FRB 20210113B
One-off burst
- Event ID
- 152076816
- Arrival, 400 MHz
- 2021-01-13 10:16:24.600 UTC
- Right ascension
- 148.263°
- Declination
- 67.959°
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 | 59227.42806245766 | 59227.428062501305 |
| Arrival time, infinite frequencyMJD | 59227.427810157285 | 59227.42781020093 |
| Width (fitburst)s | 0.000306 | 0.000500 |
| Peak frequencyMHz | 431.0 | 477.4 |
| Highest frequencyMHz | 615.8 | 748.1 |
| Spectral index | 2.68 | 4.03 |
| Spectral running | -18.09 | -11.41 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 148.263± 0.092degrees
dec- 67.959± 0.162degrees
gl- 143.47degrees
gb- 41.34degrees
Detection and dispersion
bonsai_snr- 34.3
snr_fitb- 44.8
bonsai_dm- 840.7pc cm⁻³
dm_fitb- 841.3810± 0.00204pc cm⁻³
dm_exc_ne2001- 800.5pc cm⁻³
dm_exc_ymw16- 809.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59227.428062501305± 2.37 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59227.42781020093± 6.57 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00197s
width_fitbDiffers between sub-bursts.- 0.000500± 0.0000078s
scat_time- 0.000000s
Flux and spectrum
flux- 1.89± 0.59Jy
fluence- 7.78± 2.40Jy ms
peak_freqDiffers between sub-bursts.- 477.4MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 748.1MHz
sp_idxDiffers between sub-bursts.- 4.03± 0.63
sp_runDiffers between sub-bursts.- -11.41± 1.14
Exposure and fluence thresholds
exp_up- 228.30± 92.68hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.1Jy ms
low_ft_95- —
up_ft_95- 2.0Jy ms
Fit quality
chi_sq- 2135909.533
dof- 2137903
flag_frac- 0.195