Observation information
- date-obs: 2018-10-14
- time-obs: 08:45:58.202600000
- date-end: 2018-10-14
- time-end: 11:50:14.181000000
- obs_id: C04_007T02_9000002432
- exposure: 5939.81504399
- sourceid: Crab
- observer: gulabd
- ra_pnt: 83.63321
- dec_pnt: 22.01446
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C04_007T02_9000002432cztM0_level2_bc.evt
| modeM0/AS1C04_007T02_9000002432cztM0_level2_quad_clean.evt
|
Size (bytes) | 364,970,880 | 134,256,960 |
Size | 348.1 MB
| 128.0 MB
|
Events in quadrant A | 2,440,592 | 847,572 |
Events in quadrant B | 2,878,875 | 858,895 |
Events in quadrant C | 2,238,798 | 824,278 |
Events in quadrant D | 2,767,250 | 803,538 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 23032 | 0 |
B | 0 | 25143 | 0 |
C | 0 | 22223 | 0 |
D | 0 | 24041 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 4 | 0 |
B | 0 | 4 | 0 |
C | 0 | 4 | 0 |
D | 0 | 4 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 218 | 0 |
B | 0 | 218 | 0 |
C | 0 | 218 | 0 |
D | 0 | 218 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 10552 | 364 | 3.449583% |
B | 10552 | 391 | 3.705459% |
C | 10552 | 320 | 3.032600% |
D | 10552 | 372 | 3.525398% |
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 | 11058 | 10552 | 9 | 9 | 0.08% | 0.09% |  |
B | 11058 | 10551 | 1 | 1 | 0.01% | 0.01% |  |
C | 11058 | 10550 | 0 | 0 | 0.00% | 0.00% |  |
D | 11058 | 10551 | 16 | 16 | 0.14% | 0.15% |  |
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 | 15 | 174 | 333420 | 2666.86 | 546 | 533 | 124.8 |
A | 13 | 248 | 6555 | 48.24 | 546 | 533 | 124.8 |
A | 12 | 194 | 3573 | 24.35 | 546 | 533 | 124.8 |
B | 15 | 35 | 439312 | 3943.26 | 551 | 537 | 111.3 |
B | 4 | 173 | 71169 | 634.77 | 551 | 537 | 111.3 |
B | 0 | 198 | 63741 | 568.01 | 551 | 537 | 111.3 |
C | 3 | 233 | 170477 | 1344.93 | 526 | 522 | 126.4 |
C | 0 | 207 | 19183 | 147.67 | 526 | 522 | 126.4 |
C | 8 | 128 | 9889 | 74.13 | 526 | 522 | 126.4 |
D | 2 | 33 | 259179 | 2006.52 | 534 | 513 | 128.9 |
D | 1 | 52 | 228804 | 1770.89 | 534 | 513 | 128.9 |
D | 5 | 222 | 133288 | 1029.96 | 534 | 513 | 128.9 |
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 |  |