Observation information
- date-obs: 2026-04-22
- time-obs: 08:13:25.625500000
- date-end: 2026-04-22
- time-end: 10:46:02.601600000
- obs_id: A14_070T08_9000006568
- exposure: 8360.9879148
- sourceid: NGC2173
- observer: saroonsasi19
- ra_pnt: 89.49167
- dec_pnt: -72.97833
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_070T08_9000006568_57169cztM0_level2.fits
| modeM0/AS1A14_070T08_9000006568_57169cztM0_level2_quad_clean.evt
|
| Size (bytes) | 572,788,800 | 128,882,880 |
| Size | 546.3 MB
| 122.9 MB
|
| Events in quadrant A | 3,880,534 | 850,739 |
| Events in quadrant B | 4,065,425 | 915,697 |
| Events in quadrant C | 6,884,051 | 753,306 |
| Events in quadrant D | 5,660,980 | 746,994 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 184 | 0 |
| B | 0 | 184 | 0 |
| C | 0 | 184 | 0 |
| D | 0 | 184 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18742 | 0 |
| B | 0 | 19016 | 0 |
| C | 0 | 26953 | 0 |
| D | 0 | 23338 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 9157 | 107 | 1.168505% |
| B | 9158 | 183 | 1.998253% |
| C | 9158 | 920 | 10.045862% |
| D | 9158 | 382 | 4.171216% |
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 | 9157 | 9157 | 4 | 4 | 0.04% | 0.04% |  |
| B | 9158 | 9158 | 12 | 12 | 0.13% | 0.13% |  |
| C | 9158 | 9158 | 518 | 518 | 5.66% | 5.66% |  |
| D | 9158 | 9158 | 338 | 338 | 3.69% | 3.69% |  |
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 | 13 | 248 | 34445 | 138.07 | 974 | 948 | 242.6 |
| A | 0 | 12 | 31510 | 125.98 | 974 | 948 | 242.6 |
| A | 10 | 251 | 18089 | 70.66 | 974 | 948 | 242.6 |
| B | 5 | 185 | 78562 | 377.05 | 960 | 922 | 205.9 |
| B | 4 | 201 | 32844 | 155.02 | 960 | 922 | 205.9 |
| B | 12 | 111 | 25623 | 119.96 | 960 | 922 | 205.9 |
| C | 15 | 224 | 1768306 | 7164.82 | 906 | 895 | 246.7 |
| C | 15 | 198 | 1171947 | 4747.27 | 906 | 895 | 246.7 |
| C | 14 | 67 | 143382 | 577.62 | 906 | 895 | 246.7 |
| D | 0 | 19 | 469384 | 1776.82 | 933 | 890 | 263.7 |
| D | 8 | 240 | 339052 | 1282.52 | 933 | 890 | 263.7 |
| D | 2 | 249 | 323093 | 1221.99 | 933 | 890 | 263.7 |
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 |  |