Observation information
- date-obs: 2018-11-20
- time-obs: 02:44:20.584800000
- date-end: 2018-11-20
- time-end: 08:42:46.530100000
- obs_id: A05_225T02_9000002526
- exposure: 10935.7971991
- sourceid: NGC 1961
- observer: joydeep
- ra_pnt: 85.12708
- dec_pnt: 69.37844
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_225T02_9000002526cztM0_level2.fits
| modeM0/AS1A05_225T02_9000002526cztM0_level2_quad_clean.evt
|
| Size (bytes) | 176,814,720 | 190,080,000 |
| Size | 168.6 MB
| 181.3 MB
|
| Events in quadrant A | 1,106,976 | 1,196,196 |
| Events in quadrant B | 1,049,882 | 1,197,992 |
| Events in quadrant C | 1,062,274 | 1,121,484 |
| Events in quadrant D | 911,848 | 1,016,231 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 38 | 0 |
| B | 0 | 38 | 0 |
| C | 0 | 38 | 0 |
| D | 0 | 38 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 360 | 0 |
| B | 0 | 360 | 0 |
| C | 0 | 360 | 0 |
| D | 0 | 360 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 36813 | 0 |
| B | 0 | 38854 | 0 |
| C | 0 | 41448 | 0 |
| D | 0 | 47292 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 17762 | 117 | 0.658710% |
| B | 17762 | 228 | 1.283639% |
| C | 17762 | 240 | 1.351199% |
| D | 17761 | 754 | 4.245256% |
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 | 21507 | 17761 | 0 | 0 | 0.00% | 0.00% |  |
| B | 21507 | 17761 | 0 | 0 | 0.00% | 0.00% |  |
| C | 21507 | 17762 | 0 | 0 | 0.00% | 0.00% |  |
| D | 21507 | 17754 | 0 | 0 | 0.00% | 0.00% |  |
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 | 0 | 29 | 1090 | 11.3 | 288 | 274 | 72.2 |
| A | 7 | 110 | 928 | 9.06 | 288 | 274 | 72.2 |
| A | 9 | 19 | 838 | 7.81 | 288 | 274 | 72.2 |
| B | 2 | 9 | 860 | 10.65 | 278 | 268 | 55.6 |
| B | 2 | 8 | 711 | 7.97 | 278 | 268 | 55.6 |
| B | 5 | 128 | 691 | 7.61 | 278 | 268 | 55.6 |
| C | 12 | 241 | 761 | 6.69 | 281 | 265 | 74.2 |
| C | 2 | 191 | 727 | 6.23 | 281 | 265 | 74.2 |
| C | 3 | 126 | 708 | 5.97 | 281 | 265 | 74.2 |
| D | 10 | 189 | 668 | 6.0 | 261 | 239 | 71.5 |
| D | 3 | 14 | 650 | 5.75 | 261 | 239 | 71.5 |
| D | 6 | 231 | 648 | 5.72 | 261 | 239 | 71.5 |
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 |  |