FRB 20221206A
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 254196265
- Arrival, 400 MHz
- 2022-12-06 02:05:55.500 UTC
- Right ascension
- 347.081°
- Declination
- 48.810°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 59919.08744786502 | 59919.08744791387 |
| Arrival time, infinite frequencyMJD | 59919.08738127888 | 59919.08738132773 |
| Width (fitburst)s | 0.007673 | 0.005348 |
| Peak frequencyMHz | 528.2 | 403.2 |
| Lowest frequencyMHz | 465.7 | 400.2 |
| Highest frequencyMHz | 599.0 | 494.7 |
| Spectral index | 80.57 | 0.81 |
| Spectral running | -145.21 | -55.01 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.081± 0.169degrees
dec- 48.810± 0.183degrees
gl- 105.99degrees
gb- -10.64degrees
Detection and dispersion
bonsai_snr- 16.4
snr_fitb- 26.0
bonsai_dm- 222.4pc cm⁻³
dm_fitb- 222.0540± 0.32430pc cm⁻³
dm_exc_ne2001- 95.2pc cm⁻³
dm_exc_ymw16- 98.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59919.08744791387± 9.55 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59919.08738132773± 9.77 × 10⁻⁸MJD
Burst shape
bc_width- 0.01769s
width_fitbDiffers between sub-bursts.- 0.005348± 0.0004830s
scat_time- 0.000000s
Flux and spectrum
flux- 0.52± 0.27Jy
fluence- 6.56± 1.93Jy ms
peak_freqDiffers between sub-bursts.- 403.2MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 494.7MHz
sp_idxDiffers between sub-bursts.- 0.81± 5.92
sp_runDiffers between sub-bursts.- -55.01± 42.06
Exposure and fluence thresholds
exp_up- 127.88± 59.30hour
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- 1922426.387
dof- 1923091
flag_frac- 0.275