Observation information
- date-obs: 2015-12-31
- time-obs: 14:25:57.844500000
- date-end: 2015-12-31
- time-end: 16:26:44.083700000
- obs_id: G04_014T02_9000000232
- exposure: 6135.5370292
- sourceid: Abell 2256
- observer: annapurni
- ra_pnt: 255.9875
- dec_pnt: 78.7175
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G04_014T02_9000000232_01399cztM0_level2.evt
| modeM0/AS1G04_014T02_9000000232_01399cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,186,473,600 | 95,414,400 |
| Size | 1.1 GB
| 91.0 MB
|
| Events in quadrant A | 13,145,566 | 565,669 |
| Events in quadrant B | 7,914,959 | 641,643 |
| Events in quadrant C | 7,405,184 | 622,837 |
| Events in quadrant D | 7,052,187 | 620,713 |
Level1 data integrity
| 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 | 43635 | 2 |
| B | 0 | 27979 | 1 |
| C | 0 | 26434 | 1 |
| D | 0 | 25392 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6282 | 1466 | 23.336517% |
| B | 6282 | 60 | 0.955110% |
| C | 6282 | 10 | 0.159185% |
| D | 6282 | 11 | 0.175103% |
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 | 7247 | 6282 | 3016 | 3016 | 41.62% | 48.01% |  |
| B | 7247 | 6283 | 299 | 299 | 4.13% | 4.76% |  |
| C | 7247 | 6282 | 114 | 114 | 1.57% | 1.81% |  |
| D | 7247 | 6283 | 142 | 142 | 1.96% | 2.26% |  |
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 | 127 | 5877263 | 13961.17 | 1753 | 1763 | 420.8 |
| A | 4 | 32 | 364761 | 862.54 | 1753 | 1763 | 420.8 |
| A | 15 | 233 | 156170 | 366.9 | 1753 | 1763 | 420.8 |
| B | 8 | 4 | 171565 | 367.15 | 1972 | 1981 | 461.9 |
| B | 6 | 53 | 108251 | 230.08 | 1972 | 1981 | 461.9 |
| B | 5 | 191 | 60506 | 126.71 | 1972 | 1981 | 461.9 |
| C | 15 | 241 | 227392 | 444.43 | 1822 | 1888 | 507.4 |
| C | 3 | 79 | 31672 | 58.7 | 1822 | 1888 | 507.4 |
| C | 3 | 111 | 27682 | 50.84 | 1822 | 1888 | 507.4 |
| D | 2 | 16 | 253718 | 461.24 | 1777 | 1840 | 546.1 |
| D | 2 | 88 | 45203 | 79.41 | 1777 | 1840 | 546.1 |
| D | 9 | 53 | 42298 | 74.09 | 1777 | 1840 | 546.1 |
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 |  |