Observation information
- date-obs: 2025-05-04
- time-obs: 01:14:47.314200000
- date-end: 2025-05-04
- time-end: 03:12:50.297400000
- obs_id: C09_011T05_9000006466
- exposure: 4206.54301804
- sourceid: NGC 188
- observer: stalin
- ra_pnt: 12.08
- dec_pnt: 85.15722
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C09_011T05_9000006466_51918cztM0_level2.fits
| modeM0/AS1C09_011T05_9000006466_51918cztM0_level2_quad_clean.evt
|
Size (bytes) | 839,810,880 | 70,620,480 |
Size | 800.9 MB
| 67.3 MB
|
Events in quadrant A | 9,126,955 | 398,682 |
Events in quadrant B | 7,239,952 | 450,896 |
Events in quadrant C | 5,619,178 | 505,068 |
Events in quadrant D | 8,623,917 | 352,521 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 124 | 0 |
B | 0 | 124 | 0 |
C | 0 | 124 | 0 |
D | 0 | 124 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 31397 | 1 |
B | 0 | 25919 | 3 |
C | 0 | 21110 | 1 |
D | 0 | 29963 | 1 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10 | 0 |
B | 0 | 10 | 0 |
C | 0 | 10 | 0 |
D | 0 | 10 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6173 | 1990 | 32.237162% |
B | 6172 | 1828 | 29.617628% |
C | 6173 | 767 | 12.425077% |
D | 6173 | 2130 | 34.505103% |
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 | 7083 | 6173 | 1872 | 1872 | 26.43% | 30.33% |  |
B | 7082 | 6173 | 1346 | 1346 | 19.01% | 21.80% |  |
C | 7083 | 6174 | 595 | 595 | 8.40% | 9.64% |  |
D | 7083 | 6174 | 1792 | 1792 | 25.30% | 29.02% |  |
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 | 8 | 248 | 2843196 | 22302.94 | 505 | 492 | 127.5 |
A | 7 | 64 | 1954759 | 15332.55 | 505 | 492 | 127.5 |
A | 12 | 3 | 1061562 | 8324.81 | 505 | 492 | 127.5 |
B | 4 | 206 | 4233658 | 37643.62 | 525 | 508 | 112.5 |
B | 12 | 32 | 281706 | 2500.58 | 525 | 508 | 112.5 |
B | 4 | 171 | 170863 | 1514.9 | 525 | 508 | 112.5 |
C | 15 | 158 | 2190554 | 13731.68 | 578 | 575 | 159.5 |
C | 4 | 5 | 237102 | 1483.08 | 578 | 575 | 159.5 |
C | 13 | 3 | 131020 | 817.92 | 578 | 575 | 159.5 |
D | 15 | 94 | 3616558 | 27121.79 | 464 | 442 | 133.3 |
D | 3 | 12 | 742449 | 5565.24 | 464 | 442 | 133.3 |
D | 12 | 17 | 645703 | 4839.62 | 464 | 442 | 133.3 |
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 |  |