FRB 20190804E
A burst from FRB20190804E
- Repeater
- FRB20190804E
- Event ID
- 46439431
- Arrival, 400 MHz
- 2019-08-04 04:36:41.426 UTC
- Right ascension
- 261.218°
- Declination
- 55.011°
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 | 58699.19214600732 | 58699.19214613402 | 58699.19214623684 |
| Arrival time, infinite frequencyMJD | 58699.19203720826 | 58699.19203733496 | 58699.19203743778 |
| Width (fitburst)s | 0.004033 | 0.003955 | 0.000984 |
| Peak frequencyMHz | 491.6 | 451.6 | 436.2 |
| Lowest frequencyMHz | 438.6 | 406.0 | 400.2 |
| Highest frequencyMHz | 551.1 | 502.2 | 477.9 |
| Spectral index | 72.64 | 49.21 | 47.45 |
| Spectral running | -176.55 | -203.77 | -275.66 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 261.218± 0.165degrees
dec- 55.011± 0.034degrees
gl- 82.82degrees
gb- 34.18degrees
Detection and dispersion
bonsai_snr- 33.6
snr_fitb- 101.6
bonsai_dm- 360.7pc cm⁻³
dm_fitb- 362.8273± 0.01505pc cm⁻³
dm_exc_ne2001- 319.5pc cm⁻³
dm_exc_ymw16- 326.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58699.19214613402± 3.79 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58699.19203733496± 5.89 × 10⁻⁹MJD
Burst shape
bc_width- 0.00393s
width_fitbDiffers between sub-bursts.- 0.003955± 0.0003119s
scat_time- 0.001572± 0.0000809s
Flux and spectrum
flux- 0.93± 0.25Jy
fluence- 6.46± 1.52Jy ms
peak_freqDiffers between sub-bursts.- 451.6MHz
low_freqDiffers between sub-bursts.- 406.0MHz
high_freqDiffers between sub-bursts.- 502.2MHz
sp_idxDiffers between sub-bursts.- 49.21± 6.94
sp_runDiffers between sub-bursts.- -203.77± 28.59
Exposure and fluence thresholds
exp_up- 137.10± 70.40hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.5Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 5.4Jy ms
Fit quality
chi_sq- 2072503.383
dof- 2082817
flag_frac- 0.215