Observation information
- date-obs: 2016-01-23
- time-obs: 10:03:28.165500000
- date-end: 2016-01-24
- time-end: 03:04:38.206000000
- obs_id: G02_044T01_9000000288
- exposure: 41855.3080121
- sourceid: VelaX1
- observer: vivek
- ra_pnt: 349.5167
- dec_pnt: 71.4767
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G02_044T01_9000000288cztM0_level2.evt
| modeM0/AS1G02_044T01_9000000288cztM0_level2_quad_clean.evt
|
Size (bytes) | 9,390,919,680 | 757,134,720 |
Size | 8.7 GB
| 722.1 MB
|
Events in quadrant A | 69,983,032 | 4,834,546 |
Events in quadrant B | 70,409,156 | 4,910,461 |
Events in quadrant C | 64,685,391 | 4,789,353 |
Events in quadrant D | 75,741,604 | 4,651,193 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 246538 | 0 |
B | 0 | 247834 | 0 |
C | 0 | 231152 | 0 |
D | 0 | 263796 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1094 | 0 |
B | 0 | 1094 | 0 |
C | 0 | 1094 | 0 |
D | 0 | 1094 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 9 | 0 |
B | 1 | 9 | 0 |
C | 1 | 9 | 0 |
D | 1 | 1 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 54640 | 328 | 0.600293% |
B | 54638 | 221 | 0.404480% |
C | 54632 | 794 | 1.453361% |
D | 54634 | 1197 | 2.190943% |
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 | 61271 | 54649 | 3037 | 3037 | 4.96% | 5.56% |  |
B | 61271 | 54649 | 3005 | 3005 | 4.90% | 5.50% |  |
C | 61271 | 54647 | 2440 | 2440 | 3.98% | 4.47% |  |
D | 61271 | 54647 | 7332 | 7332 | 11.97% | 13.42% |  |
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 | 231 | 4951519 | 1216.33 | 16917 | 17006 | 4056.9 |
A | 15 | 236 | 286339 | 66.39 | 16917 | 17006 | 4056.9 |
A | 12 | 251 | 58480 | 10.22 | 16917 | 17006 | 4056.9 |
B | 8 | 3 | 2920147 | 703.03 | 17638 | 17699 | 4128.5 |
B | 0 | 234 | 476023 | 111.01 | 17638 | 17699 | 4128.5 |
B | 15 | 85 | 95255 | 18.79 | 17638 | 17699 | 4128.5 |
C | 8 | 208 | 1645829 | 363.66 | 16024 | 16571 | 4480.2 |
C | 1 | 192 | 328129 | 69.54 | 16024 | 16571 | 4480.2 |
C | 8 | 229 | 140592 | 27.68 | 16024 | 16571 | 4480.2 |
D | 7 | 85 | 12753509 | 2651.66 | 15563 | 16148 | 4803.5 |
D | 1 | 83 | 1119132 | 229.62 | 15563 | 16148 | 4803.5 |
D | 7 | 204 | 1108952 | 227.5 | 15563 | 16148 | 4803.5 |
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 |  |