FRB 20200430C
One-off burst
- Event ID
- 82632945
- Arrival, 400 MHz
- 2020-04-30 18:57:40.172 UTC
- Right ascension
- 23.090°
- Declination
- 46.109°
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 | 58969.79004823965 | 58969.79004828546 |
| Arrival time, infinite frequencyMJD | 58969.78989725095 | 58969.78989729676 |
| Width (fitburst)s | 0.001001 | 0.000762 |
| Peak frequencyMHz | 593.5 | 400.2 |
| Lowest frequencyMHz | 441.8 | 400.2 |
| Highest frequencyMHz | 797.5 | 800.2 |
| Spectral index | 20.80 | -7.75 |
| Spectral running | -26.39 | 11.08 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 23.090± 0.216degrees
dec- 46.109± 0.226degrees
gl- 130.30degrees
gb- -16.18degrees
Detection and dispersion
bonsai_snr- 11.0
snr_fitb- 11.9
bonsai_dm- 503.0pc cm⁻³
dm_fitb- 503.5229± 0.01924pc cm⁻³
dm_exc_ne2001- 414.1pc cm⁻³
dm_exc_ymw16- 411.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58969.79004828546± 2.89 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58969.78989729676± 6.45 × 10⁻⁹MJD
Burst shape
bc_width- 0.00786s
width_fitbDiffers between sub-bursts.- 0.000762± 0.0001377s
scat_time- 0.000000s
Flux and spectrum
flux- 0.30± 0.17Jy
fluence- 1.53± 0.53Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- -7.75± 2.39
sp_runDiffers between sub-bursts.- 11.08± 3.22
Exposure and fluence thresholds
exp_up- 108.92± 63.79hour
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- 1942237.752
dof- 1942369
flag_frac- 0.268