FRB 20221215A
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 255528071
- Arrival, 400 MHz
- 2022-12-15 01:24:52.166 UTC
- Right ascension
- 344.424°
- Declination
- 48.800°
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 | 59928.05893705925 | 59928.05893711156 |
| Arrival time, infinite frequencyMJD | 59928.058871145055 | 59928.05887119736 |
| Width (fitburst)s | 0.001231 | 0.001484 |
| Peak frequencyMHz | 439.6 | 428.9 |
| Lowest frequencyMHz | 410.5 | 400.2 |
| Highest frequencyMHz | 470.7 | 464.3 |
| Spectral index | 92.14 | 50.63 |
| Spectral running | -491.14 | -365.81 |
Loading
Loading
Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 344.424± 0.216degrees
dec- 48.800± 0.223degrees
gl- 104.36degrees
gb- -9.93degrees
Detection and dispersion
bonsai_snr- 11.7
snr_fitb- 23.5
bonsai_dm- 219.6pc cm⁻³
dm_fitb- 219.8132± 0.08485pc cm⁻³
dm_exc_ne2001- 85.2pc cm⁻³
dm_exc_ymw16- 88.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59928.05893711156± 3.64 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59928.05887119736± 2.57 × 10⁻⁸MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.001484± 0.0002081s
scat_time- 0.000000s
Flux and spectrum
flux- 0.63± 0.33Jy
fluence- 4.38± 1.34Jy ms
peak_freqDiffers between sub-bursts.- 428.9MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 464.3MHz
sp_idxDiffers between sub-bursts.- 50.63± 10.12
sp_runDiffers between sub-bursts.- -365.81± 68.07
Exposure and fluence thresholds
exp_up- 116.01± 65.17hour
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- 1905702.805
dof- 1906243
flag_frac- 0.282