FRB 20190411C
One-off burst
- Arrival, 400 MHz
- 2019-04-11 19:20:36.378 UTC
- Right ascension
- 9.330°
- Declination
- 20.500°
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 | 58584.8059765924 | 58584.8059766488 |
| Arrival time, infinite frequencyMJD | 58584.805906526 | 58584.8059065824 |
| Width (fitburst)s | 0.001023 | 0.000890 |
| Peak frequencyMHz | 636.5 | 640.1 |
| Lowest frequencyMHz | 473.1 | 416.6 |
| Spectral index | 24.30 | 11.70 |
| Spectral running | -26.10 | -12.50 |
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Position
ra- 9.330± 0.054degrees
dec- 20.500± 0.210degrees
gl- 118.46degrees
gb- -42.25degrees
Detection and dispersion
bonsai_snr- 32.2
snr_fitb- 50.0
bonsai_dm- 234.5pc cm⁻³
dm_fitb- 233.6600± 0.00380pc cm⁻³
dm_exc_ne2001- 194.8pc cm⁻³
dm_exc_ymw16- 203.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58584.8059765924± 1.10 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58584.805906526± 1.60 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.001023± 0.0000500s
scat_time- <0.0011s
Flux and spectrum
flux- 3.19± 0.93Jy
fluence- 9.30± 2.40Jy ms
peak_freqDiffers between sub-bursts.- 636.5MHz
low_freqDiffers between sub-bursts.- 473.1MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 24.30± 1.70
sp_runDiffers between sub-bursts.- -26.10± 1.80
Exposure and fluence thresholds
exp_up- 14.80± 5.80hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 4.9Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 8.1Jy ms
Fit quality
chi_sq- 382564.093
dof- 372085
flag_frac- 0.402