FRB 20190715A
One-off burst
- Event ID
- 44292143
- Arrival, 400 MHz
- 2019-07-15 13:57:53.025 UTC
- Right ascension
- 23.270°
- Declination
- 44.564°
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 | 58679.581863836545 | 58679.581863712854 |
| Arrival time, infinite frequencyMJD | 58679.58150268521 | 58679.581502561516 |
| Width (fitburst)s | 0.000716 | 0.000186 |
| Peak frequencyMHz | 422.6 | 433.9 |
| Highest frequencyMHz | 473.6 | 497.2 |
| Spectral index | 19.21 | 20.02 |
| Spectral running | -176.64 | -123.90 |
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Notes
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence could not be determined due to an unspecified computational failure in the fluence pipeline.
Position
ra- 23.270± 0.213degrees
dec- 44.564± 0.211degrees
gl- 130.70degrees
gb- -17.68degrees
Detection and dispersion
bonsai_snr- 13.1
snr_fitb- 25.4
bonsai_dm- 1200.2pc cm⁻³
dm_fitb- 1204.3813± 0.05610pc cm⁻³
dm_exc_ne2001- 1121.7pc cm⁻³
dm_exc_ymw16- 1121.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58679.581863712854± 4.14 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58679.581502561516± 1.73 × 10⁻⁸MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.000186± 0.0003390s
scat_time- 0.005285± 0.0004962s
Flux and spectrum
flux- —
fluence- —
peak_freqDiffers between sub-bursts.- 433.9MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 497.2MHz
sp_idxDiffers between sub-bursts.- 20.02± 21.77
sp_runDiffers between sub-bursts.- -123.90± 107.27
Exposure and fluence thresholds
exp_up- 108.23± 61.67hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- —
low_ft_95- —
up_ft_95- —
Fit quality
chi_sq- 2077167.592
dof- 2077800
flag_frac- 0.217