Observation information
- date-obs: 2018-09-18
- time-obs: 11:15:32.661700000
- date-end: 2018-09-18
- time-end: 13:17:32.062100000
- obs_id: A04_230T01_9000002374
- exposure: 4559.50375062
- sourceid: Her X-1
- observer: sumanbala
- ra_pnt: 254.4575
- dec_pnt: 35.34233
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_230T01_9000002374_16080cztM0_level2.evt
| modeM0/AS1A04_230T01_9000002374_16080cztM0_level2_quad_clean.evt
|
| Size (bytes) | 478,569,600 | 102,720,960 |
| Size | 456.4 MB
| 98.0 MB
|
| Events in quadrant A | 3,232,618 | 707,730 |
| Events in quadrant B | 3,482,199 | 701,814 |
| Events in quadrant C | 3,229,383 | 653,547 |
| Events in quadrant D | 4,138,671 | 625,414 |
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 SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 122 | 0 |
| B | 0 | 122 | 0 |
| C | 0 | 122 | 0 |
| D | 0 | 122 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13375 | 2 |
| B | 0 | 14150 | 1 |
| C | 0 | 13263 | 1 |
| D | 0 | 16071 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6050 | 128 | 2.115702% |
| B | 6050 | 108 | 1.785124% |
| C | 6050 | 101 | 1.669421% |
| D | 6050 | 435 | 7.190083% |
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 | 7321 | 6051 | 29 | 29 | 0.40% | 0.48% |  |
| B | 7321 | 6051 | 22 | 22 | 0.30% | 0.36% |  |
| C | 7321 | 6051 | 4 | 4 | 0.05% | 0.07% |  |
| D | 7321 | 6051 | 291 | 291 | 3.97% | 4.81% |  |
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 | 96 | 115208 | 717.38 | 791 | 776 | 159.5 |
| A | 15 | 174 | 27474 | 167.37 | 791 | 776 | 159.5 |
| A | 15 | 239 | 27295 | 166.25 | 791 | 776 | 159.5 |
| B | 7 | 220 | 166476 | 1142.22 | 781 | 763 | 145.1 |
| B | 0 | 190 | 90039 | 615.36 | 781 | 763 | 145.1 |
| B | 0 | 189 | 43487 | 294.49 | 781 | 763 | 145.1 |
| C | 0 | 207 | 169477 | 986.12 | 742 | 749 | 171.1 |
| C | 14 | 238 | 113563 | 659.34 | 742 | 749 | 171.1 |
| C | 7 | 247 | 23328 | 131.96 | 742 | 749 | 171.1 |
| D | 12 | 218 | 756564 | 4172.41 | 746 | 724 | 181.2 |
| D | 1 | 52 | 336830 | 1855.38 | 746 | 724 | 181.2 |
| D | 5 | 222 | 114389 | 627.46 | 746 | 724 | 181.2 |
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 |  |