Observation information
- date-obs: 2015-11-15
- time-obs: 04-24-49.000007926
- date-end: 2015-11-16
- time-end: 03-20-20.000007260
- obs_id: P01_147T01_9000000106
- exposure: 33687.5412396
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5635
- dec_pnt: 35.20176
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1P01_147T01_9000000106cztM0_level2.evt
| modeM0/AS1P01_147T01_9000000106cztM0_level2_quad_clean.evt
|
Size (bytes) | 9,576,852,480 | 649,296,000 |
Size | 8.9 GB
| 619.2 MB
|
Events in quadrant A | 67,535,161 | 4,023,763 |
Events in quadrant B | 71,939,438 | 4,081,445 |
Events in quadrant C | 71,088,434 | 3,951,945 |
Events in quadrant D | 75,790,632 | 3,761,812 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 69 | 0 |
B | 0 | 69 | 0 |
C | 0 | 69 | 0 |
D | 0 | 69 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 240503 | 0 |
B | 0 | 253521 | 0 |
C | 0 | 250868 | 0 |
D | 0 | 265074 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1138 | 0 |
B | 0 | 1138 | 0 |
C | 0 | 1136 | 0 |
D | 0 | 1136 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 56126 | 382 | 0.680611% |
B | 56102 | 398 | 0.709422% |
C | 56038 | 232 | 0.414005% |
D | 56104 | 1875 | 3.342008% |
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 | 82532 | 56195 | 2504 | 2504 | 3.03% | 4.46% |  |
B | 82532 | 56179 | 3024 | 3024 | 3.66% | 5.38% |  |
C | 82532 | 56119 | 2606 | 2606 | 3.16% | 4.64% |  |
D | 82532 | 56178 | 6353 | 6353 | 7.70% | 11.31% |  |
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 | 171 | 857849 | 202.28 | 17257 | 17381 | 4155.0 |
A | 10 | 230 | 165558 | 35.66 | 17257 | 17381 | 4155.0 |
A | 15 | 17 | 144008 | 30.48 | 17257 | 17381 | 4155.0 |
B | 5 | 247 | 1495056 | 349.41 | 17999 | 18088 | 4227.1 |
B | 7 | 221 | 793213 | 183.37 | 17999 | 18088 | 4227.1 |
B | 0 | 207 | 394878 | 89.14 | 17999 | 18088 | 4227.1 |
C | 3 | 95 | 1695315 | 371.46 | 16258 | 16843 | 4518.6 |
C | 3 | 31 | 1415098 | 309.44 | 16258 | 16843 | 4518.6 |
C | 3 | 15 | 1223210 | 266.98 | 16258 | 16843 | 4518.6 |
D | 0 | 25 | 6041652 | 1243.29 | 15606 | 16219 | 4846.3 |
D | 6 | 226 | 4753932 | 977.59 | 15606 | 16219 | 4846.3 |
D | 9 | 52 | 3434897 | 705.41 | 15606 | 16219 | 4846.3 |
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 |  |