FRB 20221117I
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 252581734
- Arrival, 400 MHz
- 2022-11-17 03:28:10.475 UTC
- Right ascension
- 347.148°
- Declination
- 48.668°
How the sub-bursts differ
This burst has 2 sub-bursts. These 8 measurements differ between them and are highlighted below. Everything else is the same for every sub-burst.
| Measurement | Sub-burst 1 | Sub-burst 2 |
|---|---|---|
| Arrival time, 400 MHzMJD | 59900.14456568782 | 59900.14456574261 |
| Arrival time, infinite frequencyMJD | 59900.14449981545 | 59900.14449987023 |
| Width (fitburst)s | 0.001085 | 0.001414 |
| Peak frequencyMHz | 462.2 | 437.1 |
| Lowest frequencyMHz | 402.3 | 400.2 |
| Highest frequencyMHz | 531.2 | 487.8 |
| Spectral index | 34.36 | 33.82 |
| Spectral running | -119.19 | -191.42 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.148± 0.125degrees
dec- 48.668± 0.041degrees
gl- 105.97degrees
gb- -10.79degrees
Detection and dispersion
bonsai_snr- 33.3
snr_fitb- 59.6
bonsai_dm- 219.6pc cm⁻³
dm_fitb- 219.6737± 0.01673pc cm⁻³
dm_exc_ne2001- 94.3pc cm⁻³
dm_exc_ymw16- 97.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59900.14456568782± 1.25 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59900.14449981545± 5.17 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.001085± 0.0000345s
scat_time- 0.000000s
Flux and spectrum
flux- 1.28± 0.50Jy
fluence- 6.69± 2.48Jy ms
peak_freqDiffers between sub-bursts.- 462.2MHz
low_freqDiffers between sub-bursts.- 402.3MHz
high_freqDiffers between sub-bursts.- 531.2MHz
sp_idxDiffers between sub-bursts.- 34.36± 1.88
sp_runDiffers between sub-bursts.- -119.19± 6.49
Exposure and fluence thresholds
exp_up- 81.85± 66.59hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.6Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.1Jy ms
Fit quality
chi_sq- 1921166.955
dof- 1924711
flag_frac- 0.275