Observation information
- date-obs: 2021-12-10
- time-obs: 08:38:46.107300000
- date-end: 2021-12-10
- time-end: 09:45:32.105800000
- obs_id: A11_037T01_9000004806
- exposure: 2871.22717933
- sourceid: NGC 2808
- observer: deepthisprabhu
- ra_pnt: 138.0129
- dec_pnt: -64.8625
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A11_037T01_9000004806_33530cztM0_level2.evt
| modeM0/AS1A11_037T01_9000004806_33530cztM0_level2_quad_clean.evt
|
| Size (bytes) | 327,375,360 | 53,904,960 |
| Size | 312.2 MB
| 51.4 MB
|
| Events in quadrant A | 1,559,208 | 353,820 |
| Events in quadrant B | 2,478,824 | 352,126 |
| Events in quadrant C | 2,335,568 | 349,116 |
| Events in quadrant D | 3,304,210 | 330,513 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 5 | 0 |
| B | 0 | 5 | 0 |
| C | 0 | 5 | 0 |
| D | 0 | 6 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7051 | 1 |
| B | 0 | 9627 | 1 |
| C | 0 | 9007 | 1 |
| D | 0 | 12225 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 70 | 0 |
| B | 0 | 70 | 0 |
| C | 0 | 70 | 0 |
| D | 0 | 70 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 3476 | 5 | 0.143843% |
| B | 3476 | 152 | 4.372842% |
| C | 3476 | 103 | 2.963176% |
| D | 3476 | 200 | 5.753740% |
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 | 3476 | 3476 | 0 | 0 | 0.00% | 0.00% |  |
| B | 3476 | 3476 | 114 | 114 | 3.28% | 3.28% |  |
| C | 3476 | 3476 | 93 | 93 | 2.68% | 2.68% |  |
| D | 3476 | 3476 | 191 | 191 | 5.49% | 5.49% |  |
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 | 12 | 227 | 28726 | 354.05 | 392 | 383 | 80.1 |
| A | 13 | 254 | 6852 | 80.81 | 392 | 383 | 80.1 |
| A | 13 | 6 | 6633 | 78.07 | 392 | 383 | 80.1 |
| B | 5 | 172 | 396155 | 5279.58 | 385 | 374 | 75.0 |
| B | 5 | 255 | 209211 | 2785.81 | 385 | 374 | 75.0 |
| B | 4 | 170 | 87649 | 1164.22 | 385 | 374 | 75.0 |
| C | 1 | 23 | 310808 | 3510.53 | 376 | 378 | 88.4 |
| C | 15 | 214 | 166799 | 1881.99 | 376 | 378 | 88.4 |
| C | 0 | 10 | 128369 | 1447.4 | 376 | 378 | 88.4 |
| D | 8 | 195 | 987348 | 10565.55 | 374 | 365 | 93.4 |
| D | 12 | 233 | 218588 | 2336.06 | 374 | 365 | 93.4 |
| D | 12 | 235 | 199989 | 2136.96 | 374 | 365 | 93.4 |
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 |  |