Observation information
- date-obs: 2025-01-06
- time-obs: 21:35:24.884600000
- date-end: 2025-01-06
- time-end: 23:40:24.862600000
- obs_id: C09_003T01_9000006442
- exposure: 4958.6359297
- 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_50358cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50358cztM0_level2_quad_clean.evt
|
Size (bytes) | 873,866,880 | 81,584,640 |
Size | 833.4 MB
| 77.8 MB
|
Events in quadrant A | 5,308,140 | 584,281 |
Events in quadrant B | 9,194,748 | 557,973 |
Events in quadrant C | 8,861,506 | 447,082 |
Events in quadrant D | 8,473,894 | 419,859 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 9 | 0 |
B | 0 | 9 | 0 |
C | 0 | 9 | 0 |
D | 0 | 9 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 20633 | 1 |
B | 0 | 31983 | 1 |
C | 0 | 30931 | 1 |
D | 0 | 29697 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 134 | 0 |
B | 0 | 134 | 0 |
C | 0 | 134 | 0 |
D | 0 | 134 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6605 | 337 | 5.102195% |
B | 6606 | 1467 | 22.207084% |
C | 6606 | 1893 | 28.655767% |
D | 6605 | 1823 | 27.600303% |
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 | 7500 | 6606 | 241 | 241 | 3.21% | 3.65% |  |
B | 7501 | 6607 | 958 | 958 | 12.77% | 14.50% |  |
C | 7501 | 6607 | 1447 | 1447 | 19.29% | 21.90% |  |
D | 7500 | 6606 | 1642 | 1642 | 21.89% | 24.86% |  |
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 | 4 | 3 | 1047107 | 6138.86 | 686 | 669 | 170.5 |
A | 7 | 206 | 491407 | 2878.88 | 686 | 669 | 170.5 |
A | 7 | 221 | 209957 | 1227.77 | 686 | 669 | 170.5 |
B | 4 | 170 | 4378779 | 30970.52 | 655 | 632 | 141.4 |
B | 10 | 44 | 1371563 | 9697.81 | 655 | 632 | 141.4 |
B | 10 | 43 | 348080 | 2457.81 | 655 | 632 | 141.4 |
C | 15 | 230 | 3285429 | 19441.77 | 599 | 593 | 169.0 |
C | 15 | 232 | 907288 | 5366.4 | 599 | 593 | 169.0 |
C | 5 | 65 | 427090 | 2524.28 | 599 | 593 | 169.0 |
D | 7 | 61 | 2987333 | 17624.83 | 604 | 585 | 169.5 |
D | 2 | 14 | 573718 | 3382.06 | 604 | 585 | 169.5 |
D | 3 | 12 | 545023 | 3212.73 | 604 | 585 | 169.5 |
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 |  |