FRB 20190109A
One-off burst
- Event ID
- 25546149
- Arrival, 400 MHz
- 2019-01-09 08:00:30.383 UTC
- Right ascension
- 108.054°
- Declination
- 5.159°
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 | 58492.333684985475 | 58492.33368505952 |
| Arrival time, infinite frequencyMJD | 58492.33358768861 | 58492.33358776265 |
| Width (fitburst)s | 0.001277 | 0.005354 |
| Peak frequencyMHz | 602.9 | 552.0 |
| Highest frequencyMHz | 800.2 | 789.2 |
| Spectral index | 4.60 | 11.58 |
| Spectral running | -5.61 | -18.01 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 108.054± 0.245degrees
dec- 5.159± 0.337degrees
gl- 210.68degrees
gb- 6.96degrees
Detection and dispersion
bonsai_snr- 9.4
snr_fitb- 15.1
bonsai_dm- 325.1pc cm⁻³
dm_fitb- 324.4693± 0.04321pc cm⁻³
dm_exc_ne2001- 177.6pc cm⁻³
dm_exc_ymw16- 120.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58492.333684985475± 7.55 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58492.33358768861± 1.50 × 10⁻⁸MJD
Burst shape
bc_width- 0.00393s
width_fitbDiffers between sub-bursts.- 0.001277± 0.0001509s
scat_time- 0.000000s
Flux and spectrum
flux- 1.36± 0.79Jy
fluence- 4.55± 1.86Jy ms
peak_freqDiffers between sub-bursts.- 602.9MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- 4.60± 2.55
sp_runDiffers between sub-bursts.- -5.61± 3.39
Exposure and fluence thresholds
exp_up- 72.14± 44.14hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 5.4Jy ms
low_ft_95- —
up_ft_95- 10.0Jy ms
Fit quality
chi_sq- 1780800.906
dof- 1781017
flag_frac- 0.329