Observation information
- date-obs: 2022-05-04
- time-obs: 02:52:02.363800000
- date-end: 2022-05-04
- time-end: 04:59:23.359100000
- obs_id: A09_029T02_9000005106
- exposure: 3445.90555584
- sourceid: Vela -D IV
- observer: fsutaria
- ra_pnt: 135.0093
- dec_pnt: -45.23354
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A09_029T02_9000005106_35673cztM0_level2.evt
| modeM0/AS1A09_029T02_9000005106_35673cztM0_level2_quad_clean.evt
|
Size (bytes) | 478,336,320 | 69,837,120 |
Size | 456.2 MB
| 66.6 MB
|
Events in quadrant A | 2,854,263 | 432,209 |
Events in quadrant B | 4,679,837 | 412,842 |
Events in quadrant C | 3,204,794 | 432,698 |
Events in quadrant D | 3,338,360 | 415,932 |
Level1 data integrity
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 | 12320 | 3 |
B | 0 | 17923 | 2 |
C | 0 | 13089 | 2 |
D | 0 | 13945 | 2 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 16 | 0 |
B | 0 | 16 | 0 |
C | 0 | 16 | 0 |
D | 0 | 17 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6026 | 7 | 0.116163% |
B | 6026 | 562 | 9.326253% |
C | 6026 | 105 | 1.742449% |
D | 6026 | 83 | 1.377365% |
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 | 7308 | 6027 | 0 | 0 | 0.00% | 0.00% | |
B | 7308 | 6027 | 426 | 426 | 5.83% | 7.07% | |
C | 7308 | 6027 | 84 | 84 | 1.15% | 1.39% | |
D | 7308 | 6027 | 61 | 61 | 0.83% | 1.01% | |
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 | 153171 | 1092.92 | 684 | 669 | 139.5 |
A | 15 | 169 | 30669 | 214.99 | 684 | 669 | 139.5 |
A | 13 | 6 | 11911 | 80.56 | 684 | 669 | 139.5 |
B | 5 | 172 | 1255403 | 9815.19 | 656 | 639 | 127.8 |
B | 5 | 31 | 582449 | 4551.11 | 656 | 639 | 127.8 |
B | 5 | 255 | 126686 | 985.98 | 656 | 639 | 127.8 |
C | 0 | 10 | 280578 | 1797.66 | 663 | 666 | 155.7 |
C | 15 | 214 | 252751 | 1618.95 | 663 | 666 | 155.7 |
C | 9 | 187 | 35452 | 223.4 | 663 | 666 | 155.7 |
D | 13 | 249 | 449756 | 2756.99 | 664 | 646 | 162.9 |
D | 10 | 118 | 45114 | 272.98 | 664 | 646 | 162.9 |
D | 10 | 199 | 44555 | 269.55 | 664 | 646 | 162.9 |
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 |
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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 | |