Observation information
- date-obs: 2023-11-13
- time-obs: 13:02:32.944300000
- date-end: 2023-11-13
- time-end: 18:47:33.950400000
- obs_id: A13_025T01_9000005920
- exposure: 17703.2008082
- sourceid: NGC315-2
- observer: anantha912
- ra_pnt: 14.58701
- dec_pnt: 30.13132
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_025T01_9000005920_43946cztM0_level2.fits
| modeM0/AS1A13_025T01_9000005920_43946cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,545,739,200 | 298,684,800 |
| Size | 1.4 GB
| 284.8 MB
|
| Events in quadrant A | 19,069,446 | 1,845,722 |
| Events in quadrant B | 10,370,954 | 2,061,696 |
| Events in quadrant C | 12,582,636 | 1,983,470 |
| Events in quadrant D | 13,681,389 | 1,801,357 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 396 | 0 |
| B | 0 | 396 | 0 |
| C | 0 | 396 | 0 |
| D | 0 | 396 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 71216 | 3 |
| B | 0 | 44168 | 2 |
| C | 0 | 50569 | 2 |
| D | 0 | 53982 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 19595 | 2408 | 12.288849% |
| B | 19595 | 610 | 3.113039% |
| C | 19596 | 873 | 4.454991% |
| D | 19596 | 1043 | 5.322515% |
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 | 20700 | 19597 | 1667 | 1667 | 8.05% | 8.51% |  |
| B | 20700 | 19597 | 125 | 125 | 0.60% | 0.64% |  |
| C | 20701 | 19598 | 614 | 614 | 2.97% | 3.13% |  |
| D | 20701 | 19598 | 700 | 700 | 3.38% | 3.57% |  |
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 | 222 | 6414214 | 14270.16 | 2147 | 2097 | 449.3 |
| A | 10 | 83 | 3099438 | 6893.13 | 2147 | 2097 | 449.3 |
| A | 15 | 223 | 1116817 | 2480.81 | 2147 | 2097 | 449.3 |
| B | 5 | 172 | 468374 | 1075.18 | 2199 | 2130 | 433.6 |
| B | 0 | 200 | 299631 | 686.05 | 2199 | 2130 | 433.6 |
| B | 4 | 171 | 259851 | 594.32 | 2199 | 2130 | 433.6 |
| C | 1 | 241 | 1820882 | 3592.28 | 2157 | 2168 | 506.3 |
| C | 15 | 158 | 1097981 | 2164.42 | 2157 | 2168 | 506.3 |
| C | 3 | 233 | 648433 | 1276.49 | 2157 | 2168 | 506.3 |
| D | 5 | 235 | 1019467 | 1832.71 | 2175 | 2108 | 555.1 |
| D | 7 | 204 | 566116 | 1016.02 | 2175 | 2108 | 555.1 |
| D | 1 | 52 | 553791 | 993.82 | 2175 | 2108 | 555.1 |
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 |  |