Observation information
- date-obs: 2016-12-16
- time-obs: 13:48:37.701700000
- date-end: 2016-12-17
- time-end: 01:20:57.695100000
- obs_id: G06_028T01_9000000890
- exposure: 19271.1001218
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G06_028T01_9000000890cztM0_level2.evt
| modeM0/AS1G06_028T01_9000000890cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,531,491,200 | 446,604,480 |
Size | 2.4 GB
| 425.9 MB
|
Events in quadrant A | 16,168,599 | 2,848,247 |
Events in quadrant B | 17,719,857 | 2,878,175 |
Events in quadrant C | 17,265,031 | 2,822,104 |
Events in quadrant D | 23,218,854 | 2,641,643 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 692 | 0 |
B | 0 | 692 | 0 |
C | 0 | 692 | 0 |
D | 0 | 692 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 69952 | 0 |
B | 0 | 74291 | 0 |
C | 0 | 73980 | 0 |
D | 0 | 92241 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 76 | 0 |
B | 0 | 76 | 0 |
C | 0 | 76 | 0 |
D | 0 | 76 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 34026 | 165 | 0.484923% |
B | 34026 | 508 | 1.492976% |
C | 34026 | 428 | 1.257862% |
D | 34026 | 1071 | 3.147593% |
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 | 41541 | 34033 | 0 | 0 | 0.00% | 0.00% |  |
B | 41541 | 34033 | 242 | 242 | 0.58% | 0.71% |  |
C | 41541 | 34033 | 230 | 230 | 0.55% | 0.68% |  |
D | 41541 | 34033 | 733 | 733 | 1.76% | 2.15% |  |
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 | 8 | 15 | 108324 | 124.63 | 4159 | 4079 | 836.5 |
A | 0 | 226 | 39075 | 41.84 | 4159 | 4079 | 836.5 |
A | 12 | 194 | 38785 | 41.49 | 4159 | 4079 | 836.5 |
B | 3 | 220 | 991669 | 1262.22 | 4174 | 4088 | 782.4 |
B | 4 | 81 | 254700 | 320.31 | 4174 | 4088 | 782.4 |
B | 0 | 219 | 174485 | 217.78 | 4174 | 4088 | 782.4 |
C | 9 | 247 | 1007429 | 1078.85 | 4044 | 4082 | 930.0 |
C | 9 | 16 | 411627 | 438.21 | 4044 | 4082 | 930.0 |
C | 9 | 54 | 54325 | 54.02 | 4044 | 4082 | 930.0 |
D | 8 | 195 | 4598265 | 4715.05 | 4004 | 3893 | 974.4 |
D | 2 | 33 | 1192749 | 1220.08 | 4004 | 3893 | 974.4 |
D | 13 | 105 | 935618 | 956.2 | 4004 | 3893 | 974.4 |
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 |  |