Observation information
- date-obs: 2022-12-15
- time-obs: 01:41:50.681500000
- date-end: 2022-12-15
- time-end: 03:25:00.066500000
- obs_id: A12_061T07_9000005422
- exposure: 4657.83496761
- 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_9000005422_39006cztM0_level2.fits
| modeM0/AS1A12_061T07_9000005422_39006cztM0_level2_quad_clean.evt
|
Size (bytes) | 301,567,680 | 80,867,520 |
Size | 287.6 MB
| 77.1 MB
|
Events in quadrant A | 3,610,688 | 531,168 |
Events in quadrant B | 2,347,108 | 553,542 |
Events in quadrant C | 2,314,057 | 530,471 |
Events in quadrant D | 2,510,788 | 491,019 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 100 | 0 |
B | 0 | 100 | 0 |
C | 0 | 100 | 0 |
D | 0 | 100 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 13941 | 1 |
B | 0 | 10245 | 1 |
C | 0 | 9785 | 1 |
D | 0 | 10789 | 1 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 13 | 0 |
B | 0 | 13 | 0 |
C | 0 | 13 | 0 |
D | 0 | 13 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 4878 | 188 | 3.854039% |
B | 4878 | 40 | 0.820008% |
C | 4878 | 1 | 0.020500% |
D | 4878 | 28 | 0.574006% |
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 | 6191 | 4879 | 237 | 237 | 3.83% | 4.86% |  |
B | 6191 | 4879 | 11 | 11 | 0.18% | 0.23% |  |
C | 6191 | 4879 | 0 | 0 | 0.00% | 0.00% |  |
D | 6191 | 4879 | 31 | 31 | 0.50% | 0.64% |  |
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 | 222 | 1058107 | 9394.25 | 549 | 538 | 112.6 |
A | 10 | 83 | 308217 | 2733.07 | 549 | 538 | 112.6 |
A | 13 | 248 | 99197 | 876.38 | 549 | 538 | 112.6 |
B | 5 | 172 | 149559 | 1393.96 | 549 | 534 | 106.9 |
B | 0 | 230 | 22427 | 204.78 | 549 | 534 | 106.9 |
B | 12 | 111 | 13690 | 123.06 | 549 | 534 | 106.9 |
C | 15 | 214 | 198031 | 1544.7 | 539 | 543 | 127.8 |
C | 1 | 128 | 10007 | 74.03 | 539 | 543 | 127.8 |
C | 10 | 20 | 4046 | 27.4 | 539 | 543 | 127.8 |
D | 13 | 171 | 184931 | 1401.83 | 538 | 523 | 131.5 |
D | 12 | 227 | 137937 | 1044.59 | 538 | 523 | 131.5 |
D | 12 | 235 | 65464 | 493.67 | 538 | 523 | 131.5 |
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 |  |