FRB 20190122C
One-off burst
- Arrival, 400 MHz
- 2019-01-22 13:14:22.848 UTC
- Right ascension
- 200.600°
- Declination
- 17.570°
How the sub-bursts differ
This burst has 6 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 | Sub-burst 3 | Sub-burst 4 | Sub-burst 5 | Sub-burst 6 |
|---|---|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 58505.551653187 | 58505.5516532724 | 58505.551653333 | 58505.551653384 | 58505.551653396 | 58505.551653462 |
| Arrival time, infinite frequencyMJD | 58505.55144631 | 58505.5514463952 | 58505.551446456 | 58505.551446507 | 58505.551446519 | 58505.551446585 |
| Width (fitburst)s | 0.001760 | 0.001800 | 0.002940 | <0.0089 | 0.001410 | 0.005000 |
| Peak frequencyMHz | 466.7 | 532.8 | 469.5 | 400.2 | 492.6 | 400.2 |
| Highest frequencyMHz | 800.2 | 800.2 | 714.3 | 669.5 | 800.2 | 715.1 |
| Spectral index | 1.50 | 7.38 | 4.20 | -2.00 | 1.50 | -1.40 |
| Spectral running | -4.80 | -12.89 | -13.10 | -4.00 | -3.50 | -4.40 |
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Position
ra- 200.600± 0.072degrees
dec- 17.570± 0.160degrees
gl- 341.32degrees
gb- 78.07degrees
Detection and dispersion
bonsai_snr- 43.2
snr_fitb- 110.7
bonsai_dm- 690.7pc cm⁻³
dm_fitb- 689.9020± 0.00780pc cm⁻³
dm_exc_ne2001- 665.5pc cm⁻³
dm_exc_ymw16- 669.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58505.551653333± 1.90 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58505.551446456± 1.90 × 10⁻⁸MJD
Burst shape
bc_width- 0.01475s
width_fitbDiffers between sub-bursts.- 0.002940± 0.0006400s
scat_time- 0.000104± 0.0000007s
Flux and spectrum
flux- 4.20± 2.70Jy
fluence- 47.00± 30.00Jy ms
peak_freqDiffers between sub-bursts.- 469.5MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 714.3MHz
sp_idxDiffers between sub-bursts.- 4.20± 1.60
sp_runDiffers between sub-bursts.- -13.10± 2.50
Exposure and fluence thresholds
exp_up- 17.00± 2.40hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 15.1Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 29.6Jy ms
Fit quality
chi_sq- 1043356.419
dof- 1027488
flag_frac- 0.340