FRB 20221115B
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 252301190
- Arrival, 400 MHz
- 2022-11-15 03:39:17.586 UTC
- Right ascension
- 349.752°
- Declination
- 48.803°
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 | 59898.15228680131 | 59898.15228687832 |
| Arrival time, infinite frequencyMJD | 59898.15222078608 | 59898.15222086309 |
| Width (fitburst)s | 0.002143 | 0.001818 |
| Peak frequencyMHz | 495.1 | 461.4 |
| Lowest frequencyMHz | 427.1 | 419.6 |
| Highest frequencyMHz | 573.9 | 507.5 |
| Spectral index | 44.88 | 72.45 |
| Spectral running | -105.46 | -254.44 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 349.752± 0.181degrees
dec- 48.803± 0.184degrees
gl- 107.65degrees
gb- -11.31degrees
Detection and dispersion
bonsai_snr- 19.7
snr_fitb- 34.4
bonsai_dm- 220.4pc cm⁻³
dm_fitb- 220.1501± 0.06103pc cm⁻³
dm_exc_ne2001- 99.8pc cm⁻³
dm_exc_ymw16- 102.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59898.15228687832± 6.17 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59898.15222086309± 1.93 × 10⁻⁸MJD
Burst shape
bc_width- 0.01180s
width_fitbDiffers between sub-bursts.- 0.001818± 0.0003296s
scat_time- 0.000000s
Flux and spectrum
flux- 0.74± 0.34Jy
fluence- 4.27± 1.61Jy ms
peak_freqDiffers between sub-bursts.- 461.4MHz
low_freqDiffers between sub-bursts.- 419.6MHz
high_freqDiffers between sub-bursts.- 507.5MHz
sp_idxDiffers between sub-bursts.- 72.45± 17.47
sp_runDiffers between sub-bursts.- -254.44± 62.45
Exposure and fluence thresholds
exp_up- 123.81± 61.89hour
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- 748146.112
dof- 749321
flag_frac- 0.262