Observation information
- date-obs: 2023-11-27
- time-obs: 00:41:46.697500000
- date-end: 2023-11-27
- time-end: 02:51:26.696100000
- obs_id: A13_012T02_9000005950
- exposure: 6430.78613585
- sourceid: NGC4725
- observer: jyoti
- ra_pnt: 192.6107
- dec_pnt: 25.50081
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_012T02_9000005950_44144cztM0_level2.fits
| modeM0/AS1A13_012T02_9000005950_44144cztM0_level2_quad_clean.evt
|
Size (bytes) | 518,011,200 | 116,213,760 |
Size | 494.0 MB
| 110.8 MB
|
Events in quadrant A | 6,583,470 | 706,419 |
Events in quadrant B | 4,044,091 | 806,417 |
Events in quadrant C | 3,571,144 | 791,055 |
Events in quadrant D | 4,401,215 | 699,722 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 4 | 0 |
B | 0 | 4 | 0 |
C | 0 | 4 | 0 |
D | 0 | 4 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 152 | 0 |
B | 0 | 152 | 0 |
C | 0 | 152 | 0 |
D | 0 | 152 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 24524 | 1 |
B | 0 | 17280 | 1 |
C | 0 | 15931 | 1 |
D | 0 | 18688 | 1 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7400 | 998 | 13.486486% |
B | 7401 | 253 | 3.418457% |
C | 7401 | 26 | 0.351304% |
D | 7401 | 254 | 3.431969% |
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 | 7780 | 7401 | 382 | 382 | 4.91% | 5.16% |  |
B | 7781 | 7403 | 150 | 150 | 1.93% | 2.03% |  |
C | 7781 | 7403 | 4 | 4 | 0.05% | 0.05% |  |
D | 7781 | 7403 | 182 | 182 | 2.34% | 2.46% |  |
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 | 15 | 223 | 1753310 | 10707.11 | 781 | 764 | 163.7 |
A | 10 | 83 | 1273364 | 7774.9 | 781 | 764 | 163.7 |
A | 14 | 238 | 509699 | 3109.32 | 781 | 764 | 163.7 |
B | 5 | 172 | 567743 | 3505.74 | 817 | 792 | 161.7 |
B | 0 | 200 | 159614 | 982.07 | 817 | 792 | 161.7 |
B | 5 | 235 | 29777 | 179.23 | 817 | 792 | 161.7 |
C | 1 | 241 | 332568 | 1737.59 | 811 | 816 | 190.9 |
C | 14 | 254 | 44184 | 227.14 | 811 | 816 | 190.9 |
C | 2 | 14 | 10153 | 48.9 | 811 | 816 | 190.9 |
D | 1 | 47 | 831938 | 4109.94 | 793 | 767 | 202.2 |
D | 2 | 249 | 267856 | 1320.69 | 793 | 767 | 202.2 |
D | 13 | 249 | 67518 | 330.07 | 793 | 767 | 202.2 |
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 |  |