FRB 20191213B
One-off burst
- Event ID
- 64692863
- Arrival, 400 MHz
- 2019-12-13 18:33:43.266 UTC
- Right ascension
- 241.668°
- Declination
- 57.719°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 58830.77341742823 | 58830.77341765282 |
| Arrival time, infinite frequencyMJD | 58830.7733189123 | 58830.77331913689 |
| Width (fitburst)s | 0.000675 | 0.000569 |
| Peak frequencyMHz | 400.2 | 605.7 |
| Highest frequencyMHz | 561.6 | 800.2 |
| Spectral index | -6.86 | 10.92 |
| Spectral running | 0.20 | -13.18 |
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Notes
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence unavailable because the best available calibrator was of poor quality.
Position
ra- 241.668± 0.128degrees
dec- 57.719± 0.027degrees
gl- 88.76degrees
gb- 44.31degrees
Detection and dispersion
bonsai_snr- 44.8
snr_fitb- 80.5
bonsai_dm- 326.7pc cm⁻³
dm_fitb- 328.5347± 0.01223pc cm⁻³
dm_exc_ne2001- 292.0pc cm⁻³
dm_exc_ymw16- 299.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58830.77341742823± 2.73 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58830.7733189123± 4.57 × 10⁻⁹MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.000675± 0.0002398s
scat_time- 0.024120± 0.0007381s
Flux and spectrum
flux- —
fluence- —
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 561.6MHz
sp_idxDiffers between sub-bursts.- -6.86± 1.33
sp_runDiffers between sub-bursts.- 0.20± 3.22
Exposure and fluence thresholds
exp_up- 97.84± 77.85hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- —
low_ft_95- —
up_ft_95- —
Fit quality
chi_sq- 2233986.215
dof- 2240448
flag_frac- 0.156