Observation information
- date-obs: 2023-12-25
- time-obs: 14:05:19.216400000
- date-end: 2023-12-25
- time-end: 19:36:12.203100000
- obs_id: A13_003T01_9000006002
- exposure: 16496.5418481
- sourceid: M31N2008-12a
- observer: Judhajeet
- ra_pnt: 11.37
- dec_pnt: 41.90281
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_003T01_9000006002_44569cztM0_level2.fits
| modeM0/AS1A13_003T01_9000006002_44569cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,580,060,160 | 285,842,880 |
| Size | 1.5 GB
| 272.6 MB
|
| Events in quadrant A | 17,490,462 | 1,885,442 |
| Events in quadrant B | 8,834,485 | 2,032,859 |
| Events in quadrant C | 12,443,162 | 1,866,553 |
| Events in quadrant D | 18,268,959 | 1,572,738 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 382 | 0 |
| B | 0 | 382 | 0 |
| C | 0 | 382 | 0 |
| D | 0 | 382 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 67148 | 2 |
| B | 0 | 39703 | 2 |
| C | 0 | 49963 | 2 |
| D | 0 | 67156 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18804 | 1320 | 7.019783% |
| B | 18804 | 249 | 1.324186% |
| C | 18804 | 1136 | 6.041268% |
| D | 18803 | 2658 | 14.136042% |
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 | 19854 | 18806 | 1048 | 1048 | 5.28% | 5.57% |  |
| B | 19854 | 18805 | 72 | 72 | 0.36% | 0.38% |  |
| C | 19854 | 18805 | 1018 | 1018 | 5.13% | 5.41% |  |
| D | 19853 | 18803 | 2218 | 2218 | 11.17% | 11.80% |  |
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 | 10 | 83 | 4775140 | 11002.53 | 2090 | 2042 | 433.8 |
| A | 15 | 223 | 4286097 | 9875.23 | 2090 | 2042 | 433.8 |
| A | 13 | 248 | 220272 | 503.04 | 2090 | 2042 | 433.8 |
| B | 5 | 172 | 192175 | 457.89 | 2105 | 2039 | 415.2 |
| B | 5 | 235 | 172089 | 409.52 | 2105 | 2039 | 415.2 |
| B | 0 | 186 | 94703 | 223.16 | 2105 | 2039 | 415.2 |
| C | 15 | 208 | 1743896 | 3629.01 | 2028 | 2036 | 480.0 |
| C | 15 | 158 | 1509187 | 3140.02 | 2028 | 2036 | 480.0 |
| C | 14 | 254 | 797798 | 1657.9 | 2028 | 2036 | 480.0 |
| D | 2 | 249 | 4016272 | 8030.4 | 1967 | 1904 | 499.9 |
| D | 1 | 52 | 2700334 | 5397.98 | 1967 | 1904 | 499.9 |
| D | 13 | 174 | 2000497 | 3998.01 | 1967 | 1904 | 499.9 |
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 |  |