Observation information
- date-obs: 2018-01-11
- time-obs: 17:41:11.120600000
- date-end: 2018-01-11
- time-end: 21:26:22.013900000
- obs_id: A04_104T02_9000001838
- exposure: 11633.1432555
- sourceid: NGC 3516
- observer: KISHOR_NBU_APDC
- ra_pnt: 166.6979
- dec_pnt: 72.56853
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_104T02_9000001838_12384cztM0_level2.evt
| modeM0/AS1A04_104T02_9000001838_12384cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,001,341,440 | 210,294,720 |
| Size | 955.0 MB
| 200.6 MB
|
| Events in quadrant A | 7,381,127 | 1,413,809 |
| Events in quadrant B | 9,714,031 | 1,363,722 |
| Events in quadrant C | 5,315,833 | 1,424,454 |
| Events in quadrant D | 7,114,199 | 1,347,741 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 242 | 0 |
| B | 0 | 242 | 0 |
| C | 0 | 242 | 0 |
| D | 0 | 242 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 1 | 273359709408 | 0 |
| B | 1 | -1 | -1 |
| C | 1 | -1 | -1 |
| D | 1 | -1 | -1 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 30143 | 3 |
| B | 0 | 36891 | 2 |
| C | 0 | 24347 | 2 |
| D | 0 | 29599 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 11846 | 167 | 1.409759% |
| B | 11846 | 1490 | 12.578085% |
| C | 11846 | 45 | 0.379875% |
| D | 11846 | 421 | 3.553942% |
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 | 13512 | 11847 | 58 | 58 | 0.43% | 0.49% |  |
| B | 13512 | 11847 | 1285 | 1285 | 9.51% | 10.85% |  |
| C | 13512 | 11847 | 14 | 14 | 0.10% | 0.12% |  |
| D | 13512 | 11847 | 336 | 336 | 2.49% | 2.84% |  |
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 | 514690 | 1897.79 | 1342 | 1314 | 270.5 |
| A | 15 | 239 | 493040 | 1817.76 | 1342 | 1314 | 270.5 |
| A | 1 | 162 | 448634 | 1653.6 | 1342 | 1314 | 270.5 |
| B | 2 | 32 | 3159993 | 12899.3 | 1298 | 1265 | 244.9 |
| B | 0 | 85 | 430865 | 1754.36 | 1298 | 1265 | 244.9 |
| B | 4 | 239 | 417550 | 1699.98 | 1298 | 1265 | 244.9 |
| C | 14 | 234 | 92365 | 300.11 | 1317 | 1324 | 303.4 |
| C | 15 | 208 | 88205 | 286.39 | 1317 | 1324 | 303.4 |
| C | 13 | 61 | 9588 | 27.24 | 1317 | 1324 | 303.4 |
| D | 1 | 52 | 1118371 | 3592.58 | 1291 | 1250 | 311.0 |
| D | 10 | 199 | 327043 | 1047.72 | 1291 | 1250 | 311.0 |
| D | 8 | 195 | 176002 | 561.99 | 1291 | 1250 | 311.0 |
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 |  |