FRB 20190806C
One-off burst
- Event ID
- 46818256
- Arrival, 400 MHz
- 2019-08-06 07:33:05.782 UTC
- Right ascension
- 311.848°
- Declination
- 83.401°
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 | 58701.31465011933 | 58701.31465025158 | 58701.31465033591 |
| Arrival time, infinite frequencyMJD | 58701.31419939698 | 58701.31419952923 | 58701.31419961355 |
| Width (fitburst)s | 0.001353 | 0.002480 | 0.000028 |
| Peak frequencyMHz | 478.1 | 475.5 | 463.7 |
| Lowest frequencyMHz | 427.1 | 437.4 | 412.1 |
| Highest frequencyMHz | 535.1 | 517.0 | 521.7 |
| Spectral index | 64.37 | 113.67 | 48.69 |
| Spectral running | -181.03 | -329.51 | -165.39 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 311.848± 0.205degrees
dec- 83.401± 0.248degrees
gl- 116.62degrees
gb- 23.79degrees
Detection and dispersion
bonsai_snr- 16.1
snr_fitb- 33.7
bonsai_dm- 1507.5pc cm⁻³
dm_fitb- 1503.0862± 0.01066pc cm⁻³
dm_exc_ne2001- 1441.7pc cm⁻³
dm_exc_ymw16- 1441.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58701.31465025158± 4.98 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58701.31419952923± 5.92 × 10⁻⁹MJD
Burst shape
bc_width- 0.03047s
width_fitbDiffers between sub-bursts.- 0.002480± 0.0005119s
scat_time- 0.006863± 0.0004780s
Flux and spectrum
flux- 0.57± 0.42Jy
fluence- 5.26± 2.67Jy ms
peak_freqDiffers between sub-bursts.- 475.5MHz
low_freqDiffers between sub-bursts.- 437.4MHz
high_freqDiffers between sub-bursts.- 517.0MHz
sp_idxDiffers between sub-bursts.- 113.67± 28.19
sp_runDiffers between sub-bursts.- -329.51± 80.86
Exposure and fluence thresholds
exp_up- 613.74± 326.48hour
exp_low- 652.43± 342.76hour
low_ft_68- 10.8Jy ms
up_ft_68- 5.0Jy ms
low_ft_95- 21.5Jy ms
up_ft_95- 10.3Jy ms
Fit quality
chi_sq- 1870286.021
dof- 1871407
flag_frac- 0.295