FRB 20230418C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 283948743
- Arrival, 400 MHz
- 2023-04-18 17:23:59.520 UTC
- Right ascension
- 347.089°
- Declination
- 48.740°
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 | 60052.72499423186 | 60052.72499444314 |
| Arrival time, infinite frequencyMJD | 60052.72492816439 | 60052.72492837567 |
| Width (fitburst)s | 0.001157 | 0.000812 |
| Peak frequencyMHz | 464.7 | 505.7 |
| Lowest frequencyMHz | 404.3 | 450.6 |
| Highest frequencyMHz | 534.0 | 567.6 |
| Spectral index | 35.52 | 80.95 |
| Spectral running | -118.89 | -172.94 |
Loading
Loading
Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.089± 0.177degrees
dec- 48.740± 0.120degrees
gl- 105.97degrees
gb- -10.71degrees
Detection and dispersion
bonsai_snr- 27.1
snr_fitb- 44.8
bonsai_dm- 220.4pc cm⁻³
dm_fitb- 220.3243± 0.03175pc cm⁻³
dm_exc_ne2001- 94.2pc cm⁻³
dm_exc_ymw16- 97.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60052.72499444314± 4.32 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60052.72492837567± 1.05 × 10⁻⁸MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.000812± 0.0002581s
scat_time- 0.003421± 0.0003816s
Flux and spectrum
flux- 1.31± 0.51Jy
fluence- 3.04± 1.78Jy ms
peak_freqDiffers between sub-bursts.- 505.7MHz
low_freqDiffers between sub-bursts.- 450.6MHz
high_freqDiffers between sub-bursts.- 567.6MHz
sp_idxDiffers between sub-bursts.- 80.95± 18.88
sp_runDiffers between sub-bursts.- -172.94± 40.73
Exposure and fluence thresholds
exp_up- 114.88± 65.83hour
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- 1479965.761
dof- 1481964
flag_frac- 0.442