FRB 20190109A
One-off burst
- Arrival, 400 MHz
- 2019-01-09 08:00:30.385 UTC
- Right ascension
- 107.960°
- Declination
- 5.160°
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 | 58492.333685006 | 58492.333685095 |
| Arrival time, infinite frequencyMJD | 58492.333587668 | 58492.333587758 |
| Width (fitburst)s | 0.001650 | 0.003400 |
| Peak frequencyMHz | 583.0 | 523.6 |
| Spectral index | 6.10 | 4.60 |
| Spectral running | -8.10 | -8.50 |
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Position
ra- 107.960± 0.250degrees
dec- 5.160± 0.340degrees
gl- 210.64degrees
gb- 6.88degrees
Detection and dispersion
bonsai_snr- 9.4
snr_fitb- 15.4
bonsai_dm- 325.1pc cm⁻³
dm_fitb- 324.6040± 0.02100pc cm⁻³
dm_exc_ne2001- 176.9pc cm⁻³
dm_exc_ymw16- 119.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58492.333685006± 1.20 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58492.333587668± 1.30 × 10⁻⁸MJD
Burst shape
bc_width- 0.01376s
width_fitbDiffers between sub-bursts.- 0.001650± 0.0002700s
scat_time- <0.0022s
Flux and spectrum
flux- 1.19± 0.59Jy
fluence- 6.40± 2.60Jy ms
peak_freqDiffers between sub-bursts.- 583.0MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 6.10± 2.30
sp_runDiffers between sub-bursts.- -8.10± 2.90
Exposure and fluence thresholds
exp_up- 11.50± 6.70hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 10.3Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 18.9Jy ms
Fit quality
chi_sq- 636666.223
dof- 633829
flag_frac- 0.321