Observation information
- date-obs: 2018-09-20
- time-obs: 19:48:36.328600000
- date-end: 2018-09-21
- time-end: 19:34:37.007300000
- obs_id: T02_094T01_9000002380
- exposure: 48068.8462079
- sourceid: Hercules X-1
- observer: dleahy
- ra_pnt: 254.4576
- dec_pnt: 35.34236
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1T02_094T01_9000002380cztM0_level2_bc.evt
| modeM0/AS1T02_094T01_9000002380cztM0_level2_quad_clean.evt
|
Size (bytes) | 3,036,453,120 | 1,005,007,680 |
Size | 2.8 GB
| 958.5 MB
|
Events in quadrant A | 18,996,800 | 6,590,813 |
Events in quadrant B | 20,580,767 | 6,562,019 |
Events in quadrant C | 15,870,260 | 6,264,758 |
Events in quadrant D | 31,512,675 | 5,988,442 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 165829 | 0 |
B | 0 | 170767 | 0 |
C | 0 | 155721 | 0 |
D | 0 | 208559 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 120 | 0 |
B | 0 | 120 | 0 |
C | 0 | 120 | 0 |
D | 0 | 120 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1498 | 0 |
B | 0 | 1498 | 0 |
C | 0 | 1498 | 0 |
D | 0 | 1498 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 73422 | 1183 | 1.611234% |
B | 73422 | 1274 | 1.735175% |
C | 73422 | 1165 | 1.586718% |
D | 73422 | 4574 | 6.229740% |
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 | 85562 | 73410 | 17 | 17 | 0.02% | 0.02% |  |
B | 85563 | 73411 | 8 | 8 | 0.01% | 0.01% |  |
C | 85563 | 73411 | 30 | 30 | 0.04% | 0.04% |  |
D | 85562 | 73410 | 669 | 669 | 0.78% | 0.91% |  |
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 | 253 | 1825829 | 2157.38 | 3909 | 3850 | 844.5 |
A | 15 | 174 | 1701994 | 2010.75 | 3909 | 3850 | 844.5 |
A | 8 | 247 | 187915 | 217.95 | 3909 | 3850 | 844.5 |
B | 5 | 65 | 2067898 | 2799.79 | 3908 | 3821 | 737.2 |
B | 0 | 189 | 942678 | 1273.5 | 3908 | 3821 | 737.2 |
B | 7 | 220 | 610374 | 822.75 | 3908 | 3821 | 737.2 |
C | 9 | 236 | 605445 | 691.49 | 3718 | 3710 | 870.2 |
C | 3 | 233 | 377653 | 429.72 | 3718 | 3710 | 870.2 |
C | 3 | 9 | 352264 | 400.54 | 3718 | 3710 | 870.2 |
D | 1 | 52 | 10529826 | 12016.93 | 3760 | 3633 | 875.9 |
D | 5 | 222 | 3595638 | 4100.71 | 3760 | 3633 | 875.9 |
D | 7 | 38 | 1713373 | 1951.88 | 3760 | 3633 | 875.9 |
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 |  |