FRB 20220612A
One-off burst
- Event ID
- 230043265
- Arrival, 400 MHz
- 2022-06-12 16:27:35.460 UTC
- Right ascension
- 27.950°
- Declination
- 30.828°
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 | 59742.68582708106 | 59742.68582710673 |
| Arrival time, infinite frequencyMJD | 59742.68566004629 | 59742.68566007197 |
| Width (fitburst)s | 0.000317 | 0.000490 |
| Peak frequencyMHz | 416.2 | 400.2 |
| Highest frequencyMHz | 629.9 | 680.8 |
| Spectral index | 1.05 | -2.53 |
| Spectral running | -13.40 | -3.40 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 27.950± 0.171degrees
dec- 30.828± 0.029degrees
gl- 137.94degrees
gb- -30.28degrees
Detection and dispersion
bonsai_snr- 26.6
snr_fitb- 36.2
bonsai_dm- 556.8pc cm⁻³
dm_fitb- 557.0339± 0.00219pc cm⁻³
dm_exc_ne2001- 504.8pc cm⁻³
dm_exc_ymw16- 512.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59742.68582708106± 1.63 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59742.68566004629± 6.76 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00393s
width_fitbDiffers between sub-bursts.- 0.000317± 0.0000050s
scat_time- 0.000000s
Flux and spectrum
flux- 1.27± 0.39Jy
fluence- 4.05± 1.04Jy ms
peak_freqDiffers between sub-bursts.- 416.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 629.9MHz
sp_idxDiffers between sub-bursts.- 1.05± 1.03
sp_runDiffers between sub-bursts.- -13.40± 3.04
Exposure and fluence thresholds
exp_up- 74.17± 45.09hour
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- 1783604.501
dof- 1784905
flag_frac- 0.328