FRB 20221114B
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 252180216
- Arrival, 400 MHz
- 2022-11-14 03:37:54.562 UTC
- Right ascension
- 347.225°
- Declination
- 48.677°
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 | 59897.15132590755 | 59897.151325952946 | 59897.151326311476 |
| Arrival time, infinite frequencyMJD | 59897.15125991774 | 59897.15125996313 | 59897.15126032166 |
| Width (fitburst)s | 0.005462 | 0.003612 | 0.002374 |
| Peak frequencyMHz | 544.4 | 432.8 | 448.3 |
| Lowest frequencyMHz | 475.4 | 400.2 | 401.3 |
| Highest frequencyMHz | 623.4 | 477.9 | 500.9 |
| Spectral index | 77.12 | 36.75 | 42.50 |
| Spectral running | -125.32 | -234.56 | -187.06 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.225± 0.167degrees
dec- 48.677± 0.045degrees
gl- 106.02degrees
gb- -10.80degrees
Detection and dispersion
bonsai_snr- 27.2
snr_fitb- 79.8
bonsai_dm- 220.8pc cm⁻³
dm_fitb- 220.0654± 0.05144pc cm⁻³
dm_exc_ne2001- 94.8pc cm⁻³
dm_exc_ymw16- 97.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59897.151325952946± 4.46 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59897.15125996313± 1.61 × 10⁻⁸MJD
Burst shape
bc_width- 0.05014s
width_fitbDiffers between sub-bursts.- 0.003612± 0.0002981s
scat_time- 0.004117± 0.0004709s
Flux and spectrum
flux- 1.01± 0.42Jy
fluence- 11.74± 4.92Jy ms
peak_freqDiffers between sub-bursts.- 432.8MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 477.9MHz
sp_idxDiffers between sub-bursts.- 36.75± 6.16
sp_runDiffers between sub-bursts.- -234.56± 38.12
Exposure and fluence thresholds
exp_up- 100.78± 64.70hour
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- 1953020.075
dof- 1959373
flag_frac- 0.262