FRB 20191016A
One-off burst
- Event ID
- 58548876
- Arrival, 400 MHz
- 2019-10-16 23:33:15.263 UTC
- Right ascension
- 258.797°
- Declination
- 60.800°
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 | 58772.981426604754 | 58772.98142665072 |
| Arrival time, infinite frequencyMJD | 58772.981315736 | 58772.98131578196 |
| Width (fitburst)s | 0.000826 | 0.000639 |
| Highest frequencyMHz | 598.7 | 572.0 |
| Spectral index | -2.56 | -9.38 |
| Spectral running | -7.83 | 8.20 |
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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- 258.797± 0.209degrees
dec- 60.800± 0.072degrees
gl- 89.94degrees
gb- 35.10degrees
Detection and dispersion
bonsai_snr- 11.1
snr_fitb- 17.1
bonsai_dm- 370.4pc cm⁻³
dm_fitb- 369.7294± 0.01713pc cm⁻³
dm_exc_ne2001- 327.2pc cm⁻³
dm_exc_ymw16- 333.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58772.98142665072± 1.18 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58772.98131578196± 5.27 × 10⁻⁹MJD
Burst shape
bc_width- 0.00688s
width_fitbDiffers between sub-bursts.- 0.000639± 0.0000708s
scat_time- 0.000000s
Flux and spectrum
flux- 0.25± 0.18Jy
fluence- 0.89± 0.08Jy ms
peak_freq- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 572.0MHz
sp_idxDiffers between sub-bursts.- -9.38± 2.63
sp_runDiffers between sub-bursts.- 8.20± 5.43
Exposure and fluence thresholds
exp_up- 137.75± 89.98hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 0.7Jy ms
low_ft_95- —
up_ft_95- 1.1Jy ms
Fit quality
chi_sq- 2130818.589
dof- 2131099
flag_frac- 0.197