Observation information
- date-obs: 2023-08-13
- time-obs: 13:28:28.480800000
- date-end: 2023-08-13
- time-end: 15:36:24.479400000
- obs_id: A12_061T07_9000005818
- exposure: 5647.28959131
- 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_42581cztM0_level2.fits
| modeM0/AS1A12_061T07_9000005818_42581cztM0_level2_quad_clean.evt
|
Size (bytes) | 334,186,560 | 93,182,400 |
Size | 318.7 MB
| 88.9 MB
|
Events in quadrant A | 3,096,096 | 618,935 |
Events in quadrant B | 2,709,501 | 630,071 |
Events in quadrant C | 2,662,738 | 609,408 |
Events in quadrant D | 3,449,116 | 556,550 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12556 | 7 |
B | 0 | 12150 | 3 |
C | 0 | 11687 | 2 |
D | 0 | 14243 | 5 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 118 | 0 |
B | 0 | 118 | 0 |
C | 0 | 118 | 0 |
D | 0 | 118 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 18 | 0 |
B | 0 | 19 | 0 |
C | 0 | 19 | 0 |
D | 0 | 19 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5814 | 14 | 0.240798% |
B | 5815 | 36 | 0.619089% |
C | 5816 | 2 | 0.034388% |
D | 5814 | 107 | 1.840385% |
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 | 7129 | 5817 | 5 | 5 | 0.07% | 0.09% |  |
B | 7128 | 5817 | 14 | 14 | 0.20% | 0.24% |  |
C | 7128 | 5817 | 0 | 0 | 0.00% | 0.00% |  |
D | 7128 | 5816 | 98 | 98 | 1.37% | 1.69% |  |
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 | 628205 | 4840.26 | 629 | 616 | 129.7 |
A | 13 | 6 | 9858 | 71.28 | 629 | 616 | 129.7 |
A | 15 | 237 | 7475 | 52.9 | 629 | 616 | 129.7 |
B | 0 | 245 | 77734 | 636.29 | 624 | 606 | 121.2 |
B | 3 | 112 | 47125 | 383.77 | 624 | 606 | 121.2 |
B | 5 | 172 | 46967 | 382.47 | 624 | 606 | 121.2 |
C | 15 | 214 | 240560 | 1668.77 | 613 | 616 | 143.8 |
C | 12 | 249 | 14159 | 94.19 | 613 | 616 | 143.8 |
C | 3 | 233 | 9369 | 60.88 | 613 | 616 | 143.8 |
D | 1 | 52 | 491849 | 3283.23 | 611 | 593 | 149.6 |
D | 2 | 249 | 158509 | 1055.41 | 611 | 593 | 149.6 |
D | 12 | 233 | 117213 | 779.41 | 611 | 593 | 149.6 |
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 |  |