Observation information
- date-obs: 2020-08-29
- time-obs: 11:00:27.996500000
- date-end: 2020-08-29
- time-end: 13:01:28.989400000
- obs_id: A09_095T02_9000003846
- exposure: 4428.2127509
- sourceid: LMC X-2
- observer: vivek
- ra_pnt: 80.11684
- dec_pnt: -71.96481
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_095T02_9000003846_26604cztM0_level2.evt
| modeM0/AS1A09_095T02_9000003846_26604cztM0_level2_quad_clean.evt
|
| Size (bytes) | 710,159,040 | 106,931,520 |
| Size | 677.3 MB
| 102.0 MB
|
| Events in quadrant A | 3,181,958 | 753,620 |
| Events in quadrant B | 4,699,140 | 730,402 |
| Events in quadrant C | 3,355,634 | 716,591 |
| Events in quadrant D | 9,868,986 | 621,639 |
Level1 data integrity
| 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 | 13124 | 0 |
| B | 0 | 18194 | 0 |
| C | 0 | 13678 | 0 |
| D | 0 | 33429 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5946 | 52 | 0.874538% |
| B | 5947 | 462 | 7.768623% |
| C | 5947 | 102 | 1.715150% |
| D | 5947 | 2069 | 34.790651% |
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 | 7261 | 5946 | 1 | 1 | 0.01% | 0.02% |  |
| B | 7262 | 5948 | 347 | 347 | 4.78% | 5.83% |  |
| C | 7262 | 5948 | 32 | 32 | 0.44% | 0.54% |  |
| D | 7262 | 5948 | 2176 | 2176 | 29.96% | 36.58% |  |
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 | 0 | 13 | 11385 | 66.09 | 819 | 805 | 160.1 |
| A | 5 | 168 | 10253 | 59.02 | 819 | 805 | 160.1 |
| A | 13 | 254 | 9675 | 55.41 | 819 | 805 | 160.1 |
| B | 3 | 64 | 1200463 | 8471.3 | 772 | 756 | 141.6 |
| B | 0 | 189 | 428557 | 3020.76 | 772 | 756 | 141.6 |
| B | 15 | 32 | 18835 | 127.66 | 772 | 756 | 141.6 |
| C | 2 | 16 | 169485 | 959.33 | 767 | 775 | 175.9 |
| C | 14 | 238 | 126235 | 713.4 | 767 | 775 | 175.9 |
| C | 15 | 208 | 44225 | 247.07 | 767 | 775 | 175.9 |
| D | 1 | 52 | 4855507 | 29089.92 | 702 | 683 | 166.9 |
| D | 7 | 80 | 1442285 | 8638.02 | 702 | 683 | 166.9 |
| D | 12 | 233 | 592235 | 3544.56 | 702 | 683 | 166.9 |
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 |  |