 2307.63 | 609 | 590 | 150.0 |
D | 13 | 249 | 159238 | 1057.63 | 609 | 590 | 150.0 |
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 |  |