FRB 20191019F
One-off burst
- Event ID
- 59068043
- Arrival, 400 MHz
- 2019-10-19 07:11:51.564 UTC
- Right ascension
- 16.171°
- Declination
- 52.534°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 58775.29990236679 | 58775.299902518665 |
| Arrival time, infinite frequencyMJD | 58775.29962948157 | 58775.299629633446 |
| Width (fitburst)s | 0.003876 | 0.000989 |
| Peak frequencyMHz | 450.1 | 437.5 |
| Highest frequencyMHz | 607.7 | 553.7 |
| Spectral index | 6.00 | 7.38 |
| Spectral running | -25.54 | -41.44 |
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Notes
- This event should be excluded from parameter inference due to non-nominal telescope operation.
- The pulse emission region was extended during fluence estimation.
- Exposure. Event occurred during a system upgrade (hardware or software) and should be excluded from population studies.
Position
ra- 16.171± 0.176degrees
dec- 52.534± 0.034degrees
gl- 124.98degrees
gb- -10.29degrees
Detection and dispersion
bonsai_snr- 18.3
snr_fitb- 30.7
bonsai_dm- 918.7pc cm⁻³
dm_fitb- 910.0281± 0.04332pc cm⁻³
dm_exc_ne2001- 780.6pc cm⁻³
dm_exc_ymw16- 769.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58775.29990236679± 6.95 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58775.29962948157± 1.47 × 10⁻⁸MJD
Burst shape
bc_width- 0.02359s
width_fitbDiffers between sub-bursts.- 0.003876± 0.0003847s
scat_time- 0.006646± 0.0008020s
Flux and spectrum
flux- 0.58± 0.25Jy
fluence- 7.29± 1.92Jy ms
peak_freqDiffers between sub-bursts.- 450.1MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 607.7MHz
sp_idxDiffers between sub-bursts.- 6.00± 2.25
sp_runDiffers between sub-bursts.- -25.54± 6.33
Exposure and fluence thresholds
exp_up- 73.14± 74.12hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.9Jy ms
low_ft_95- —
up_ft_95- 4.9Jy ms
Fit quality
chi_sq- 2193674.365
dof- 2194602
flag_frac- 0.173