FRB 20230825E
One-off burst
- Event ID
- 312570403
- Arrival, 400 MHz
- 2023-08-25 08:55:16.862 UTC
- Right ascension
- 347.290°
- Declination
- 48.805°
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 | 60181.37172247732 | 60181.3717229347 |
| Arrival time, infinite frequencyMJD | 60181.371655875526 | 60181.3716563329 |
| Width (fitburst)s | 0.007674 | 0.003016 |
| Peak frequencyMHz | 772.5 | 553.1 |
| Lowest frequencyMHz | 682.9 | 436.2 |
| Highest frequencyMHz | 800.2 | 701.2 |
| Spectral index | 199.49 | 26.45 |
| Spectral running | -151.68 | -40.87 |
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Position
ra- 347.290± 0.174degrees
dec- 48.805± 0.170degrees
gl- 106.12degrees
gb- -10.70degrees
Detection and dispersion
bonsai_snr- 25.7
snr_fitb- 72.6
bonsai_dm- 222.4pc cm⁻³
dm_fitb- 222.1062± 0.08025pc cm⁻³
dm_exc_ne2001- 95.9pc cm⁻³
dm_exc_ymw16- 98.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60181.3717229347± 1.24 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 60181.3716563329± 2.71 × 10⁻⁸MJD
Burst shape
bc_width- 0.06291s
width_fitbDiffers between sub-bursts.- 0.003016± 0.0001976s
scat_time- 0.022880± 0.0016117s
Flux and spectrum
flux- 1.04± 0.41Jy
fluence- 23.10± 6.86Jy ms
peak_freqDiffers between sub-bursts.- 553.1MHz
low_freqDiffers between sub-bursts.- 436.2MHz
high_freqDiffers between sub-bursts.- 701.2MHz
sp_idxDiffers between sub-bursts.- 26.45± 1.92
sp_runDiffers between sub-bursts.- -40.87± 2.95
Exposure and fluence thresholds
exp_up- 134.45± 54.93hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 7.7Jy ms
low_ft_95- —
up_ft_95- 13.4Jy ms
Fit quality
chi_sq- 1709181.350
dof- 1714434
flag_frac- 0.354