FRB 20190423B
One-off burst
- Arrival, 400 MHz
- 2019-04-23 13:51:59.872 UTC
- Right ascension
- 298.580°
- Declination
- 26.190°
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 | 58596.577776201 | 58596.577776297 |
| Arrival time, infinite frequencyMJD | 58596.577600795 | 58596.577600892 |
| Width (fitburst)s | 0.002490 | 0.008500 |
| Peak frequencyMHz | 537.6 | 524.6 |
| Lowest frequencyMHz | 463.8 | 455.6 |
| Highest frequencyMHz | 623.1 | 604.1 |
| Spectral index | 62.40 | 63.00 |
| Spectral running | -106.00 | -116.00 |
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Position
ra- 298.580± 0.210degrees
dec- 26.190± 0.210degrees
gl- 63.18degrees
gb- -0.87degrees
Detection and dispersion
bonsai_snr- 15.9
snr_fitb- 26.6
bonsai_dm- 585.5pc cm⁻³
dm_fitb- 584.9490± 0.02000pc cm⁻³
dm_exc_ne2001- 102.3pc cm⁻³
dm_exc_ymw16- 160.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58596.577776297± 2.70 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58596.577600892± 2.70 × 10⁻⁸MJD
Burst shape
bc_width- 0.00983s
width_fitbDiffers between sub-bursts.- 0.008500± 0.0019000s
scat_time- <0.0030s
Flux and spectrum
flux- 0.87± 0.29Jy
fluence- 7.00± 1.30Jy ms
peak_freqDiffers between sub-bursts.- 524.6MHz
low_freqDiffers between sub-bursts.- 455.6MHz
high_freqDiffers between sub-bursts.- 604.1MHz
sp_idxDiffers between sub-bursts.- 63.00± 16.00
sp_runDiffers between sub-bursts.- -116.00± 30.00
Exposure and fluence thresholds
exp_up- 12.70± 7.60hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 5.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 9.7Jy ms
Fit quality
chi_sq- 962826.153
dof- 962149
flag_frac- 0.382