Observation information
- date-obs: 2017-08-29
- time-obs: 01:54:55.246500000
- date-end: 2017-08-30
- time-end: 02:01:43.227200000
- obs_id: A03_073T01_9000001498
- exposure: 47658.6555564
- sourceid: 4U 1705-44
- observer: sriramou
- ra_pnt: 257.227
- dec_pnt: -44.10204
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A03_073T01_9000001498cztM0_level2.evt
| modeM0/AS1A03_073T01_9000001498cztM0_level2_quad_clean.evt
|
Size (bytes) | 5,376,507,840 | 966,669,120 |
Size | 5.0 GB
| 921.9 MB
|
Events in quadrant A | 35,217,581 | 6,084,304 |
Events in quadrant B | 38,679,618 | 6,108,876 |
Events in quadrant C | 34,204,360 | 6,175,215 |
Events in quadrant D | 49,722,239 | 5,822,396 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 117 | 0 |
B | 0 | 117 | 0 |
C | 0 | 117 | 0 |
D | 0 | 117 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 154122 | 0 |
B | 0 | 162592 | 0 |
C | 0 | 152839 | 0 |
D | 0 | 197008 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1521 | 0 |
B | 0 | 1516 | 0 |
C | 0 | 1518 | 0 |
D | 0 | 1518 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 74268 | 803 | 1.081219% |
B | 73997 | 1263 | 1.706826% |
C | 74319 | 528 | 0.710451% |
D | 74265 | 1835 | 2.470881% |
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 | 86309 | 75062 | 91 | 91 | 0.11% | 0.12% |  |
B | 86309 | 74829 | 335 | 335 | 0.39% | 0.45% |  |
C | 86309 | 75072 | 57 | 57 | 0.07% | 0.08% |  |
D | 86309 | 74782 | 1128 | 1128 | 1.31% | 1.51% |  |
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 | 5 | 16 | 643199 | 356.66 | 8892 | 8724 | 1778.9 |
A | 8 | 15 | 142886 | 75.42 | 8892 | 8724 | 1778.9 |
A | 0 | 226 | 81701 | 41.02 | 8892 | 8724 | 1778.9 |
B | 4 | 239 | 2439466 | 1468.76 | 8872 | 8664 | 1655.0 |
B | 0 | 214 | 609849 | 363.25 | 8872 | 8664 | 1655.0 |
B | 11 | 51 | 491978 | 292.03 | 8872 | 8664 | 1655.0 |
C | 14 | 234 | 180973 | 87.08 | 8662 | 8699 | 1978.4 |
C | 1 | 3 | 140475 | 66.61 | 8662 | 8699 | 1978.4 |
C | 15 | 48 | 69529 | 30.75 | 8662 | 8699 | 1978.4 |
D | 8 | 195 | 5822056 | 2878.51 | 8533 | 8311 | 2019.7 |
D | 1 | 20 | 4339389 | 2144.41 | 8533 | 8311 | 2019.7 |
D | 2 | 33 | 2503091 | 1235.22 | 8533 | 8311 | 2019.7 |
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 |  |