FRB 20221206I
One-off burst
- Event ID
- 254320055
- Arrival, 400 MHz
- 2022-12-06 22:46:34.080 UTC
- Right ascension
- 296.726°
- Declination
- 64.560°
How the sub-bursts differ
This burst has 2 sub-bursts. These 6 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 | 59919.94900554996 | 59919.94900558311 |
| Arrival time, infinite frequencyMJD | 59919.948793526695 | 59919.94879355985 |
| Width (fitburst)s | 0.000473 | 0.001047 |
| Peak frequencyMHz | 560.0 | 429.9 |
| Spectral index | 2.08 | 0.26 |
| Spectral running | -3.10 | -1.82 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 296.726± 0.129degrees
dec- 64.560± 0.130degrees
gl- 96.81degrees
gb- 18.67degrees
Detection and dispersion
bonsai_snr- 73.9
snr_fitb- 102.1
bonsai_dm- 706.4pc cm⁻³
dm_fitb- 707.0633± 0.00125pc cm⁻³
dm_exc_ne2001- 633.6pc cm⁻³
dm_exc_ymw16- 631.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59919.94900554996± 2.07 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59919.948793526695± 4.28 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000473± 0.0000056s
scat_time- 0.000000s
Flux and spectrum
flux- 5.12± 1.37Jy
fluence- 20.08± 4.98Jy ms
peak_freqDiffers between sub-bursts.- 560.0MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 2.08± 0.26
sp_runDiffers between sub-bursts.- -3.10± 0.34
Exposure and fluence thresholds
exp_up- 248.45± 35.50hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.1Jy ms
low_ft_95- —
up_ft_95- 3.6Jy ms
Fit quality
chi_sq- 1872022.391
dof- 1882429
flag_frac- 0.291