Observation information
- date-obs: 2018-12-18
- time-obs: 07:48:09.456500000
- date-end: 2018-12-18
- time-end: 09:57:15.454800000
- obs_id: A05_198T01_9000002578
- exposure: 4523.88852878
- sourceid: MCG-2-58-22
- observer: astrosat2susmita
- ra_pnt: 346.1812
- dec_pnt: -8.68573
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_198T01_9000002578_17425cztM0_level2.evt
| modeM0/AS1A05_198T01_9000002578_17425cztM0_level2_quad_clean.evt
|
| Size (bytes) | 499,740,480 | 98,916,480 |
| Size | 476.6 MB
| 94.3 MB
|
| Events in quadrant A | 3,344,824 | 657,304 |
| Events in quadrant B | 3,788,507 | 664,582 |
| Events in quadrant C | 3,337,888 | 625,373 |
| Events in quadrant D | 4,235,921 | 608,589 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14085 | 2 |
| B | 0 | 15389 | 2 |
| C | 0 | 14016 | 2 |
| D | 0 | 16873 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6303 | 97 | 1.538950% |
| B | 6303 | 107 | 1.697604% |
| C | 6303 | 120 | 1.903855% |
| D | 6303 | 200 | 3.173092% |
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 | 7523 | 6303 | 5 | 5 | 0.07% | 0.08% |  |
| B | 7523 | 6303 | 5 | 5 | 0.07% | 0.08% |  |
| C | 7523 | 6303 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7523 | 6303 | 121 | 121 | 1.61% | 1.92% |  |
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 | 210 | 22266 | 125.27 | 857 | 841 | 171.0 |
| A | 15 | 174 | 18194 | 101.46 | 857 | 841 | 171.0 |
| A | 0 | 226 | 7614 | 39.6 | 857 | 841 | 171.0 |
| B | 7 | 220 | 115416 | 722.86 | 847 | 829 | 158.5 |
| B | 0 | 219 | 103682 | 648.84 | 847 | 829 | 158.5 |
| B | 4 | 48 | 84833 | 529.93 | 847 | 829 | 158.5 |
| C | 14 | 238 | 127095 | 685.26 | 798 | 805 | 184.3 |
| C | 5 | 218 | 64240 | 344.2 | 798 | 805 | 184.3 |
| C | 3 | 233 | 17844 | 92.46 | 798 | 805 | 184.3 |
| D | 13 | 232 | 565979 | 2854.76 | 817 | 795 | 198.0 |
| D | 11 | 176 | 195608 | 984.01 | 817 | 795 | 198.0 |
| D | 2 | 33 | 120802 | 606.16 | 817 | 795 | 198.0 |
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 |  |