Observation information
- date-obs: 2025-01-05
- time-obs: 09:02:11.272400000
- date-end: 2025-01-05
- time-end: 11:10:34.248100000
- obs_id: C09_003T01_9000006442
- exposure: 2950.90544158
- sourceid: Cas A
- observer: chandrasunil
- ra_pnt: 350.85
- dec_pnt: 58.815
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C09_003T01_9000006442_50336cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50336cztM0_level2_quad_clean.evt
|
Size (bytes) | 862,145,280 | 87,238,080 |
Size | 822.2 MB
| 83.2 MB
|
Events in quadrant A | 5,448,442 | 646,742 |
Events in quadrant B | 4,668,313 | 703,032 |
Events in quadrant C | 7,717,214 | 542,778 |
Events in quadrant D | 13,537,033 | 259,895 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 7 | 0 |
B | 0 | 7 | 0 |
C | 0 | 7 | 0 |
D | 0 | 7 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 21019 | 2 |
B | 0 | 18619 | 2 |
C | 0 | 27850 | 2 |
D | 0 | 45053 | 5 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 142 | 0 |
B | 0 | 142 | 0 |
C | 0 | 142 | 0 |
D | 0 | 142 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7018 | 362 | 5.158165% |
B | 7018 | 334 | 4.759191% |
C | 7019 | 1332 | 18.977062% |
D | 7018 | 4271 | 60.857794% |
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 | 7703 | 7018 | 203 | 203 | 2.64% | 2.89% |  |
B | 7703 | 7018 | 145 | 145 | 1.88% | 2.07% |  |
C | 7704 | 7019 | 1209 | 1209 | 15.69% | 17.22% |  |
D | 7703 | 7018 | 4107 | 4107 | 53.32% | 58.52% |  |
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 | 488115 | 2637.13 | 751 | 735 | 184.8 |
A | 3 | 231 | 483421 | 2611.73 | 751 | 735 | 184.8 |
A | 7 | 206 | 258579 | 1395.15 | 751 | 735 | 184.8 |
B | 10 | 254 | 454702 | 2862.61 | 744 | 719 | 158.6 |
B | 1 | 238 | 259678 | 1632.88 | 744 | 719 | 158.6 |
B | 10 | 44 | 173856 | 1091.72 | 744 | 719 | 158.6 |
C | 15 | 127 | 2161699 | 11308.11 | 697 | 694 | 191.1 |
C | 0 | 208 | 774247 | 4047.85 | 697 | 694 | 191.1 |
C | 15 | 196 | 648900 | 3391.93 | 697 | 694 | 191.1 |
D | 7 | 61 | 8126807 | 59094.33 | 481 | 465 | 137.5 |
D | 11 | 245 | 677259 | 4921.61 | 481 | 465 | 137.5 |
D | 15 | 154 | 441032 | 3203.78 | 481 | 465 | 137.5 |
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 |  |