Observation information
- date-obs: 2025-03-22
- time-obs: 21:17:20.871100000
- date-end: 2025-03-23
- time-end: 02:54:59.809900000
- obs_id: C07_001T01_9000006454
- exposure: 13446.7724184
- sourceid: Blank Sky-8
- observer: tilak
- ra_pnt: 237.3919
- dec_pnt: 70.34809
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C07_001T01_9000006454_51295cztM0_level2.fits
| modeM0/AS1C07_001T01_9000006454_51295cztM0_level2_quad_clean.evt
|
| Size (bytes) | 2,058,192,000 | 226,264,320 |
| Size | 1.9 GB
| 215.8 MB
|
| Events in quadrant A | 15,617,474 | 1,541,896 |
| Events in quadrant B | 13,098,555 | 1,740,234 |
| Events in quadrant C | 19,446,291 | 1,237,103 |
| Events in quadrant D | 26,705,869 | 1,146,744 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 58495 | 3 |
| B | 0 | 50775 | 3 |
| C | 0 | 70082 | 3 |
| D | 0 | 91257 | 3 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 348 | 0 |
| B | 0 | 348 | 0 |
| C | 0 | 348 | 0 |
| D | 0 | 348 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31 | 0 |
| B | 0 | 31 | 0 |
| C | 0 | 31 | 0 |
| D | 0 | 31 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 17179 | 888 | 5.169102% |
| B | 17179 | 662 | 3.853542% |
| C | 17179 | 4111 | 23.930380% |
| D | 17180 | 4386 | 25.529686% |
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 | 20259 | 17182 | 487 | 487 | 2.40% | 2.83% |  |
| B | 20259 | 17182 | 347 | 347 | 1.71% | 2.02% |  |
| C | 20259 | 17182 | 3546 | 3546 | 17.50% | 20.64% |  |
| D | 20260 | 17183 | 5555 | 5555 | 27.42% | 32.33% |  |
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 | 12 | 3 | 4497401 | 10369.6 | 1753 | 1712 | 433.5 |
| A | 9 | 160 | 826322 | 1902.02 | 1753 | 1712 | 433.5 |
| A | 12 | 250 | 733244 | 1687.33 | 1753 | 1712 | 433.5 |
| B | 10 | 254 | 3249516 | 8745.75 | 1772 | 1711 | 371.4 |
| B | 5 | 172 | 675106 | 1813.33 | 1772 | 1711 | 371.4 |
| B | 7 | 252 | 355962 | 953.93 | 1772 | 1711 | 371.4 |
| C | 4 | 12 | 11505587 | 27070.53 | 1533 | 1521 | 425.0 |
| C | 13 | 3 | 279541 | 654.22 | 1533 | 1521 | 425.0 |
| C | 3 | 233 | 219052 | 511.88 | 1533 | 1521 | 425.0 |
| D | 8 | 176 | 14981247 | 33603.17 | 1589 | 1532 | 445.8 |
| D | 3 | 12 | 1760159 | 3945.03 | 1589 | 1532 | 445.8 |
| D | 12 | 2 | 897596 | 2010.09 | 1589 | 1532 | 445.8 |
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 |  |