Observation information
- date-obs: 2026-09-01
- time-obs: 07:51:08.533200000
- date-end: 2026-09-01
- time-end: 10:06:56.515400000
- obs_id: T05_264T01_9000006602
- exposure: 3227.89655274
- 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_59129cztM0_level2.fits
| modeM0/AS1T05_264T01_9000006602_59129cztM0_level2_quad_clean.evt
|
| Size (bytes) | 824,529,600 | 104,135,040 |
| Size | 786.3 MB
| 99.3 MB
|
| Events in quadrant A | 4,515,516 | 755,011 |
| Events in quadrant B | 4,511,331 | 818,811 |
| Events in quadrant C | 5,082,275 | 738,441 |
| Events in quadrant D | 15,779,720 | 274,434 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 162 | 0 |
| B | 0 | 162 | 0 |
| C | 0 | 162 | 0 |
| D | 0 | 162 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19209 | 0 |
| B | 0 | 18910 | 0 |
| C | 0 | 20472 | 0 |
| D | 0 | 52426 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 8148 | 234 | 2.871870% |
| B | 8149 | 327 | 4.012762% |
| C | 8149 | 307 | 3.767333% |
| D | 8149 | 5202 | 63.836054% |
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 | 8148 | 8148 | 52 | 52 | 0.64% | 0.64% |  |
| B | 8149 | 8149 | 88 | 88 | 1.08% | 1.08% |  |
| C | 8149 | 8149 | 186 | 186 | 2.28% | 2.28% |  |
| D | 8149 | 8149 | 4098 | 4098 | 50.29% | 50.29% |  |
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 | 3 | 14 | 683636 | 3002.72 | 922 | 899 | 227.4 |
| A | 10 | 251 | 175375 | 767.36 | 922 | 899 | 227.4 |
| A | 3 | 245 | 39276 | 168.78 | 922 | 899 | 227.4 |
| B | 4 | 236 | 390226 | 1960.31 | 915 | 881 | 198.6 |
| B | 4 | 201 | 154206 | 771.97 | 915 | 881 | 198.6 |
| B | 5 | 185 | 150614 | 753.89 | 915 | 881 | 198.6 |
| C | 15 | 198 | 635985 | 2616.1 | 892 | 886 | 242.8 |
| C | 3 | 233 | 634915 | 2611.69 | 892 | 886 | 242.8 |
| C | 12 | 252 | 175406 | 718.88 | 892 | 886 | 242.8 |
| D | 12 | 1 | 10315185 | 71933.16 | 507 | 486 | 143.4 |
| D | 12 | 110 | 3210094 | 22383.32 | 507 | 486 | 143.4 |
| D | 6 | 239 | 85713 | 594.36 | 507 | 486 | 143.4 |
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 |  |  |