Observation information
- date-obs: 2015-11-15
- time-obs: 17-37-31.000007714
- date-end: 2015-11-15
- time-end: 19-32-10.000007643
- obs_id: P01_147T01_9000000106
- exposure: 3644.11720081
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5635
- dec_pnt: 35.20176
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_147T01_9000000106_00721cztM0_level2.evt
| modeM0/AS1P01_147T01_9000000106_00721cztM0_level2_quad_clean.evt
|
| Size (bytes) | 900,434,880 | 66,435,840 |
| Size | 858.7 MB
| 63.4 MB
|
| Events in quadrant A | 6,578,654 | 408,900 |
| Events in quadrant B | 6,950,940 | 414,584 |
| Events in quadrant C | 6,523,819 | 402,436 |
| Events in quadrant D | 6,834,598 | 384,035 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 118 | 0 |
| B | 0 | 118 | 0 |
| C | 0 | 118 | 0 |
| D | 0 | 118 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 23653 | 1 |
| B | 0 | 24740 | 1 |
| C | 0 | 23437 | 1 |
| D | 0 | 24403 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5739 | 11 | 0.191671% |
| B | 5739 | 15 | 0.261370% |
| C | 5739 | 10 | 0.174246% |
| D | 5740 | 81 | 1.411150% |
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 | 6879 | 5740 | 134 | 134 | 1.95% | 2.33% |  |
| B | 6879 | 5740 | 172 | 172 | 2.50% | 3.00% |  |
| C | 6879 | 5740 | 103 | 103 | 1.50% | 1.79% |  |
| D | 6880 | 5741 | 288 | 288 | 4.19% | 5.02% |  |
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 | 171 | 37589 | 88.46 | 1694 | 1704 | 405.6 |
| A | 10 | 230 | 27307 | 63.12 | 1694 | 1704 | 405.6 |
| A | 12 | 236 | 10257 | 21.09 | 1694 | 1704 | 405.6 |
| B | 7 | 221 | 76617 | 178.69 | 1785 | 1794 | 418.7 |
| B | 0 | 220 | 34145 | 77.26 | 1785 | 1794 | 418.7 |
| B | 5 | 191 | 19429 | 42.11 | 1785 | 1794 | 418.7 |
| C | 15 | 241 | 75065 | 160.78 | 1637 | 1697 | 456.3 |
| C | 3 | 111 | 28809 | 59.41 | 1637 | 1697 | 456.3 |
| C | 3 | 79 | 15383 | 29.99 | 1637 | 1697 | 456.3 |
| D | 6 | 226 | 580534 | 1203.35 | 1561 | 1614 | 481.1 |
| D | 1 | 4 | 147149 | 302.51 | 1561 | 1614 | 481.1 |
| D | 7 | 207 | 80149 | 163.24 | 1561 | 1614 | 481.1 |
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 |  |