FRB 20181224E
One-off burst
- Event ID
- 23723094
- Arrival, 400 MHz
- 2018-12-24 17:45:05.331 UTC
- Right ascension
- 239.409°
- Declination
- 7.323°
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 | 58476.73964503971 | 58476.7396451046 |
| Arrival time, infinite frequencyMJD | 58476.73947055646 | 58476.73947062135 |
| Width (fitburst)s | 0.000893 | 0.000516 |
| Peak frequencyMHz | 470.5 | 500.1 |
| Highest frequencyMHz | 681.4 | 800.2 |
| Spectral index | 5.43 | 1.88 |
| Spectral running | -16.78 | -4.22 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 239.409± 0.033degrees
dec- 7.323± 0.192degrees
gl- 17.59degrees
gb- 41.70degrees
Detection and dispersion
bonsai_snr- 32.4
snr_fitb- 42.4
bonsai_dm- 580.7pc cm⁻³
dm_fitb- 581.8734± 0.00665pc cm⁻³
dm_exc_ne2001- 545.3pc cm⁻³
dm_exc_ymw16- 549.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58476.73964503971± 7.20 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 58476.73947055646± 2.12 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000893± 0.0000258s
scat_time- 0.000000s
Flux and spectrum
flux- 3.70± 2.00Jy
fluence- 8.08± 4.48Jy ms
peak_freqDiffers between sub-bursts.- 470.5MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 681.4MHz
sp_idxDiffers between sub-bursts.- 5.43± 0.77
sp_runDiffers between sub-bursts.- -16.78± 1.67
Exposure and fluence thresholds
exp_up- 94.85± 24.92hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.2Jy ms
low_ft_95- —
up_ft_95- 4.4Jy ms
Fit quality
chi_sq- 1818761.591
dof- 1820545
flag_frac- 0.314