Observation information
- date-obs: 2016-01-18
- time-obs: 02:24:22.246800000
- date-end: 2016-01-18
- time-end: 22:11:17.231400000
- obs_id: G02_051T01_9000000278
- exposure: 37187.911176
- sourceid: Crab
- observer: vivek
- ra_pnt: 179.9869
- dec_pnt: -36.0841
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G02_051T01_9000000278cztM0_level2.evt
| modeM0/AS1G02_051T01_9000000278cztM0_level2_quad_clean.evt
|
Size (bytes) | 9,881,910,720 | 714,876,480 |
Size | 9.2 GB
| 681.8 MB
|
Events in quadrant A | 74,425,951 | 4,383,626 |
Events in quadrant B | 79,019,314 | 4,441,983 |
Events in quadrant C | 71,995,129 | 4,373,664 |
Events in quadrant D | 69,784,126 | 4,232,702 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 98 | 0 |
B | 0 | 98 | 0 |
C | 0 | 98 | 0 |
D | 0 | 98 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 264876 | 0 |
B | 0 | 278411 | 0 |
C | 0 | 257560 | 0 |
D | 0 | 251318 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1250 | 0 |
B | 0 | 1250 | 0 |
C | 0 | 1250 | 0 |
D | 0 | 1250 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 61546 | 505 | 0.820524% |
B | 61546 | 614 | 0.997628% |
C | 61545 | 360 | 0.584938% |
D | 61544 | 909 | 1.476992% |
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 | 71211 | 61551 | 2475 | 2475 | 3.48% | 4.02% |  |
B | 71211 | 61552 | 3302 | 3302 | 4.64% | 5.36% |  |
C | 71211 | 61552 | 1974 | 1974 | 2.77% | 3.21% |  |
D | 71209 | 61549 | 2501 | 2501 | 3.51% | 4.06% |  |
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 | 14 | 96516 | 16.51 | 19406 | 19530 | 4662.9 |
A | 8 | 255 | 71491 | 11.14 | 19406 | 19530 | 4662.9 |
A | 8 | 15 | 55939 | 7.81 | 19406 | 19530 | 4662.9 |
B | 7 | 205 | 1749275 | 367.66 | 20099 | 20208 | 4702.9 |
B | 0 | 234 | 599877 | 123.26 | 20099 | 20208 | 4702.9 |
B | 0 | 220 | 190211 | 36.15 | 20099 | 20208 | 4702.9 |
C | 1 | 192 | 130561 | 21.83 | 18388 | 19065 | 5108.6 |
C | 8 | 208 | 64965 | 8.98 | 18388 | 19065 | 5108.6 |
C | 8 | 229 | 62773 | 8.56 | 18388 | 19065 | 5108.6 |
D | 13 | 105 | 770632 | 145.58 | 18041 | 18477 | 5166.5 |
D | 13 | 53 | 622608 | 116.93 | 18041 | 18477 | 5166.5 |
D | 2 | 54 | 353726 | 64.89 | 18041 | 18477 | 5166.5 |
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 |  |