Observation information
- date-obs: 2017-08-28
- time-obs: 20:30:46.247100000
- date-end: 2017-08-29
- time-end: 01:40:24.246500000
- obs_id: A03_119T02_9000001496
- exposure: 13840.9079342
- sourceid: LMC X-1
- observer: manojendu
- ra_pnt: 84.91183
- dec_pnt: -69.74324
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A03_119T02_9000001496cztM0_level2.evt
| modeM0/AS1A03_119T02_9000001496cztM0_level2_quad_clean.evt
|
Size (bytes) | 985,772,160 | 253,238,400 |
Size | 940.1 MB
| 241.5 MB
|
Events in quadrant A | 6,724,336 | 1,680,559 |
Events in quadrant B | 7,118,520 | 1,668,233 |
Events in quadrant C | 6,639,400 | 1,709,402 |
Events in quadrant D | 8,354,641 | 1,576,109 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 318 | 0 |
B | 0 | 323 | 0 |
C | 0 | 315 | 0 |
D | 0 | 321 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26 | 0 |
B | 0 | 26 | 0 |
C | 0 | 25 | 0 |
D | 0 | 26 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 30713 | 0 |
B | 0 | 31219 | 0 |
C | 0 | 30509 | 0 |
D | 0 | 34374 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 15145 | 68 | 0.448993% |
B | 14835 | 127 | 0.856084% |
C | 15143 | 35 | 0.231130% |
D | 14801 | 181 | 1.222890% |
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 | 18579 | 15810 | 1 | 1 | 0.01% | 0.01% |  |
B | 18579 | 15543 | 31 | 31 | 0.17% | 0.20% |  |
C | 18579 | 15806 | 1 | 1 | 0.01% | 0.01% |  |
D | 18579 | 15298 | 132 | 132 | 0.71% | 0.86% |  |
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 | 13 | 251 | 43366 | 120.16 | 1717 | 1676 | 347.0 |
A | 15 | 174 | 35732 | 98.16 | 1717 | 1676 | 347.0 |
A | 3 | 1 | 19419 | 51.14 | 1717 | 1676 | 347.0 |
B | 4 | 239 | 263664 | 826.35 | 1684 | 1643 | 317.1 |
B | 0 | 214 | 163150 | 509.35 | 1684 | 1643 | 317.1 |
B | 0 | 219 | 50106 | 152.84 | 1684 | 1643 | 317.1 |
C | 15 | 48 | 20389 | 48.25 | 1691 | 1699 | 387.4 |
C | 14 | 234 | 19582 | 46.16 | 1691 | 1699 | 387.4 |
C | 13 | 61 | 12634 | 28.23 | 1691 | 1699 | 387.4 |
D | 8 | 195 | 555617 | 1439.89 | 1628 | 1581 | 384.8 |
D | 1 | 52 | 457654 | 1185.29 | 1628 | 1581 | 384.8 |
D | 1 | 20 | 457476 | 1184.83 | 1628 | 1581 | 384.8 |
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 |  |