FRB 20220614A
One-off burst
- Event ID
- 230369907
- Arrival, 400 MHz
- 2022-06-14 00:39:04.220 UTC
- Right ascension
- 152.117°
- Declination
- 42.820°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 59744.027132181196 | 59744.02713220717 | 59744.0271324199 |
| Arrival time, infinite frequencyMJD | 59744.02705007054 | 59744.027050096505 | 59744.02705030923 |
| Width (fitburst)s | 0.000335 | 0.000657 | 0.002635 |
| Peak frequencyMHz | 453.8 | 465.0 | 450.5 |
| Lowest frequencyMHz | 400.2 | 401.0 | 400.2 |
| Highest frequencyMHz | 525.9 | 539.3 | 534.6 |
| Spectral index | 26.60 | 31.45 | 18.63 |
| Spectral running | -105.84 | -104.73 | -78.63 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 152.117± 0.185degrees
dec- 42.820± 0.184degrees
gl- 176.64degrees
gb- 53.56degrees
Detection and dispersion
bonsai_snr- 30.6
snr_fitb- 53.0
bonsai_dm- 273.8pc cm⁻³
dm_fitb- 273.8258± 0.00373pc cm⁻³
dm_exc_ne2001- 237.8pc cm⁻³
dm_exc_ymw16- 250.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59744.027132181196± 2.68 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59744.02705007054± 1.15 × 10⁻⁹MJD
Burst shape
bc_width- 0.00393s
width_fitbDiffers between sub-bursts.- 0.000335± 0.0000058s
scat_time- 0.000000s
Flux and spectrum
flux- 0.54± 0.15Jy
fluence- 2.37± 0.62Jy ms
peak_freqDiffers between sub-bursts.- 453.8MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 525.9MHz
sp_idxDiffers between sub-bursts.- 26.60± 1.71
sp_runDiffers between sub-bursts.- -105.84± 6.36
Exposure and fluence thresholds
exp_up- 107.72± 52.29hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.1Jy ms
low_ft_95- —
up_ft_95- 1.9Jy ms
Fit quality
chi_sq- 1736911.967
dof- 1739702
flag_frac- 0.345