Observation information
- date-obs: 2021-08-12
- time-obs: 09:52:13.929400000
- date-end: 2021-08-12
- time-end: 21:37:42.802500000
- obs_id: A10_059T01_9000004634
- exposure: 22607.1002199
- sourceid: 4U 1735-44
- observer: jitheshthejus
- ra_pnt: 264.7429
- dec_pnt: -44.45
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A10_059T01_9000004634cztM0_level2_bc.evt
| modeM0/AS1A10_059T01_9000004634cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,739,700,800 | 510,874,560 |
Size | 2.6 GB
| 487.2 MB
|
Events in quadrant A | 22,436,342 | 3,150,379 |
Events in quadrant B | 20,952,659 | 3,455,881 |
Events in quadrant C | 20,008,266 | 3,192,097 |
Events in quadrant D | 17,208,991 | 3,277,493 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 74 | 0 |
B | 0 | 74 | 0 |
C | 0 | 74 | 0 |
D | 0 | 74 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 710 | 0 |
B | 0 | 710 | 0 |
C | 0 | 710 | 0 |
D | 0 | 710 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 139467 | 0 |
B | 0 | 120558 | 0 |
C | 0 | 120514 | 0 |
D | 0 | 104209 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 34835 | 8720 | 25.032295% |
B | 34835 | 2604 | 7.475240% |
C | 34835 | 5679 | 16.302569% |
D | 34835 | 1586 | 4.552892% |
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 | 42329 | 34824 | 621 | 621 | 1.47% | 1.78% |  |
B | 42329 | 34834 | 170 | 170 | 0.40% | 0.49% |  |
C | 42330 | 34834 | 757 | 757 | 1.79% | 2.17% |  |
D | 42329 | 34833 | 83 | 83 | 0.20% | 0.24% |  |
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 | 13 | 15353121 | 38927.78 | 1825 | 1802 | 394.4 |
A | 13 | 254 | 56028 | 137.51 | 1825 | 1802 | 394.4 |
A | 14 | 238 | 38597 | 93.3 | 1825 | 1802 | 394.4 |
B | 6 | 159 | 9370173 | 24491.28 | 2035 | 1997 | 382.5 |
B | 5 | 172 | 1999615 | 5222.39 | 2035 | 1997 | 382.5 |
B | 10 | 245 | 949539 | 2477.16 | 2035 | 1997 | 382.5 |
C | 3 | 233 | 7899937 | 18356.95 | 1844 | 1848 | 430.3 |
C | 0 | 10 | 4137249 | 9611.61 | 1844 | 1848 | 430.3 |
C | 10 | 22 | 709658 | 1645.11 | 1844 | 1848 | 430.3 |
D | 8 | 195 | 6205852 | 13855.62 | 1992 | 1940 | 447.8 |
D | 12 | 218 | 1845270 | 4116.83 | 1992 | 1940 | 447.8 |
D | 12 | 233 | 466748 | 1038.09 | 1992 | 1940 | 447.8 |
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 |  |