FRB 20181128C
One-off burst
- Event ID
- 21575693
- Arrival, 400 MHz
- 2018-11-28 21:21:49.326 UTC
- Right ascension
- 269.067°
- Declination
- 49.715°
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 | 58450.89015424063 | 58450.89015433485 |
| Arrival time, infinite frequencyMJD | 58450.889968807875 | 58450.88996890209 |
| Width (fitburst)s | 0.000632 | 0.000072 |
| Peak frequencyMHz | 483.5 | 488.5 |
| Lowest frequencyMHz | 409.3 | 408.5 |
| Highest frequencyMHz | 571.2 | 584.2 |
| Spectral index | 31.39 | 28.66 |
| Spectral running | -82.97 | -71.89 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 269.067± 0.224degrees
dec- 49.715± 0.226degrees
gl- 77.04degrees
gb- 29.01degrees
Detection and dispersion
bonsai_snr- 11.0
snr_fitb- 21.9
bonsai_dm- 614.6pc cm⁻³
dm_fitb- 618.3883± 0.03185pc cm⁻³
dm_exc_ne2001- 568.9pc cm⁻³
dm_exc_ymw16- 576.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58450.89015424063± 4.16 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58450.889968807875± 1.04 × 10⁻⁸MJD
Burst shape
bc_width- 0.01475s
width_fitbDiffers between sub-bursts.- 0.000632± 0.0002916s
scat_time- 0.012190± 0.0014810s
Flux and spectrum
flux- 0.31± 0.17Jy
fluence- 3.94± 1.52Jy ms
peak_freqDiffers between sub-bursts.- 483.5MHz
low_freqDiffers between sub-bursts.- 409.3MHz
high_freqDiffers between sub-bursts.- 571.2MHz
sp_idxDiffers between sub-bursts.- 31.39± 8.27
sp_runDiffers between sub-bursts.- -82.97± 21.18
Exposure and fluence thresholds
exp_up- 113.16± 68.80hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 5.3Jy ms
low_ft_95- —
up_ft_95- 9.9Jy ms
Fit quality
chi_sq- 1763860.560
dof- 1764330
flag_frac- 0.335