Observation information
- date-obs: 2020-04-22
- time-obs: 20:34:42.135000000
- date-end: 2020-04-23
- time-end: 01:12:35.122600000
- obs_id: T03_191T01_9000003618
- exposure: 15495.3237293
- sourceid: LMC X-2
- observer: ramadevi
- ra_pnt: 80.11684
- dec_pnt: -71.96481
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T03_191T01_9000003618_24702cztM0_level2.evt
| modeM0/AS1T03_191T01_9000003618_24702cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,078,608,960 | 288,907,200 |
| Size | 1.0 GB
| 275.5 MB
|
| Events in quadrant A | 7,072,140 | 1,972,082 |
| Events in quadrant B | 7,574,968 | 1,977,735 |
| Events in quadrant C | 7,558,399 | 1,877,432 |
| Events in quadrant D | 9,407,069 | 1,849,672 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31569 | 3 |
| B | 0 | 32693 | 3 |
| C | 0 | 31972 | 3 |
| D | 0 | 38693 | 3 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 314 | 0 |
| B | 0 | 314 | 0 |
| C | 0 | 314 | 0 |
| D | 0 | 314 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 15580 | 57 | 0.365854% |
| B | 15579 | 122 | 0.783105% |
| C | 15579 | 121 | 0.776687% |
| D | 15579 | 148 | 0.949997% |
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 | 16665 | 15581 | 1 | 1 | 0.01% | 0.01% |  |
| B | 16664 | 15580 | 37 | 37 | 0.22% | 0.24% |  |
| C | 16664 | 15580 | 0 | 0 | 0.00% | 0.00% |  |
| D | 16664 | 15580 | 91 | 91 | 0.55% | 0.58% |  |
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 | 13 | 254 | 26051 | 66.41 | 1829 | 1787 | 365.4 |
| A | 10 | 255 | 19357 | 48.09 | 1829 | 1787 | 365.4 |
| A | 3 | 137 | 16864 | 41.27 | 1829 | 1787 | 365.4 |
| B | 4 | 80 | 170938 | 498.45 | 1809 | 1766 | 339.4 |
| B | 3 | 64 | 126102 | 366.34 | 1809 | 1766 | 339.4 |
| B | 0 | 189 | 61303 | 175.42 | 1809 | 1766 | 339.4 |
| C | 7 | 247 | 438830 | 1078.25 | 1742 | 1753 | 405.4 |
| C | 14 | 238 | 279398 | 684.94 | 1742 | 1753 | 405.4 |
| C | 5 | 112 | 18225 | 40.64 | 1742 | 1753 | 405.4 |
| D | 1 | 52 | 1025596 | 2392.12 | 1773 | 1721 | 428.0 |
| D | 7 | 238 | 888108 | 2070.9 | 1773 | 1721 | 428.0 |
| D | 8 | 195 | 660379 | 1538.85 | 1773 | 1721 | 428.0 |
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 |  |