FRB 20220119A
One-off burst
- Event ID
- 207858870
- Arrival, 400 MHz
- 2022-01-19 15:23:21.946 UTC
- Right ascension
- 232.409°
- Declination
- 79.434°
How the sub-bursts differ
This burst has 2 sub-bursts. These 6 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 | 59598.64122617367 | 59598.6412262267 |
| Arrival time, infinite frequencyMJD | 59598.641007049664 | 59598.64100710269 |
| Width (fitburst)s | 0.000464 | 0.001915 |
| Peak frequencyMHz | 576.3 | 580.7 |
| Spectral index | 6.05 | 4.85 |
| Spectral running | -8.29 | -6.52 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 232.409± 0.160degrees
dec- 79.434± 0.197degrees
gl- 114.73degrees
gb- 35.04degrees
Detection and dispersion
bonsai_snr- 24.9
snr_fitb- 32.0
bonsai_dm- 729.9pc cm⁻³
dm_fitb- 730.7431± 0.01331pc cm⁻³
dm_exc_ne2001- 686.7pc cm⁻³
dm_exc_ymw16- 692.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59598.6412262267± 2.48 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59598.64100710269± 4.70 × 10⁻⁹MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.001915± 0.0001014s
scat_time- 0.000817± 0.0000512s
Flux and spectrum
flux- 2.43± 1.21Jy
fluence- 14.89± 6.47Jy ms
peak_freqDiffers between sub-bursts.- 580.7MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 4.85± 0.93
sp_runDiffers between sub-bursts.- -6.52± 1.27
Exposure and fluence thresholds
exp_up- 390.03± 203.54hour
exp_low- 321.36± 227.95hour
low_ft_68- 29.3Jy ms
up_ft_68- 8.5Jy ms
low_ft_95- 55.7Jy ms
up_ft_95- 16.4Jy ms
Fit quality
chi_sq- 1704350.882
dof- 1705362
flag_frac- 0.357