Observation information
- date-obs: 2018-07-21
- time-obs: 15:41:54.350000000
- date-end: 2018-07-22
- time-end: 09:09:11.327100000
- obs_id: T02_071T01_9000002246
- exposure: 31640.4692038
- sourceid: SMC2-cal
- observer: annapurni
- ra_pnt: 17.225
- dec_pnt: -71.41167
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T02_071T01_9000002246cztM0_level2.fits
| modeM0/AS1T02_071T01_9000002246cztM0_level2_quad_clean.evt
|
| Size (bytes) | 458,429,760 | 521,887,680 |
| Size | 437.2 MB
| 497.7 MB
|
| Events in quadrant A | 2,771,310 | 3,184,025 |
| Events in quadrant B | 2,614,962 | 3,107,252 |
| Events in quadrant C | 2,756,880 | 3,209,585 |
| Events in quadrant D | 2,430,032 | 2,997,182 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 978 | 0 |
| B | 0 | 978 | 0 |
| C | 0 | 978 | 0 |
| D | 0 | 978 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 93 | 0 |
| B | 0 | 93 | 0 |
| C | 0 | 93 | 0 |
| D | 0 | 93 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 148369 | 0 |
| B | 0 | 139334 | 0 |
| C | 0 | 136554 | 0 |
| D | 0 | 103638 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 48209 | 2427 | 5.034330% |
| B | 48209 | 4441 | 9.211973% |
| C | 48209 | 950 | 1.970586% |
| D | 48209 | 470 | 0.974922% |
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 | 62838 | 48208 | 0 | 0 | 0.00% | 0.00% |  |
| B | 62838 | 48057 | 0 | 0 | 0.00% | 0.00% |  |
| C | 62838 | 48207 | 0 | 0 | 0.00% | 0.00% |  |
| D | 62838 | 48208 | 0 | 0 | 0.00% | 0.00% |  |
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 | 29 | 2636 | 11.1 | 720 | 680 | 176.2 |
| A | 7 | 110 | 2194 | 8.59 | 720 | 680 | 176.2 |
| A | 9 | 19 | 2155 | 8.37 | 720 | 680 | 176.2 |
| B | 2 | 9 | 2229 | 11.84 | 692 | 666 | 132.1 |
| B | 14 | 254 | 1757 | 8.26 | 692 | 666 | 132.1 |
| B | 3 | 17 | 1736 | 8.1 | 692 | 666 | 132.1 |
| C | 12 | 241 | 1973 | 6.9 | 729 | 687 | 186.5 |
| C | 7 | 111 | 1864 | 6.31 | 729 | 687 | 186.5 |
| C | 3 | 126 | 1851 | 6.24 | 729 | 687 | 186.5 |
| D | 6 | 231 | 1807 | 6.28 | 693 | 630 | 187.4 |
| D | 3 | 14 | 1767 | 6.07 | 693 | 630 | 187.4 |
| D | 6 | 67 | 1709 | 5.76 | 693 | 630 | 187.4 |
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 |  |