Observation information
- date-obs: 2025-05-03
- time-obs: 05:56:24.473200000
- date-end: 2025-05-03
- time-end: 08:04:19.455800000
- obs_id: C09_011T05_9000006466
- exposure: 6299.19793779
- 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_51906cztM0_level2.fits
| modeM0/AS1C09_011T05_9000006466_51906cztM0_level2_quad_clean.evt
|
Size (bytes) | 703,656,000 | 102,640,320 |
Size | 671.1 MB
| 97.9 MB
|
Events in quadrant A | 7,908,937 | 632,535 |
Events in quadrant B | 5,092,508 | 752,422 |
Events in quadrant C | 4,954,424 | 662,695 |
Events in quadrant D | 7,496,820 | 525,921 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 154 | 0 |
B | 0 | 154 | 0 |
C | 0 | 154 | 0 |
D | 0 | 154 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 28826 | 0 |
B | 0 | 20406 | 0 |
C | 0 | 20262 | 0 |
D | 0 | 27699 | 4 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7675 | 931 | 12.130293% |
B | 7675 | 229 | 2.983713% |
C | 7675 | 332 | 4.325733% |
D | 7675 | 1420 | 18.501629% |
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 | 7675 | 7675 | 720 | 720 | 9.38% | 9.38% |  |
B | 7675 | 7675 | 152 | 152 | 1.98% | 1.98% |  |
C | 7675 | 7675 | 215 | 215 | 2.80% | 2.80% |  |
D | 7675 | 7675 | 1338 | 1338 | 17.43% | 17.43% |  |
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 | 7 | 64 | 2115710 | 11636.84 | 742 | 726 | 181.7 |
A | 4 | 175 | 762618 | 4192.0 | 742 | 726 | 181.7 |
A | 11 | 3 | 630861 | 3467.06 | 742 | 726 | 181.7 |
B | 10 | 254 | 791027 | 4758.72 | 779 | 751 | 166.1 |
B | 5 | 172 | 520643 | 3130.58 | 779 | 751 | 166.1 |
B | 12 | 32 | 180633 | 1083.18 | 779 | 751 | 166.1 |
C | 13 | 3 | 483284 | 2350.87 | 746 | 742 | 205.3 |
C | 15 | 178 | 399058 | 1940.54 | 746 | 742 | 205.3 |
C | 15 | 224 | 223749 | 1086.46 | 746 | 742 | 205.3 |
D | 6 | 42 | 2528601 | 13192.13 | 664 | 637 | 191.6 |
D | 3 | 12 | 579521 | 3020.9 | 664 | 637 | 191.6 |
D | 0 | 5 | 509560 | 2655.8 | 664 | 637 | 191.6 |
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 |  |