FRB 20200603B
One-off burst
- Event ID
- 86321776
- Arrival, 400 MHz
- 2020-06-03 01:13:51.144 UTC
- Right ascension
- 148.398°
- Declination
- 71.667°
How the sub-bursts differ
This burst has 3 sub-bursts. These 6 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 | 59003.05128639254 | 59003.0512864362 | 59003.05128650898 |
| Arrival time, infinite frequencyMJD | 59003.05119790333 | 59003.051197946996 | 59003.05119801977 |
| Width (fitburst)s | 0.000294 | 0.001630 | 0.002899 |
| Highest frequencyMHz | 582.2 | 709.7 | 541.8 |
| Spectral index | -6.54 | -2.90 | -7.01 |
| Spectral running | 1.07 | -1.96 | -1.95 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 148.398± 0.046degrees
dec- 71.667± 0.195degrees
gl- 139.46degrees
gb- 39.25degrees
Detection and dispersion
bonsai_snr- 31.8
snr_fitb- 57.4
bonsai_dm- 291.1pc cm⁻³
dm_fitb- 295.0972± 0.00209pc cm⁻³
dm_exc_ne2001- 253.0pc cm⁻³
dm_exc_ymw16- 261.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59003.05128639254± 1.19 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59003.05119790333± 6.37 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.01573s
width_fitbDiffers between sub-bursts.- 0.000294± 0.0000048s
scat_time- 0.000000s
Flux and spectrum
flux- 1.96± 1.01Jy
fluence- 11.13± 5.59Jy ms
peak_freq- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 582.2MHz
sp_idxDiffers between sub-bursts.- -6.54± 0.68
sp_runDiffers between sub-bursts.- 1.07± 1.63
Exposure and fluence thresholds
exp_up- 270.75± 117.06hour
exp_low- 248.92± 47.97hour
low_ft_68- 27.0Jy ms
up_ft_68- 2.9Jy ms
low_ft_95- 50.6Jy ms
up_ft_95- 5.5Jy ms
Fit quality
chi_sq- 1981687.406
dof- 1984970
flag_frac- 0.252