Observation information
- date-obs: 2017-02-17
- time-obs: 08:42:40.361900000
- date-end: 2017-02-17
- time-end: 09:34:13.360600000
- obs_id: G06_076T01_9000001038
- exposure: 1634.38263014
- sourceid: NGC4945
- observer: jsyadav
- ra_pnt: 196.3637
- dec_pnt: -49.4679
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G06_076T01_9000001038_07523cztM0_level2.evt
| modeM0/AS1G06_076T01_9000001038_07523cztM0_level2_quad_clean.evt
|
| Size (bytes) | 147,686,400 | 36,734,400 |
| Size | 140.8 MB
| 35.0 MB
|
| Events in quadrant A | 1,072,045 | 247,506 |
| Events in quadrant B | 1,050,744 | 246,640 |
| Events in quadrant C | 1,041,429 | 237,413 |
| Events in quadrant D | 1,168,180 | 233,146 |
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 M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4412 | 2 |
| B | 0 | 4373 | 1 |
| C | 0 | 4373 | 1 |
| D | 0 | 4847 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 42 | 0 |
| B | 0 | 42 | 0 |
| C | 0 | 42 | 0 |
| D | 0 | 42 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 2028 | 59 | 2.909270% |
| B | 2028 | 52 | 2.564103% |
| C | 2028 | 45 | 2.218935% |
| D | 2028 | 65 | 3.205128% |
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 | 3093 | 2028 | 3 | 3 | 0.10% | 0.15% |  |
| B | 3093 | 2028 | 1 | 1 | 0.03% | 0.05% |  |
| C | 3093 | 2028 | 0 | 0 | 0.00% | 0.00% |  |
| D | 3093 | 2028 | 11 | 11 | 0.36% | 0.54% |  |
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 | 13 | 251 | 8331 | 144.26 | 270 | 263 | 55.9 |
| A | 13 | 248 | 7885 | 136.29 | 270 | 263 | 55.9 |
| A | 3 | 1 | 5499 | 93.62 | 270 | 263 | 55.9 |
| B | 12 | 111 | 5229 | 93.95 | 269 | 262 | 52.9 |
| B | 0 | 219 | 5128 | 92.04 | 269 | 262 | 52.9 |
| B | 11 | 111 | 4211 | 74.7 | 269 | 262 | 52.9 |
| C | 8 | 229 | 4104 | 61.53 | 263 | 265 | 62.4 |
| C | 4 | 238 | 4042 | 60.54 | 263 | 265 | 62.4 |
| C | 9 | 68 | 2262 | 32.01 | 263 | 265 | 62.4 |
| D | 12 | 221 | 63573 | 974.29 | 263 | 255 | 65.0 |
| D | 2 | 14 | 52543 | 804.57 | 263 | 255 | 65.0 |
| D | 2 | 136 | 31424 | 479.6 | 263 | 255 | 65.0 |
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 |  |