Observation information
- date-obs: 2016-05-19
- time-obs: 10:25:48.386900000
- date-end: 2016-05-21
- time-end: 04:31:46.315000000
- obs_id: G05_245T01_9000000460
- exposure: 80649.9260076
- sourceid: Cygnus X-1
- observer: anuj
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G05_245T01_9000000460cztM0_level2.evt
| modeM0/AS1G05_245T01_9000000460cztM0_level2_quad_clean.evt
|
Size (bytes) | 9,235,428,480 | 1,546,148,160 |
Size | 8.6 GB
| 1.4 GB
|
Events in quadrant A | 69,152,010 | 9,507,284 |
Events in quadrant B | 69,301,064 | 9,687,798 |
Events in quadrant C | 74,704,850 | 9,513,069 |
Events in quadrant D | 58,007,505 | 9,451,630 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 294260 | 0 |
B | 0 | 289786 | 0 |
C | 0 | 311012 | 0 |
D | 0 | 268842 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 189 | 0 |
B | 0 | 189 | 0 |
C | 0 | 189 | 0 |
D | 0 | 189 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 2572 | 0 |
B | 0 | 2572 | 0 |
C | 0 | 2572 | 0 |
D | 0 | 2572 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 126508 | 3936 | 3.111266% |
B | 126508 | 2565 | 2.027540% |
C | 126508 | 5893 | 4.658203% |
D | 126508 | 1880 | 1.486072% |
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 | 151558 | 126525 | 1402 | 1402 | 0.93% | 1.11% |  |
B | 151558 | 126524 | 511 | 511 | 0.34% | 0.40% |  |
C | 151559 | 126525 | 4025 | 4025 | 2.66% | 3.18% |  |
D | 151559 | 126525 | 689 | 689 | 0.45% | 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 | 0 | 50 | 6918495 | 2330.3 | 14533 | 14240 | 2962.8 |
A | 0 | 118 | 3930223 | 1321.71 | 14533 | 14240 | 2962.8 |
A | 14 | 111 | 583103 | 192.0 | 14533 | 14240 | 2962.8 |
B | 15 | 204 | 6563757 | 2298.6 | 14798 | 14447 | 2849.3 |
B | 4 | 81 | 1378060 | 478.58 | 14798 | 14447 | 2849.3 |
B | 2 | 249 | 893831 | 308.64 | 14798 | 14447 | 2849.3 |
C | 7 | 220 | 17227552 | 5297.87 | 14059 | 14151 | 3249.1 |
C | 1 | 192 | 1389235 | 423.22 | 14059 | 14151 | 3249.1 |
C | 1 | 16 | 446083 | 132.94 | 14059 | 14151 | 3249.1 |
D | 13 | 46 | 1533638 | 447.85 | 14202 | 13822 | 3393.6 |
D | 13 | 239 | 631394 | 181.98 | 14202 | 13822 | 3393.6 |
D | 13 | 223 | 612127 | 176.31 | 14202 | 13822 | 3393.6 |
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 |  |