Observation information
- date-obs: 2018-02-21
- time-obs: 04:34:31.728500000
- date-end: 2018-02-22
- time-end: 17:18:17.657500000
- obs_id: G08_055T01_9000001912
- exposure: 76927.8660837
- sourceid: MAXI J1409-619
- observer: jsyadav
- ra_pnt: 212.0107
- dec_pnt: -61.98342
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G08_055T01_9000001912cztM0_level2_bc.evt
| modeM0/AS1G08_055T01_9000001912cztM0_level2_quad_clean.evt
|
Size (bytes) | 4,719,242,880 | 1,568,520,000 |
Size | 4.4 GB
| 1.5 GB
|
Events in quadrant A | 26,975,240 | 10,190,771 |
Events in quadrant B | 46,603,646 | 9,542,134 |
Events in quadrant C | 23,323,631 | 10,261,179 |
Events in quadrant D | 38,238,488 | 9,683,113 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 179 | 0 |
B | 0 | 179 | 0 |
C | 0 | 179 | 0 |
D | 0 | 179 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 244984 | 0 |
B | 0 | 341474 | 0 |
C | 0 | 235255 | 0 |
D | 0 | 282959 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 2328 | 0 |
B | 0 | 2328 | 0 |
C | 0 | 2328 | 0 |
D | 0 | 2328 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 114246 | 1563 | 1.368100% |
B | 114246 | 15269 | 13.365019% |
C | 114246 | 1029 | 0.900688% |
D | 114246 | 3536 | 3.095076% |
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 | 132228 | 114253 | 10 | 10 | 0.01% | 0.01% |  |
B | 132228 | 113486 | 833 | 833 | 0.63% | 0.73% |  |
C | 132228 | 114249 | 8 | 8 | 0.01% | 0.01% |  |
D | 132228 | 114246 | 799 | 799 | 0.60% | 0.70% |  |
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 | 189 | 2413358 | 1892.08 | 5899 | 5784 | 1272.4 |
A | 8 | 15 | 640303 | 498.66 | 5899 | 5784 | 1272.4 |
A | 1 | 162 | 413360 | 320.31 | 5899 | 5784 | 1272.4 |
B | 0 | 85 | 8902760 | 8595.15 | 5533 | 5390 | 1035.2 |
B | 4 | 239 | 8690713 | 8390.3 | 5533 | 5390 | 1035.2 |
B | 3 | 64 | 3723363 | 3591.68 | 5533 | 5390 | 1035.2 |
C | 0 | 207 | 118475 | 86.73 | 5887 | 5827 | 1298.8 |
C | 14 | 234 | 104235 | 75.77 | 5887 | 5827 | 1298.8 |
C | 12 | 4 | 48120 | 32.56 | 5887 | 5827 | 1298.8 |
D | 1 | 52 | 13541879 | 10093.13 | 5825 | 5625 | 1341.1 |
D | 8 | 195 | 950213 | 704.32 | 5825 | 5625 | 1341.1 |
D | 10 | 157 | 711536 | 526.35 | 5825 | 5625 | 1341.1 |
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 |  |