Observation information
- date-obs: 2022-03-02
- time-obs: 01:27:05.623100000
- date-end: 2022-03-02
- time-end: 03:38:51.622200000
- obs_id: A10_048T04_9000004984
- exposure: 2524.49856369
- sourceid: NGC 4984
- observer: chayan
- ra_pnt: 197.2383
- dec_pnt: -15.51631
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A10_048T04_9000004984_34740cztM0_level2.evt
| modeM0/AS1A10_048T04_9000004984_34740cztM0_level2_quad_clean.evt
|
Size (bytes) | 508,668,480 | 63,397,440 |
Size | 485.1 MB
| 60.5 MB
|
Events in quadrant A | 2,942,507 | 425,474 |
Events in quadrant B | 3,802,248 | 427,898 |
Events in quadrant C | 2,843,810 | 432,950 |
Events in quadrant D | 5,476,982 | 281,537 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 104 | 0 |
B | 0 | 104 | 0 |
C | 0 | 104 | 0 |
D | 0 | 104 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11918 | 3 |
B | 0 | 14566 | 2 |
C | 0 | 11192 | 2 |
D | 0 | 19795 | 2 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 28 | 0 |
B | 0 | 28 | 0 |
C | 0 | 28 | 0 |
D | 0 | 29 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5003 | 8 | 0.159904% |
B | 5003 | 248 | 4.957026% |
C | 5003 | 23 | 0.459724% |
D | 5003 | 1040 | 20.787527% |
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 | 7036 | 5005 | 2 | 2 | 0.03% | 0.04% | |
B | 7036 | 5005 | 170 | 170 | 2.42% | 3.40% | |
C | 7036 | 5005 | 15 | 15 | 0.21% | 0.30% | |
D | 7036 | 5005 | 717 | 717 | 10.19% | 14.33% | |
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 | 15 | 169 | 241174 | 1843.74 | 654 | 642 | 130.5 |
A | 15 | 223 | 91801 | 698.76 | 654 | 642 | 130.5 |
A | 10 | 83 | 47506 | 359.22 | 654 | 642 | 130.5 |
B | 4 | 171 | 539996 | 4486.96 | 637 | 622 | 120.2 |
B | 5 | 172 | 435695 | 3619.3 | 637 | 622 | 120.2 |
B | 0 | 190 | 148995 | 1234.29 | 637 | 622 | 120.2 |
C | 15 | 214 | 214439 | 1451.83 | 642 | 649 | 147.3 |
C | 0 | 10 | 87169 | 587.55 | 642 | 649 | 147.3 |
C | 0 | 207 | 20218 | 132.89 | 642 | 649 | 147.3 |
D | 10 | 118 | 2371344 | 18041.21 | 544 | 532 | 131.4 |
D | 8 | 195 | 784260 | 5963.95 | 544 | 532 | 131.4 |
D | 2 | 249 | 65306 | 492.91 | 544 | 532 | 131.4 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
|
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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 |
|
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Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
|
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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 | |