Observation information
- date-obs: 2024-08-17
- time-obs: 08:09:14.503000000
- date-end: 2024-08-17
- time-end: 13:01:23.475600000
- obs_id: A13_024T01_9000006394
- exposure: 14389.328585
- sourceid: NGC 991
- observer: amrutha
- ra_pnt: 38.88617
- dec_pnt: -7.154436
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_024T01_9000006394_48064cztM0_level2.fits
| modeM0/AS1A13_024T01_9000006394_48064cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,162,872,000 | 234,768,960 |
Size | 1.1 GB
| 223.9 MB
|
Events in quadrant A | 16,071,137 | 1,495,427 |
Events in quadrant B | 7,618,514 | 1,623,365 |
Events in quadrant C | 8,154,468 | 1,537,206 |
Events in quadrant D | 9,987,544 | 1,368,452 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 330 | 8 |
B | 0 | 330 | 6 |
C | 0 | 328 | 12 |
D | 0 | 329 | 11 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 62184 | 2235 |
B | 0 | 34476 | 938 |
C | 0 | 36404 | 934 |
D | 0 | 41181 | 1021 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 14 | 1 |
B | 0 | 14 | 1 |
C | 0 | 14 | 1 |
D | 0 | 14 | 1 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 15619 | 1038 | 6.645752% |
B | 15726 | 591 | 3.758108% |
C | 15713 | 600 | 3.818494% |
D | 15727 | 1004 | 6.383926% |
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 | 17311 | 15773 | 192 | 192 | 1.11% | 1.22% | |
B | 17379 | 15854 | 46 | 46 | 0.26% | 0.29% | |
C | 17365 | 15843 | 147 | 147 | 0.85% | 0.93% | |
D | 17379 | 15865 | 493 | 493 | 2.84% | 3.11% | |
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 | 8677543 | 23554.92 | 1752 | 1712 | 368.3 |
A | 13 | 248 | 550811 | 1490.81 | 1752 | 1712 | 368.3 |
A | 7 | 3 | 30584 | 78.39 | 1752 | 1712 | 368.3 |
B | 7 | 221 | 196685 | 541.62 | 1783 | 1718 | 360.0 |
B | 5 | 255 | 179207 | 493.06 | 1783 | 1718 | 360.0 |
B | 5 | 32 | 63361 | 171.24 | 1783 | 1718 | 360.0 |
C | 12 | 2 | 792857 | 1901.58 | 1761 | 1769 | 416.0 |
C | 15 | 208 | 315735 | 754.7 | 1761 | 1769 | 416.0 |
C | 14 | 254 | 64550 | 150.91 | 1761 | 1769 | 416.0 |
D | 2 | 249 | 1610273 | 3630.35 | 1748 | 1687 | 443.1 |
D | 2 | 165 | 610650 | 1374.34 | 1748 | 1687 | 443.1 |
D | 13 | 29 | 427122 | 960.15 | 1748 | 1687 | 443.1 |
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 |
|
|
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 | |