FRB 20181128C
One-off burst
- Arrival, 400 MHz
- 2018-11-28 21:21:49.327 UTC
- Right ascension
- 268.770°
- Declination
- 49.710°
How the sub-bursts differ
This burst has 2 sub-bursts. These 8 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 | 58450.890154249 | 58450.890154328 |
| Arrival time, infinite frequencyMJD | 58450.889968828 | 58450.889968907 |
| Width (fitburst)s | <0.0023 | <0.00010 |
| Peak frequencyMHz | 480.3 | 485.8 |
| Lowest frequencyMHz | 403.2 | 400.2 |
| Highest frequencyMHz | 572.1 | 590.8 |
| Spectral index | 27.40 | 23.30 |
| Spectral running | -75.00 | -60.00 |
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Position
ra- 268.770± 0.023degrees
dec- 49.710± 0.200degrees
gl- 77.00degrees
gb- 29.20degrees
Detection and dispersion
bonsai_snr- 11.0
snr_fitb- 22.2
bonsai_dm- 614.6pc cm⁻³
dm_fitb- 618.3500± 0.00210pc cm⁻³
dm_exc_ne2001- 569.2pc cm⁻³
dm_exc_ymw16- 576.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58450.890154249± 2.00 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58450.889968828± 2.00 × 10⁻⁸MJD
Burst shape
bc_width- 0.01475s
width_fitbDiffers between sub-bursts.- <0.0023s
scat_time- 0.002320± 0.0004500s
Flux and spectrum
flux- 0.39± 0.29Jy
fluence- 3.40± 1.30Jy ms
peak_freqDiffers between sub-bursts.- 480.3MHz
low_freqDiffers between sub-bursts.- 403.2MHz
high_freqDiffers between sub-bursts.- 572.1MHz
sp_idxDiffers between sub-bursts.- 27.40± 7.30
sp_runDiffers between sub-bursts.- -75.00± 19.00
Exposure and fluence thresholds
exp_up- 19.00± 10.00hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 4.7Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 8.6Jy ms
Fit quality
chi_sq- 599265.922
dof- 597348
flag_frac- 0.360