FRB 20210413C
One-off burst
- Event ID
- 168016349
- Arrival, 400 MHz
- 2021-04-13 09:26:17.234 UTC
- Right ascension
- 224.220°
- Declination
- 52.347°
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 | 59317.39325493314 | 59317.393255025905 |
| Arrival time, infinite frequencyMJD | 59317.39310240566 | 59317.39310249843 |
| Width (fitburst)s | 0.000040 | 0.000430 |
| Peak frequencyMHz | 488.3 | 400.2 |
| Highest frequencyMHz | 718.7 | 602.8 |
| Spectral index | 6.13 | -1.68 |
| Spectral running | -15.41 | -9.63 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 224.220± 0.187degrees
dec- 52.347± 0.045degrees
gl- 88.67degrees
gb- 55.61degrees
Detection and dispersion
bonsai_snr- 15.2
snr_fitb- 18.0
bonsai_dm- 508.3pc cm⁻³
dm_fitb- 508.6545± 0.01270pc cm⁻³
dm_exc_ne2001- 476.5pc cm⁻³
dm_exc_ymw16- 484.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59317.393255025905± 1.59 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59317.39310249843± 4.13 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000430± 0.0001266s
scat_time- 0.004922± 0.0006815s
Flux and spectrum
flux- 0.42± 0.19Jy
fluence- 1.45± 0.55Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 602.8MHz
sp_idxDiffers between sub-bursts.- -1.68± 1.84
sp_runDiffers between sub-bursts.- -9.63± 4.86
Exposure and fluence thresholds
exp_up- 91.51± 73.57hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 0.8Jy ms
low_ft_95- —
up_ft_95- 1.4Jy ms
Fit quality
chi_sq- 2064042.474
dof- 2064354
flag_frac- 0.222