FRB 20190527A
One-off burst
- Event ID
- 39405385
- Arrival, 400 MHz
- 2019-05-27 16:28:07.742 UTC
- Right ascension
- 12.550°
- Declination
- 7.996°
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 | 58630.68620050302 | 58630.686200720826 |
| Arrival time, infinite frequencyMJD | 58630.686024735456 | 58630.68602495327 |
| Width (fitburst)s | 0.003538 | 0.009903 |
| Peak frequencyMHz | 492.4 | 460.0 |
| Lowest frequencyMHz | 448.4 | 402.6 |
| Highest frequencyMHz | 540.7 | 525.6 |
| Spectral index | 108.74 | 36.09 |
| Spectral running | -262.32 | -129.53 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 12.550± 0.194degrees
dec- 7.996± 0.067degrees
gl- 122.40degrees
gb- -54.87degrees
Detection and dispersion
bonsai_snr- 14.8
snr_fitb- 24.6
bonsai_dm- 582.3pc cm⁻³
dm_fitb- 586.1564± 0.33511pc cm⁻³
dm_exc_ne2001- 552.5pc cm⁻³
dm_exc_ymw16- 561.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58630.686200720826± 2.60 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58630.68602495327± 1.04 × 10⁻⁷MJD
Burst shape
bc_width- 0.04915s
width_fitbDiffers between sub-bursts.- 0.009903± 0.0011471s
scat_time- 0.000000s
Flux and spectrum
flux- 0.74± 0.52Jy
fluence- 18.26± 6.77Jy ms
peak_freqDiffers between sub-bursts.- 460.0MHz
low_freqDiffers between sub-bursts.- 402.6MHz
high_freqDiffers between sub-bursts.- 525.6MHz
sp_idxDiffers between sub-bursts.- 36.09± 4.36
sp_runDiffers between sub-bursts.- -129.53± 14.55
Exposure and fluence thresholds
exp_up- 60.75± 47.02hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- —
low_ft_95- —
up_ft_95- —
Fit quality
chi_sq- 1914722.316
dof- 1915315
flag_frac- 0.278