Observation information
- date-obs: 2026-09-03
- time-obs: 03:15:03.199600000
- date-end: 2026-09-03
- time-end: 05:21:18.184000000
- obs_id: T05_264T01_9000006602
- exposure: 2129.10929924
- sourceid: 4U 1907+09
- observer: rsharmaphys
- ra_pnt: 287.4085
- dec_pnt: 9.829809
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T05_264T01_9000006602_59156cztM0_level2.fits
| modeM0/AS1T05_264T01_9000006602_59156cztM0_level2_quad_clean.evt
|
| Size (bytes) | 787,144,320 | 96,402,240 |
| Size | 750.7 MB
| 91.9 MB
|
| Events in quadrant A | 3,547,344 | 720,742 |
| Events in quadrant B | 3,690,995 | 788,076 |
| Events in quadrant C | 4,276,361 | 707,613 |
| Events in quadrant D | 17,034,192 | 175,239 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 152 | 0 |
| B | 0 | 152 | 0 |
| C | 0 | 152 | 0 |
| D | 0 | 152 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16035 | 0 |
| B | 0 | 16220 | 0 |
| C | 0 | 17937 | 1 |
| D | 0 | 55785 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7575 | 41 | 0.541254% |
| B | 7576 | 122 | 1.610348% |
| C | 7575 | 128 | 1.689769% |
| D | 7575 | 5728 | 75.617162% |
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 | 7575 | 7575 | 12 | 12 | 0.16% | 0.16% |  |
| B | 7576 | 7576 | 11 | 11 | 0.15% | 0.15% |  |
| C | 7575 | 7575 | 101 | 101 | 1.33% | 1.33% |  |
| D | 7575 | 7575 | 5621 | 5621 | 74.20% | 74.20% |  |
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 | 251 | 143091 | 664.68 | 861 | 836 | 214.0 |
| A | 3 | 245 | 32132 | 146.23 | 861 | 836 | 214.0 |
| A | 15 | 248 | 19924 | 89.19 | 861 | 836 | 214.0 |
| B | 5 | 185 | 127771 | 679.3 | 857 | 823 | 186.9 |
| B | 0 | 197 | 49210 | 258.92 | 857 | 823 | 186.9 |
| B | 4 | 236 | 42086 | 220.8 | 857 | 823 | 186.9 |
| C | 5 | 250 | 687544 | 2966.33 | 837 | 829 | 231.5 |
| C | 12 | 252 | 126731 | 543.84 | 837 | 829 | 231.5 |
| C | 14 | 254 | 56766 | 241.62 | 837 | 829 | 231.5 |
| D | 12 | 1 | 10130740 | 91996.14 | 380 | 361 | 110.1 |
| D | 12 | 110 | 4818482 | 43754.39 | 380 | 361 | 110.1 |
| D | 6 | 239 | 540259 | 4902.93 | 380 | 361 | 110.1 |
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 |  |
TCT plots
| Parameter |
TCT0 |
TCT_healed |
| Tct |  |  |