FRB 20221203K
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 253667170
- Arrival, 400 MHz
- 2022-12-03 02:23:09.448 UTC
- Right ascension
- 347.204°
- Declination
- 48.798°
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 | 59916.09941410494 | 59916.09941436156 | 59916.09941490529 |
| Arrival time, infinite frequencyMJD | 59916.099347478535 | 59916.09934773516 | 59916.09934827889 |
| Width (fitburst)s | 0.006012 | 0.005793 | 0.004973 |
| Peak frequencyMHz | 468.4 | 474.9 | 531.5 |
| Lowest frequencyMHz | 405.2 | 425.9 | 433.4 |
| Highest frequencyMHz | 541.5 | 529.5 | 651.7 |
| Spectral index | 34.47 | 66.55 | 31.42 |
| Spectral running | -109.48 | -194.47 | -55.37 |
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Position
ra- 347.204± 0.222degrees
dec- 48.798± 0.232degrees
gl- 106.06degrees
gb- -10.68degrees
Detection and dispersion
bonsai_snr- 10.4
snr_fitb- 23.6
bonsai_dm- 221.6pc cm⁻³
dm_fitb- 222.1883± 0.19146pc cm⁻³
dm_exc_ne2001- 95.8pc cm⁻³
dm_exc_ymw16- 98.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59916.09941490529± 2.55 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59916.09934827889± 6.28 × 10⁻⁸MJD
Burst shape
bc_width- 0.03637s
width_fitbDiffers between sub-bursts.- 0.004973± 0.0004857s
scat_time- 0.000000s
Flux and spectrum
flux- 0.39± 0.31Jy
fluence- 9.00± 4.43Jy ms
peak_freqDiffers between sub-bursts.- 531.5MHz
low_freqDiffers between sub-bursts.- 433.4MHz
high_freqDiffers between sub-bursts.- 651.7MHz
sp_idxDiffers between sub-bursts.- 31.42± 5.18
sp_runDiffers between sub-bursts.- -55.37± 8.88
Exposure and fluence thresholds
exp_up- 114.28± 65.80hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.6Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.1Jy ms
Fit quality
chi_sq- 1935344.915
dof- 1935884
flag_frac- 0.271