Observation information
- date-obs: 2023-01-24
- time-obs: 02:46:17.614800000
- date-end: 2023-01-24
- time-end: 05:11:33.613100000
- obs_id: A12_018T01_9000005488
- exposure: 5541.69235897
- sourceid: NEP
- observer: kanak
- ra_pnt: 260.6996
- dec_pnt: 65.82265
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A12_018T01_9000005488_39597cztM0_level2.fits
| modeM0/AS1A12_018T01_9000005488_39597cztM0_level2_quad_clean.evt
|
| Size (bytes) | 469,198,080 | 96,053,760 |
| Size | 447.5 MB
| 91.6 MB
|
| Events in quadrant A | 4,064,736 | 633,105 |
| Events in quadrant B | 3,064,926 | 669,688 |
| Events in quadrant C | 6,412,974 | 600,542 |
| Events in quadrant D | 3,354,870 | 581,375 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15832 | 3 |
| B | 0 | 13457 | 2 |
| C | 0 | 23314 | 2 |
| D | 0 | 14477 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26 | 0 |
| B | 0 | 26 | 0 |
| C | 0 | 26 | 0 |
| D | 0 | 26 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6062 | 306 | 5.047839% |
| B | 6062 | 95 | 1.567140% |
| C | 6062 | 604 | 9.963708% |
| D | 6062 | 177 | 2.919828% |
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 | 8716 | 6064 | 273 | 273 | 3.13% | 4.50% |  |
| B | 8716 | 6064 | 56 | 56 | 0.64% | 0.92% |  |
| C | 8716 | 6064 | 592 | 592 | 6.79% | 9.76% |  |
| D | 8716 | 6064 | 137 | 137 | 1.57% | 2.26% |  |
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 | 9 | 143 | 1092332 | 8394.73 | 636 | 623 | 130.0 |
| A | 10 | 83 | 467351 | 3588.92 | 636 | 623 | 130.0 |
| A | 15 | 222 | 29768 | 224.11 | 636 | 623 | 130.0 |
| B | 5 | 255 | 388210 | 3167.06 | 639 | 620 | 122.4 |
| B | 5 | 172 | 139291 | 1133.1 | 639 | 620 | 122.4 |
| B | 0 | 230 | 18229 | 143.89 | 639 | 620 | 122.4 |
| C | 9 | 187 | 2180077 | 15152.78 | 612 | 614 | 143.8 |
| C | 15 | 208 | 1566870 | 10889.44 | 612 | 614 | 143.8 |
| C | 15 | 214 | 262441 | 1820.36 | 612 | 614 | 143.8 |
| D | 13 | 171 | 501237 | 3294.27 | 621 | 603 | 152.0 |
| D | 13 | 174 | 120751 | 790.6 | 621 | 603 | 152.0 |
| D | 2 | 249 | 109765 | 718.31 | 621 | 603 | 152.0 |
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 |  |