Observation information
- date-obs: 2026-09-02
- time-obs: 06:29:56.359800000
- date-end: 2026-09-02
- time-end: 08:37:45.343200000
- obs_id: T05_264T01_9000006602
- exposure: 535.737490892
- 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_59143cztM0_level2.fits
| modeM0/AS1T05_264T01_9000006602_59143cztM0_level2_quad_clean.evt
|
| Size (bytes) | 813,113,280 | 92,540,160 |
| Size | 775.4 MB
| 88.3 MB
|
| Events in quadrant A | 3,464,473 | 721,680 |
| Events in quadrant B | 4,013,357 | 790,460 |
| Events in quadrant C | 3,513,987 | 711,548 |
| Events in quadrant D | 18,509,987 | 44,604 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 154 | 0 |
| B | 0 | 154 | 0 |
| C | 0 | 154 | 0 |
| D | 0 | 154 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15968 | 0 |
| B | 0 | 17164 | 0 |
| C | 0 | 16084 | 0 |
| D | 0 | 60254 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7669 | 20 | 0.260790% |
| B | 7669 | 115 | 1.499544% |
| C | 7669 | 18 | 0.234711% |
| D | 7669 | 7205 | 93.949667% |
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 | 7669 | 7669 | 8 | 8 | 0.10% | 0.10% |  |
| B | 7669 | 7669 | 35 | 35 | 0.46% | 0.46% |  |
| C | 7669 | 7669 | 19 | 19 | 0.25% | 0.25% |  |
| D | 7669 | 7669 | 6791 | 6791 | 88.55% | 88.55% |  |
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 | 69106 | 324.82 | 852 | 830 | 210.2 |
| A | 8 | 206 | 28894 | 133.51 | 852 | 830 | 210.2 |
| A | 15 | 233 | 16902 | 76.46 | 852 | 830 | 210.2 |
| B | 4 | 236 | 234306 | 1273.3 | 847 | 815 | 183.4 |
| B | 5 | 185 | 140718 | 762.94 | 847 | 815 | 183.4 |
| B | 4 | 201 | 137849 | 747.29 | 847 | 815 | 183.4 |
| C | 14 | 254 | 118418 | 513.79 | 835 | 829 | 228.9 |
| C | 12 | 252 | 85585 | 370.33 | 835 | 829 | 228.9 |
| C | 14 | 96 | 19348 | 80.92 | 835 | 829 | 228.9 |
| D | 12 | 1 | 15631023 | 286782.09 | 187 | 177 | 54.5 |
| D | 12 | 110 | 2018967 | 37039.12 | 187 | 177 | 54.5 |
| D | 6 | 239 | 41114 | 751.08 | 187 | 177 | 54.5 |
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 |  |  |