FRB 20190422A
One-off burst
- Arrival, 400 MHz
- 2019-04-22 21:13:25.630 UTC
- Right ascension
- 48.560°
- Declination
- 35.150°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 58595.884324175 | 58595.88432432 | 58595.884324424 |
| Arrival time, infinite frequencyMJD | 58595.884188546 | 58595.884188691 | 58595.884188794 |
| Width (fitburst)s | 0.003220 | 0.002310 | 0.002000 |
| Peak frequencyMHz | 626.1 | 612.3 | 582.8 |
| Lowest frequencyMHz | 501.7 | 506.3 | 444.8 |
| Highest frequencyMHz | 781.4 | 740.5 | 763.7 |
| Spectral index | 42.00 | 54.20 | 24.00 |
| Spectral running | -46.90 | -63.70 | -32.00 |
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Position
ra- 48.560± 0.200degrees
dec- 35.150± 0.200degrees
gl- 153.27degrees
gb- -19.17degrees
Detection and dispersion
bonsai_snr- 18.3
snr_fitb- 29.1
bonsai_dm- 452.9pc cm⁻³
dm_fitb- 452.3020± 0.01000pc cm⁻³
dm_exc_ne2001- 372.8pc cm⁻³
dm_exc_ymw16- 367.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58595.884324424± 1.30 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58595.884188794± 1.30 × 10⁻⁸MJD
Burst shape
bc_width- 0.02949s
width_fitbDiffers between sub-bursts.- 0.002000± 0.0004200s
scat_time- <0.0027s
Flux and spectrum
flux- 0.60± 0.26Jy
fluence- 9.10± 2.80Jy ms
peak_freqDiffers between sub-bursts.- 582.8MHz
low_freqDiffers between sub-bursts.- 444.8MHz
high_freqDiffers between sub-bursts.- 763.7MHz
sp_idxDiffers between sub-bursts.- 24.00± 11.00
sp_runDiffers between sub-bursts.- -32.00± 13.00
Exposure and fluence thresholds
exp_up- 15.30± 8.00hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 8.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 15.3Jy ms
Fit quality
chi_sq- 750783.346
dof- 746608
flag_frac- 0.400