Observation information
- date-obs: 2020-06-09
- time-obs: 15:52:48.267000000
- date-end: 2020-06-11
- time-end: 15:55:09.018100000
- obs_id: A09_047T01_9000003714
- exposure: 98950.2520632
- sourceid: NGC 2818
- observer: nkrao
- ra_pnt: 139.0062
- dec_pnt: -36.62706
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_047T01_9000003714cztM0_level2_bc.evt
| modeM0/AS1A09_047T01_9000003714cztM0_level2_quad_clean.evt
|
| Size (bytes) | 6,798,623,040 | 2,131,784,640 |
| Size | 6.3 GB
| 2.0 GB
|
| Events in quadrant A | 39,609,623 | 14,254,933 |
| Events in quadrant B | 34,743,686 | 14,300,729 |
| Events in quadrant C | 32,903,001 | 13,722,324 |
| Events in quadrant D | 88,519,201 | 12,093,984 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3042 | 0 |
| B | 0 | 3042 | 0 |
| C | 0 | 3042 | 0 |
| D | 0 | 3042 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 237 | 0 |
| B | 0 | 237 | 0 |
| C | 0 | 237 | 0 |
| D | 0 | 237 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 333520 | 0 |
| B | 0 | 318383 | 0 |
| C | 0 | 318833 | 0 |
| D | 0 | 546019 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 148792 | 1683 | 1.131109% |
| B | 148792 | 1877 | 1.261493% |
| C | 148792 | 2504 | 1.682886% |
| D | 148792 | 21100 | 14.180870% |
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 | 172942 | 148770 | 64 | 64 | 0.04% | 0.04% |  |
| B | 172942 | 148771 | 37 | 37 | 0.02% | 0.02% |  |
| C | 172942 | 148773 | 11 | 11 | 0.01% | 0.01% |  |
| D | 172942 | 148704 | 2927 | 2927 | 1.69% | 1.97% |  |
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 | 6 | 16 | 6941635 | 3836.14 | 8419 | 8286 | 1807.4 |
| A | 13 | 254 | 216168 | 115.02 | 8419 | 8286 | 1807.4 |
| A | 4 | 2 | 117647 | 60.51 | 8419 | 8286 | 1807.4 |
| B | 3 | 112 | 1108565 | 707.26 | 8358 | 8176 | 1555.9 |
| B | 0 | 229 | 706796 | 449.03 | 8358 | 8176 | 1555.9 |
| B | 0 | 190 | 322746 | 202.18 | 8358 | 8176 | 1555.9 |
| C | 7 | 247 | 1751090 | 934.2 | 7979 | 7966 | 1865.9 |
| C | 2 | 16 | 173002 | 88.45 | 7979 | 7966 | 1865.9 |
| C | 7 | 87 | 127664 | 64.15 | 7979 | 7966 | 1865.9 |
| D | 1 | 52 | 29767780 | 17152.89 | 7543 | 7301 | 1735.0 |
| D | 8 | 195 | 14949980 | 8612.44 | 7543 | 7301 | 1735.0 |
| D | 7 | 238 | 7277171 | 4190.1 | 7543 | 7301 | 1735.0 |
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 |  |