Observation information
- date-obs: 2023-11-26
- time-obs: 04:01:52.718600000
- date-end: 2023-11-26
- time-end: 05:57:26.716400000
- obs_id: A13_012T02_9000005950
- exposure: 6618.78341728
- 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_44131cztM0_level2.fits
| modeM0/AS1A13_012T02_9000005950_44131cztM0_level2_quad_clean.evt
|
Size (bytes) | 444,905,280 | 109,713,600 |
Size | 424.3 MB
| 104.6 MB
|
Events in quadrant A | 4,145,260 | 736,296 |
Events in quadrant B | 3,603,327 | 743,506 |
Events in quadrant C | 3,032,099 | 721,955 |
Events in quadrant D | 5,149,493 | 637,417 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 3 | 3 |
B | 1 | 3 | 3 |
C | 1 | -1 | -1 |
D | 1 | -1 | -1 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 138 | 0 |
B | 0 | 138 | 0 |
C | 0 | 138 | 0 |
D | 0 | 138 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 16969 | 0 |
B | 0 | 15744 | 9 |
C | 0 | 14399 | 6 |
D | 0 | 20357 | 3 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6934 | 12 | 0.173060% |
B | 6929 | 135 | 1.948333% |
C | 6930 | 12 | 0.173160% |
D | 6933 | 321 | 4.630030% |
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 | 6934 | 6934 | 1 | 1 | 0.01% | 0.01% |  |
B | 6934 | 6931 | 90 | 90 | 1.30% | 1.30% |  |
C | 6934 | 6932 | 4 | 4 | 0.06% | 0.06% |  |
D | 6935 | 6934 | 239 | 239 | 3.45% | 3.45% |  |
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 | 10 | 83 | 1155171 | 7245.71 | 761 | 745 | 159.3 |
A | 13 | 6 | 15276 | 91.2 | 761 | 745 | 159.3 |
A | 15 | 174 | 14450 | 86.02 | 761 | 745 | 159.3 |
B | 5 | 172 | 358828 | 2373.58 | 754 | 732 | 150.9 |
B | 0 | 200 | 82003 | 538.69 | 754 | 732 | 150.9 |
B | 4 | 171 | 49343 | 322.21 | 754 | 732 | 150.9 |
C | 1 | 241 | 67238 | 379.39 | 741 | 747 | 175.3 |
C | 14 | 96 | 36312 | 202.93 | 741 | 747 | 175.3 |
C | 14 | 254 | 23271 | 128.52 | 741 | 747 | 175.3 |
D | 2 | 249 | 498748 | 2722.05 | 728 | 708 | 183.0 |
D | 1 | 47 | 406058 | 2215.45 | 728 | 708 | 183.0 |
D | 1 | 52 | 324794 | 1771.3 | 728 | 708 | 183.0 |
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 |  |