Observation information
- date-obs: 2023-01-05
- time-obs: 13:15:15.687200000
- date-end: 2023-01-05
- time-end: 15:34:35.687400000
- obs_id: A12_061T07_9000005468
- exposure: 4351.65201145
- 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_9000005468_39322cztM0_level2.fits
| modeM0/AS1A12_061T07_9000005468_39322cztM0_level2_quad_clean.evt
|
Size (bytes) | 515,888,640 | 95,598,720 |
Size | 492.0 MB
| 91.2 MB
|
Events in quadrant A | 3,327,966 | 679,943 |
Events in quadrant B | 2,758,047 | 691,365 |
Events in quadrant C | 3,005,505 | 659,571 |
Events in quadrant D | 9,536,114 | 442,107 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 23 | 0 |
B | 0 | 23 | 0 |
C | 0 | 23 | 0 |
D | 0 | 24 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 122 | 0 |
B | 0 | 122 | 0 |
C | 0 | 122 | 0 |
D | 0 | 122 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 13620 | 3 |
B | 0 | 12386 | 2 |
C | 0 | 12695 | 2 |
D | 0 | 32578 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6036 | 25 | 0.414182% |
B | 6036 | 22 | 0.364480% |
C | 6036 | 21 | 0.347913% |
D | 6036 | 2053 | 34.012591% |
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 | 7349 | 6037 | 23 | 23 | 0.31% | 0.38% |  |
B | 7349 | 6037 | 5 | 5 | 0.07% | 0.08% |  |
C | 7349 | 6037 | 15 | 15 | 0.20% | 0.25% |  |
D | 7349 | 6037 | 1783 | 1783 | 24.26% | 29.53% |  |
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 | 460978 | 3296.21 | 677 | 664 | 139.6 |
A | 13 | 248 | 105230 | 748.77 | 677 | 664 | 139.6 |
A | 2 | 79 | 75891 | 538.68 | 677 | 664 | 139.6 |
B | 5 | 184 | 76716 | 579.71 | 670 | 649 | 131.2 |
B | 5 | 172 | 38303 | 286.96 | 670 | 649 | 131.2 |
B | 12 | 111 | 16784 | 122.97 | 670 | 649 | 131.2 |
C | 15 | 214 | 274706 | 1779.16 | 654 | 658 | 154.0 |
C | 14 | 254 | 108544 | 700.41 | 654 | 658 | 154.0 |
C | 9 | 187 | 58642 | 376.44 | 654 | 658 | 154.0 |
D | 12 | 235 | 6820131 | 48361.56 | 567 | 551 | 141.0 |
D | 12 | 227 | 165088 | 1166.83 | 567 | 551 | 141.0 |
D | 5 | 222 | 105090 | 741.35 | 567 | 551 | 141.0 |
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 |  |