FRB 20190411C
One-off burst
- Event ID
- 36370989
- Arrival, 400 MHz
- 2019-04-11 19:20:36.378 UTC
- Right ascension
- 9.407°
- Declination
- 20.502°
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 | 58584.80597659636 | 58584.80597665676 |
| Arrival time, infinite frequencyMJD | 58584.8059065309 | 58584.8059065913 |
| Width (fitburst)s | 0.000978 | 0.000700 |
| Peak frequencyMHz | 647.3 | 656.3 |
| Lowest frequencyMHz | 555.7 | 583.4 |
| Highest frequencyMHz | 754.0 | 738.3 |
| Spectral index | 95.10 | 164.31 |
| Spectral running | -98.88 | -166.07 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 9.407± 0.051degrees
dec- 20.502± 0.203degrees
gl- 118.56degrees
gb- -42.25degrees
Detection and dispersion
bonsai_snr- 32.2
snr_fitb- 48.1
bonsai_dm- 234.5pc cm⁻³
dm_fitb- 233.6570± 0.03014pc cm⁻³
dm_exc_ne2001- 194.9pc cm⁻³
dm_exc_ymw16- 203.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58584.80597659636± 5.59 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58584.8059065309± 1.06 × 10⁻⁸MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000978± 0.0000235s
scat_time- 0.000000s
Flux and spectrum
flux- 3.57± 1.01Jy
fluence- 10.70± 2.57Jy ms
peak_freqDiffers between sub-bursts.- 647.3MHz
low_freqDiffers between sub-bursts.- 555.7MHz
high_freqDiffers between sub-bursts.- 754.0MHz
sp_idxDiffers between sub-bursts.- 95.10± 6.93
sp_runDiffers between sub-bursts.- -98.88± 7.16
Exposure and fluence thresholds
exp_up- 99.24± 36.25hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.3Jy ms
low_ft_95- —
up_ft_95- 2.3Jy ms
Fit quality
chi_sq- 1987211.402
dof- 1989511
flag_frac- 0.250