Observation information
- date-obs: 2017-08-26
- time-obs: 05:59:55.297600000
- date-end: 2017-08-26
- time-end: 08:12:03.295200000
- obs_id: A03_112T01_9000001488
- exposure: 4265.88915672
- sourceid: NGC 1261
- observer: pandey
- ra_pnt: 48.06754
- dec_pnt: -55.21622
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A03_112T01_9000001488_10334cztM0_level2.evt
| modeM0/AS1A03_112T01_9000001488_10334cztM0_level2_quad_clean.evt
|
| Size (bytes) | 483,474,240 | 98,769,600 |
| Size | 461.1 MB
| 94.2 MB
|
| Events in quadrant A | 3,572,069 | 644,937 |
| Events in quadrant B | 3,405,509 | 654,747 |
| Events in quadrant C | 3,135,721 | 650,943 |
| Events in quadrant D | 4,107,503 | 607,295 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 18 | 0 |
| 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 | 14444 | 45 |
| B | 0 | 13912 | 40 |
| C | 0 | 13200 | 59 |
| D | 0 | 16029 | 37 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6207 | 90 | 1.449976% |
| B | 6209 | 133 | 2.142052% |
| C | 6199 | 77 | 1.242136% |
| D | 6211 | 249 | 4.009016% |
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 | 7515 | 6224 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7515 | 6225 | 19 | 19 | 0.25% | 0.31% |  |
| C | 7515 | 6224 | 8 | 8 | 0.11% | 0.13% |  |
| D | 7515 | 6225 | 146 | 146 | 1.94% | 2.35% |  |
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 | 8 | 15 | 442155 | 2758.89 | 802 | 785 | 160.0 |
| A | 13 | 251 | 33122 | 202.13 | 802 | 785 | 160.0 |
| A | 3 | 1 | 10585 | 61.26 | 802 | 785 | 160.0 |
| B | 4 | 239 | 176441 | 1194.21 | 791 | 775 | 147.1 |
| B | 11 | 51 | 72612 | 488.36 | 791 | 775 | 147.1 |
| B | 0 | 214 | 32689 | 216.96 | 791 | 775 | 147.1 |
| C | 4 | 254 | 33173 | 179.76 | 790 | 796 | 180.1 |
| C | 14 | 234 | 20531 | 109.57 | 790 | 796 | 180.1 |
| C | 13 | 61 | 5917 | 28.43 | 790 | 796 | 180.1 |
| D | 1 | 52 | 307693 | 1693.2 | 773 | 754 | 181.3 |
| D | 14 | 34 | 197737 | 1086.64 | 773 | 754 | 181.3 |
| D | 1 | 20 | 176958 | 972.01 | 773 | 754 | 181.3 |
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 |  |