FRB 20180814B
One-off burst
- Previous name
- 180814.J1554+74
- Arrival, 400 MHz
- 2018-08-14 14:20:17.001 UTC
- Right ascension
- 238.260°
- Declination
- 74.020°
How the sub-bursts differ
This burst has 2 sub-bursts. These 5 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 | 58344.597418957 | 58344.5974189908 |
| Arrival time, infinite frequencyMJD | 58344.5973474851 | 58344.5973475189 |
| Width (fitburst)s | 0.000764 | 0.000830 |
| Spectral index | 0.30 | 0.10 |
| Spectral running | 1.20 | 0.20 |
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Notes
- This burst was excluded from the population analyses in the Catalog 1 paper.
Position
ra- 238.260± 0.042degrees
dec- 74.020± 0.380degrees
gl- 108.60degrees
gb- 37.62degrees
Detection and dispersion
bonsai_snr- 18.7
snr_fitb- 24.4
bonsai_dm- 237.8pc cm⁻³
dm_fitb- 238.3474± 0.00330pc cm⁻³
dm_exc_ne2001- 197.2pc cm⁻³
dm_exc_ymw16- 203.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58344.5974189908± 3.10 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58344.5973475189± 3.30 × 10⁻⁹MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000830± 0.0001500s
scat_time- <0.00088s
Flux and spectrum
flux- 3.40± 2.80Jy
fluence- 10.60± 8.30Jy ms
peak_freq- 800.2MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 0.10± 2.00
sp_runDiffers between sub-bursts.- 0.20± 2.70
Exposure and fluence thresholds
exp_up- 43.00± 24.00hour
exp_low- 34.00± 17.00hour
low_ft_68- 2.4Jy ms
up_ft_68- 0.3Jy ms
low_ft_95- 3.9Jy ms
up_ft_95- 0.5Jy ms
Fit quality
chi_sq- 366744.692
dof- 363573
flag_frac- 0.416