Observation information
- date-obs: 2018-07-22
- time-obs: 02:27:38.333500000
- date-end: 2018-07-22
- time-end: 04:51:46.331700000
- obs_id: T02_071T01_9000002246
- exposure: 7354.74427921
- 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_9000002246_15216cztM0_level2.evt
| modeM0/AS1T02_071T01_9000002246_15216cztM0_level2_quad_clean.evt
|
| Size (bytes) | 636,243,840 | 135,806,400 |
| Size | 606.8 MB
| 129.5 MB
|
| Events in quadrant A | 5,298,968 | 904,139 |
| Events in quadrant B | 5,619,428 | 886,608 |
| Events in quadrant C | 4,482,992 | 918,151 |
| Events in quadrant D | 3,362,599 | 885,327 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 152 | 0 |
| B | 0 | 152 | 0 |
| C | 0 | 152 | 0 |
| D | 0 | 152 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20784 | 3 |
| B | 0 | 21746 | 2 |
| C | 0 | 18169 | 2 |
| D | 0 | 15496 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7458 | 240 | 3.218021% |
| B | 7458 | 664 | 8.903191% |
| C | 7458 | 133 | 1.783320% |
| D | 7458 | 66 | 0.884956% |
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 | 8649 | 7461 | 157 | 157 | 1.82% | 2.10% |  |
| B | 8649 | 7461 | 376 | 376 | 4.35% | 5.04% |  |
| C | 8649 | 7461 | 13 | 13 | 0.15% | 0.17% |  |
| D | 8649 | 7461 | 8 | 8 | 0.09% | 0.11% |  |
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 | 253 | 1792841 | 10304.63 | 858 | 838 | 173.9 |
| A | 12 | 189 | 170127 | 973.47 | 858 | 838 | 173.9 |
| A | 13 | 248 | 35220 | 197.71 | 858 | 838 | 173.9 |
| B | 3 | 112 | 1836046 | 11592.98 | 838 | 814 | 158.3 |
| B | 0 | 229 | 282606 | 1780.05 | 838 | 814 | 158.3 |
| B | 0 | 245 | 79776 | 498.79 | 838 | 814 | 158.3 |
| C | 3 | 233 | 1089658 | 5615.32 | 847 | 851 | 193.9 |
| C | 4 | 254 | 72246 | 368.21 | 847 | 851 | 193.9 |
| C | 0 | 207 | 6995 | 31.69 | 847 | 851 | 193.9 |
| D | 8 | 195 | 60904 | 291.76 | 844 | 816 | 205.9 |
| D | 2 | 234 | 26486 | 124.64 | 844 | 816 | 205.9 |
| D | 2 | 33 | 24100 | 113.06 | 844 | 816 | 205.9 |
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 |  |