FRB 20181104C
One-off burst
- Arrival, 400 MHz
- 2018-11-04 10:15:06.308 UTC
- Right ascension
- 77.050°
- Declination
- 17.440°
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 | 58426.42715629732 | 58426.4271563405 |
| Arrival time, infinite frequencyMJD | 58426.42698213066 | 58426.4269821738 |
| Width (fitburst)s | 0.000461 | 0.001460 |
| Peak frequencyMHz | 547.6 | 561.0 |
| Spectral index | 5.81 | 7.40 |
| Spectral running | -9.25 | -10.90 |
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Position
ra- 77.050± 0.140degrees
dec- 17.440± 0.150degrees
gl- 184.96degrees
gb- -13.47degrees
Detection and dispersion
bonsai_snr- 62.2
snr_fitb- 101.3
bonsai_dm- 580.7pc cm⁻³
dm_fitb- 580.8176± 0.00051pc cm⁻³
dm_exc_ne2001- 475.5pc cm⁻³
dm_exc_ymw16- 429.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58426.4271563405± 2.20 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58426.4269821738± 2.30 × 10⁻⁹MJD
Burst shape
bc_width- 0.00098s
width_fitbDiffers between sub-bursts.- 0.001460± 0.0001400s
scat_time- <0.00048s
Flux and spectrum
flux- 9.70± 2.70Jy
fluence- 20.70± 5.70Jy ms
peak_freqDiffers between sub-bursts.- 561.0MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 7.40± 1.70
sp_runDiffers between sub-bursts.- -10.90± 2.20
Exposure and fluence thresholds
exp_up- 17.00± 3.40hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 5.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 10.1Jy ms
Fit quality
chi_sq- 354822.311
dof- 348373
flag_frac- 0.440