FRB 20220124A
One-off burst
- Event ID
- 208781830
- Arrival, 400 MHz
- 2022-01-24 17:30:02.517 UTC
- Right ascension
- 266.776°
- Declination
- 48.571°
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 | 59603.7291950784 | 59603.72919579919 |
| Arrival time, infinite frequencyMJD | 59603.72911446648 | 59603.72911518726 |
| Width (fitburst)s | 0.000003 | 0.001927 |
| Peak frequencyMHz | 428.1 | 439.2 |
| Highest frequencyMHz | 495.2 | 510.6 |
| Spectral index | 14.67 | 18.85 |
| Spectral running | -108.66 | -101.40 |
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Position
ra- 266.776± 0.211degrees
dec- 48.571± 0.213degrees
gl- 75.49degrees
gb- 30.33degrees
Detection and dispersion
bonsai_snr- 19.1
snr_fitb- 36.7
bonsai_dm- 268.9pc cm⁻³
dm_fitb- 268.8277± 0.00378pc cm⁻³
dm_exc_ne2001- 220.9pc cm⁻³
dm_exc_ymw16- 228.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59603.72919579919± 3.32 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59603.72911518726± 3.50 × 10⁻⁹MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.001927± 0.0003567s
scat_time- 0.008374± 0.0004925s
Flux and spectrum
flux- 0.91± 0.43Jy
fluence- 4.84± 1.62Jy ms
peak_freqDiffers between sub-bursts.- 439.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 510.6MHz
sp_idxDiffers between sub-bursts.- 18.85± 4.36
sp_runDiffers between sub-bursts.- -101.40± 19.62
Exposure and fluence thresholds
exp_up- 107.08± 65.77hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.1Jy ms
low_ft_95- —
up_ft_95- 3.8Jy ms
Fit quality
chi_sq- 1916897.758
dof- 1918230
flag_frac- 0.277