FRB 20190117A
A burst from FRB20190117A
- Previous name
- 190117.J2207+17
- Repeater
- FRB20190117A
- Event ID
- 27052203
- Arrival, 400 MHz
- 2019-01-17 22:18:32.106 UTC
- Right ascension
- 331.865°
- Declination
- 17.374°
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 | 58500.9295382153 | 58500.92953826756 |
| Arrival time, infinite frequencyMJD | 58500.92942033964 | 58500.929420391905 |
| Width (fitburst)s | 0.001095 | 0.000668 |
| Peak frequencyMHz | 530.4 | 503.9 |
| Lowest frequencyMHz | 461.6 | 438.2 |
| Highest frequencyMHz | 609.4 | 579.4 |
| Spectral index | 67.25 | 54.38 |
| Spectral running | -119.38 | -118.02 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 331.865± 0.182degrees
dec- 17.374± 0.214degrees
gl- 76.44degrees
gb- -30.33degrees
Detection and dispersion
bonsai_snr- 24.2
snr_fitb- 97.5
bonsai_dm- 393.1pc cm⁻³
dm_fitb- 393.0963± 0.01159pc cm⁻³
dm_exc_ne2001- 344.9pc cm⁻³
dm_exc_ymw16- 353.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58500.92953826756± 1.40 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58500.929420391905± 3.74 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000668± 0.0000227s
scat_time- 0.003771± 0.0001397s
Flux and spectrum
flux- 2.39± 1.17Jy
fluence- 11.23± 4.98Jy ms
peak_freqDiffers between sub-bursts.- 503.9MHz
low_freqDiffers between sub-bursts.- 438.2MHz
high_freqDiffers between sub-bursts.- 579.4MHz
sp_idxDiffers between sub-bursts.- 54.38± 1.86
sp_runDiffers between sub-bursts.- -118.02± 3.91
Exposure and fluence thresholds
exp_up- 86.11± 42.54hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 7.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 22.1Jy ms
Fit quality
chi_sq- 1931262.826
dof- 1940748
flag_frac- 0.269