FRB 20200302C
One-off burst
- Event ID
- 75221613
- Arrival, 400 MHz
- 2020-03-02 12:36:49.415 UTC
- Right ascension
- 231.375°
- Declination
- 69.575°
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 | 58910.525571808284 | 58910.525571937964 |
| Arrival time, infinite frequencyMJD | 58910.525457867756 | 58910.525457997435 |
| Width (fitburst)s | 0.000467 | 0.001297 |
| Peak frequencyMHz | 452.5 | 452.8 |
| Highest frequencyMHz | 533.5 | 559.9 |
| Spectral index | 20.88 | 12.65 |
| Spectral running | -84.94 | -51.16 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 231.375± 0.171degrees
dec- 69.575± 0.192degrees
gl- 105.90degrees
gb- 42.09degrees
Detection and dispersion
bonsai_snr- 23.7
snr_fitb- 43.5
bonsai_dm- 380.1pc cm⁻³
dm_fitb- 379.9732± 0.00630pc cm⁻³
dm_exc_ne2001- 342.1pc cm⁻³
dm_exc_ymw16- 348.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58910.525571937964± 1.10 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58910.525457997435± 2.18 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.001297± 0.0000933s
scat_time- 0.000000s
Flux and spectrum
flux- 1.18± 0.56Jy
fluence- 3.74± 1.70Jy ms
peak_freqDiffers between sub-bursts.- 452.8MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 559.9MHz
sp_idxDiffers between sub-bursts.- 12.65± 2.79
sp_runDiffers between sub-bursts.- -51.16± 9.83
Exposure and fluence thresholds
exp_up- 221.48± 111.03hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 0.6Jy ms
low_ft_95- —
up_ft_95- 1.2Jy ms
Fit quality
chi_sq- 2168906.182
dof- 2170789
flag_frac- 0.182