Observation information
- date-obs: 2017-09-19
- time-obs: 23:45:49.541600000
- date-end: 2017-09-20
- time-end: 00:27:44.532900000
- obs_id: A03_053T01_9000001542
- exposure: 836.142603271
- sourceid: GRS 1758-258
- observer: Radhika
- ra_pnt: 270.3017
- dec_pnt: -25.74336
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A03_053T01_9000001542_10699cztM0_level2.evt
| modeM0/AS1A03_053T01_9000001542_10699cztM0_level2_quad_clean.evt
|
| Size (bytes) | 159,566,400 | 18,720,000 |
| Size | 152.2 MB
| 17.9 MB
|
| Events in quadrant A | 985,319 | 111,655 |
| Events in quadrant B | 1,304,211 | 108,577 |
| Events in quadrant C | 847,456 | 112,185 |
| Events in quadrant D | 1,571,408 | 102,632 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4111 | 2 |
| B | 0 | 5067 | 1 |
| C | 0 | 3804 | 1 |
| D | 0 | 5911 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 38 | 0 |
| B | 0 | 38 | 0 |
| C | 0 | 38 | 0 |
| D | 0 | 38 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 1790 | 46 | 2.569832% |
| B | 1790 | 143 | 7.988827% |
| C | 1790 | 14 | 0.782123% |
| D | 1790 | 66 | 3.687151% |
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 | 2515 | 1791 | 15 | 15 | 0.60% | 0.84% |  |
| B | 2515 | 1791 | 56 | 56 | 2.23% | 3.13% |  |
| C | 2515 | 1791 | 0 | 0 | 0.00% | 0.00% |  |
| D | 2515 | 1791 | 32 | 32 | 1.27% | 1.79% |  |
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 | 15 | 174 | 100220 | 2143.18 | 219 | 214 | 46.7 |
| A | 15 | 239 | 14977 | 316.38 | 219 | 214 | 46.7 |
| A | 4 | 2 | 6943 | 144.21 | 219 | 214 | 46.7 |
| B | 4 | 239 | 369653 | 8341.16 | 218 | 213 | 44.3 |
| B | 15 | 204 | 19610 | 437.94 | 218 | 213 | 44.3 |
| B | 0 | 168 | 17515 | 390.64 | 218 | 213 | 44.3 |
| C | 8 | 128 | 3835 | 69.69 | 215 | 215 | 51.9 |
| C | 8 | 112 | 1991 | 34.19 | 215 | 215 | 51.9 |
| C | 13 | 61 | 1599 | 26.65 | 215 | 215 | 51.9 |
| D | 2 | 16 | 431465 | 8083.19 | 209 | 202 | 53.4 |
| D | 10 | 199 | 158522 | 2967.4 | 209 | 202 | 53.4 |
| D | 8 | 195 | 72632 | 1357.56 | 209 | 202 | 53.4 |
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 |  |