Observation information
- date-obs: 2025-01-09
- time-obs: 04:50:05.283900000
- date-end: 2025-01-09
- time-end: 06:50:26.261500000
- obs_id: C09_003T01_9000006442
- exposure: 2911.06374788
- 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_50212cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50212cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,015,194,240 | 70,473,600 |
Size | 968.2 MB
| 67.2 MB
|
Events in quadrant A | 6,623,192 | 533,881 |
Events in quadrant B | 5,407,780 | 586,633 |
Events in quadrant C | 11,351,502 | 325,050 |
Events in quadrant D | 13,697,532 | 235,963 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 8 | 0 |
B | 0 | 8 | 0 |
C | 0 | 8 | 0 |
D | 0 | 8 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 24117 | 1 |
B | 0 | 20601 | 1 |
C | 0 | 38245 | 1 |
D | 0 | 45140 | 1 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 130 | 0 |
B | 0 | 130 | 0 |
C | 0 | 130 | 0 |
D | 0 | 130 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6481 | 838 | 12.930103% |
B | 6482 | 679 | 10.475162% |
C | 6482 | 3039 | 46.883678% |
D | 6482 | 3899 | 60.151188% |
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 | 7221 | 6481 | 783 | 783 | 10.84% | 12.08% |  |
B | 7222 | 6482 | 447 | 447 | 6.19% | 6.90% |  |
C | 7221 | 6481 | 2683 | 2683 | 37.16% | 41.40% |  |
D | 7222 | 6482 | 3950 | 3950 | 54.69% | 60.94% |  |
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 | 0 | 98 | 2158642 | 13323.36 | 651 | 634 | 162.0 |
A | 10 | 253 | 326957 | 2014.69 | 651 | 634 | 162.0 |
A | 12 | 250 | 298588 | 1839.54 | 651 | 634 | 162.0 |
B | 4 | 206 | 1864524 | 13467.42 | 648 | 627 | 138.4 |
B | 6 | 203 | 208464 | 1501.71 | 648 | 627 | 138.4 |
B | 3 | 249 | 135008 | 970.96 | 648 | 627 | 138.4 |
C | 4 | 111 | 3420509 | 22682.95 | 505 | 499 | 150.8 |
C | 15 | 197 | 2578945 | 17101.34 | 505 | 499 | 150.8 |
C | 15 | 213 | 797251 | 5284.39 | 505 | 499 | 150.8 |
D | 15 | 108 | 3311727 | 23254.84 | 489 | 474 | 142.4 |
D | 7 | 61 | 3035498 | 21314.89 | 489 | 474 | 142.4 |
D | 11 | 245 | 2030537 | 14257.08 | 489 | 474 | 142.4 |
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 |  |