FRB 20230205A
One-off burst
- Event ID
- 269116348
- Arrival, 400 MHz
- 2023-02-05 09:13:47.345 UTC
- Right ascension
- 149.362°
- Declination
- 67.013°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 59980.38457566065 | 59980.38457570939 | 59980.384575755415 |
| Arrival time, infinite frequencyMJD | 59980.38437057376 | 59980.384370622494 | 59980.38437066852 |
| Width (fitburst)s | 0.000462 | 0.000663 | 0.000078 |
| Peak frequencyMHz | 483.9 | 479.1 | 509.1 |
| Lowest frequencyMHz | 400.2 | 400.2 | 434.5 |
| Highest frequencyMHz | 628.9 | 599.5 | 596.4 |
| Spectral index | 12.74 | 16.50 | 44.17 |
| Spectral running | -33.52 | -45.83 | -91.79 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 149.362± 0.073degrees
dec- 67.013± 0.068degrees
gl- 144.21degrees
gb- 42.21degrees
Detection and dispersion
bonsai_snr- 70.6
snr_fitb- 117.6
bonsai_dm- 683.4pc cm⁻³
dm_fitb- 683.9316± 0.00275pc cm⁻³
dm_exc_ne2001- 643.6pc cm⁻³
dm_exc_ymw16- 652.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59980.384575755415± 3.39 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59980.38437066852± 8.91 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.01180s
width_fitbDiffers between sub-bursts.- 0.000078± 0.0000072s
scat_time- 0.002684± 0.0000717s
Flux and spectrum
flux- 5.36± 2.17Jy
fluence- 36.59± 11.56Jy ms
peak_freqDiffers between sub-bursts.- 509.1MHz
low_freqDiffers between sub-bursts.- 434.5MHz
high_freqDiffers between sub-bursts.- 596.4MHz
sp_idxDiffers between sub-bursts.- 44.17± 3.22
sp_runDiffers between sub-bursts.- -91.79± 6.16
Exposure and fluence thresholds
exp_up- 187.81± 100.43hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 4.9Jy ms
low_ft_95- —
up_ft_95- 8.4Jy ms
Fit quality
chi_sq- 1835562.008
dof- 1849375
flag_frac- 0.303