Observation information
- date-obs: 2017-11-01
- time-obs: 11:37:19.863500000
- date-end: 2017-11-04
- time-end: 09:35:51.694100000
- obs_id: G08_062T01_9000001660
- exposure: 133420.193447
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G08_062T01_9000001660cztM0_level2_bc.evt
| modeM0/AS1G08_062T01_9000001660cztM0_level2_quad_clean.evt
|
Size (bytes) | 9,736,980,480 | 2,711,496,960 |
Size | 9.1 GB
| 2.5 GB
|
Events in quadrant A | 57,579,028 | 17,342,376 |
Events in quadrant B | 81,202,717 | 16,594,448 |
Events in quadrant C | 42,792,467 | 17,392,650 |
Events in quadrant D | 98,439,950 | 15,821,088 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 336 | 0 |
B | 0 | 336 | 0 |
C | 0 | 336 | 0 |
D | 0 | 336 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 4442 | 0 |
B | 0 | 4442 | 0 |
C | 0 | 4442 | 0 |
D | 0 | 4442 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 501293 | 0 |
B | 0 | 608148 | 0 |
C | 0 | 447235 | 0 |
D | 0 | 678835 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 218579 | 3538 | 1.618637% |
B | 218579 | 17705 | 8.100046% |
C | 218579 | 1453 | 0.664748% |
D | 218579 | 24573 | 11.242160% |
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 | 251914 | 218598 | 39 | 39 | 0.02% | 0.02% |  |
B | 251914 | 218575 | 553 | 553 | 0.22% | 0.25% |  |
C | 251914 | 218588 | 4 | 4 | 0.00% | 0.00% |  |
D | 251914 | 218551 | 3292 | 3292 | 1.31% | 1.51% |  |
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 | 8923545 | 3725.54 | 10912 | 10717 | 2392.4 |
A | 15 | 174 | 4598608 | 1917.73 | 10912 | 10717 | 2392.4 |
A | 8 | 15 | 529814 | 216.98 | 10912 | 10717 | 2392.4 |
B | 4 | 239 | 21530121 | 10667.27 | 10624 | 10340 | 2017.4 |
B | 3 | 64 | 12707502 | 6293.93 | 10624 | 10340 | 2017.4 |
B | 15 | 204 | 1041996 | 511.39 | 10624 | 10340 | 2017.4 |
C | 14 | 234 | 109850 | 41.31 | 10834 | 10690 | 2400.1 |
C | 13 | 250 | 80388 | 29.04 | 10834 | 10690 | 2400.1 |
C | 4 | 175 | 73918 | 26.34 | 10834 | 10690 | 2400.1 |
D | 10 | 253 | 17215127 | 6590.35 | 10165 | 9857 | 2610.7 |
D | 13 | 152 | 12305171 | 4709.63 | 10165 | 9857 | 2610.7 |
D | 1 | 52 | 11769232 | 4504.34 | 10165 | 9857 | 2610.7 |
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 |  |