FRB 20190527A
One-off burst
- Arrival, 400 MHz
- 2019-05-27 16:28:07.725 UTC
- Right ascension
- 12.450°
- Declination
- 7.990°
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 | 58630.686200303 | 58630.686200525 |
| Arrival time, infinite frequencyMJD | 58630.686025008 | 58630.686025231 |
| Width (fitburst)s | 0.002670 | 0.002470 |
| Peak frequencyMHz | 484.7 | 449.1 |
| Lowest frequencyMHz | 422.4 | 400.2 |
| Highest frequencyMHz | 556.1 | 512.2 |
| Spectral index | 47.00 | 30.70 |
| Spectral running | -122.00 | -133.00 |
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Position
ra- 12.450± 0.200degrees
dec- 7.990± 0.067degrees
gl- 122.23degrees
gb- -54.88degrees
Detection and dispersion
bonsai_snr- 14.8
snr_fitb- 32.8
bonsai_dm- 582.3pc cm⁻³
dm_fitb- 584.5800± 0.16000pc cm⁻³
dm_exc_ne2001- 550.9pc cm⁻³
dm_exc_ymw16- 559.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58630.686200525± 1.30 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58630.686025231± 5.00 × 10⁻⁸MJD
Burst shape
bc_width- 0.05702s
width_fitbDiffers between sub-bursts.- 0.002470± 0.0006500s
scat_time- 0.005080± 0.0004500s
Flux and spectrum
flux- 0.47± 0.36Jy
fluence- 10.10± 4.10Jy ms
peak_freqDiffers between sub-bursts.- 449.1MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 512.2MHz
sp_idxDiffers between sub-bursts.- 30.70± 3.80
sp_runDiffers between sub-bursts.- -133.00± 15.00
Exposure and fluence thresholds
exp_up- 9.20± 7.50hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 12.9Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 24.0Jy ms
Fit quality
chi_sq- 1340704.245
dof- 1346100
flag_frac- 0.279