Observation information
- date-obs: 2015-10-17
- time-obs: 10:23:18.637600000
- date-end: 2015-10-18
- time-end: 03:33:04.635100000
- obs_id: P01_126T02_9000000034
- exposure: 24808.5310274
- sourceid: Crab-ssm1-p2
- observer: ramadevi
- ra_pnt: 353.3941
- dec_pnt: -15.2323
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1P01_126T02_9000000034cztM0_level2.fits
| modeM0/AS1P01_126T02_9000000034cztM0_level2_quad_clean.evt
|
Size (bytes) | 358,796,160 | 385,205,760 |
Size | 342.2 MB
| 367.4 MB
|
Events in quadrant A | 2,009,676 | 2,211,096 |
Events in quadrant B | 2,047,454 | 2,272,281 |
Events in quadrant C | 2,018,832 | 2,148,429 |
Events in quadrant D | 1,719,396 | 1,963,402 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 171 | 0 |
B | 0 | 171 | 0 |
C | 0 | 171 | 0 |
D | 0 | 171 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 225541 | 0 |
B | 0 | 188236 | 0 |
C | 0 | 178093 | 0 |
D | 0 | 175757 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 914 | 0 |
B | 0 | 914 | 0 |
C | 0 | 914 | 0 |
D | 0 | 914 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 44732 | 594 | 1.327908% |
B | 44732 | 80 | 0.178843% |
C | 44732 | 46 | 0.102835% |
D | 44732 | 334 | 0.746669% |
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 | 61787 | 44722 | 0 | 0 | 0.00% | 0.00% |  |
B | 61787 | 44732 | 0 | 0 | 0.00% | 0.00% |  |
C | 61787 | 44732 | 0 | 0 | 0.00% | 0.00% |  |
D | 61787 | 44715 | 0 | 0 | 0.00% | 0.00% |  |
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 | 7 | 110 | 1947 | 11.58 | 522 | 487 | 126.0 |
A | 0 | 29 | 1862 | 10.91 | 522 | 487 | 126.0 |
A | 0 | 28 | 1435 | 7.52 | 522 | 487 | 126.0 |
B | 2 | 9 | 1677 | 11.85 | 542 | 515 | 98.1 |
B | 14 | 254 | 1366 | 8.67 | 542 | 515 | 98.1 |
B | 2 | 8 | 1334 | 8.35 | 542 | 515 | 98.1 |
C | 12 | 241 | 1452 | 7.12 | 534 | 493 | 134.7 |
C | 2 | 191 | 1386 | 6.63 | 534 | 493 | 134.7 |
C | 3 | 187 | 1372 | 6.53 | 534 | 493 | 134.7 |
D | 6 | 231 | 1336 | 7.3 | 493 | 452 | 121.2 |
D | 3 | 14 | 1275 | 6.79 | 493 | 452 | 121.2 |
D | 1 | 19 | 1269 | 6.74 | 493 | 452 | 121.2 |
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 |  |