FRB 20190122C
One-off burst
- Event ID
- 27687783
- Arrival, 400 MHz
- 2019-01-22 13:14:22.846 UTC
- Right ascension
- 199.280°
- Declination
- 17.559°
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 | 58505.551653246286 | 58505.551653309434 |
| Arrival time, infinite frequencyMJD | 58505.55144639994 | 58505.55144646309 |
| Width (fitburst)s | 0.001364 | 0.005208 |
| Peak frequencyMHz | 480.4 | 424.8 |
| Highest frequencyMHz | 766.6 | 768.7 |
| Spectral index | 3.85 | 0.78 |
| Spectral running | -10.54 | -6.54 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 199.280± 0.042degrees
dec- 17.559± 0.151degrees
gl- 336.04degrees
gb- 78.74degrees
Detection and dispersion
bonsai_snr- 43.2
snr_fitb- 107.4
bonsai_dm- 690.7pc cm⁻³
dm_fitb- 689.7991± 0.01431pc cm⁻³
dm_exc_ne2001- 664.9pc cm⁻³
dm_exc_ymw16- 669.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58505.551653309434± 4.67 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58505.55144646309± 6.34 × 10⁻⁹MJD
Burst shape
bc_width- 0.01475s
width_fitbDiffers between sub-bursts.- 0.005208± 0.0002344s
scat_time- 0.009553± 0.0006222s
Flux and spectrum
flux- 4.30± 2.80Jy
fluence- 47.42± 29.84Jy ms
peak_freqDiffers between sub-bursts.- 424.8MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 768.7MHz
sp_idxDiffers between sub-bursts.- 0.78± 0.48
sp_runDiffers between sub-bursts.- -6.54± 0.83
Exposure and fluence thresholds
exp_up- 104.06± 18.37hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.1Jy ms
low_ft_95- —
up_ft_95- 2.3Jy ms
Fit quality
chi_sq- 1809010.503
dof- 1820544
flag_frac- 0.314