FRB 20230510H
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Event ID
- 289115819
- Arrival, 400 MHz
- 2023-05-10 18:46:57.348 UTC
- Right ascension
- 29.412°
- Declination
- 65.721°
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 | 60074.782608195776 | 60074.78260826083 |
| Arrival time, infinite frequencyMJD | 60074.78250338242 | 60074.78250344747 |
| Width (fitburst)s | 0.003353 | 0.002174 |
| Peak frequencyMHz | 520.2 | 457.8 |
| Lowest frequencyMHz | 447.9 | 400.2 |
| Highest frequencyMHz | 604.0 | 548.1 |
| Spectral index | 54.02 | 19.13 |
| Spectral running | -103.02 | -71.08 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 29.412± 0.015degrees
dec- 65.721± 0.135degrees
gl- 129.67degrees
gb- 3.72degrees
Detection and dispersion
bonsai_snr- 39.0
snr_fitb- 75.8
bonsai_dm- 349.8pc cm⁻³
dm_fitb- 349.5356± 0.02642pc cm⁻³
dm_exc_ne2001- 150.8pc cm⁻³
dm_exc_ymw16- 26.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60074.782608195776± 3.25 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60074.78250338242± 8.56 × 10⁻⁹MJD
Burst shape
bc_width- 0.01081s
width_fitbDiffers between sub-bursts.- 0.003353± 0.0001297s
scat_time- 0.000000s
Flux and spectrum
flux- 1.56± 0.44Jy
fluence- 14.61± 3.62Jy ms
peak_freqDiffers between sub-bursts.- 520.2MHz
low_freqDiffers between sub-bursts.- 447.9MHz
high_freqDiffers between sub-bursts.- 604.0MHz
sp_idxDiffers between sub-bursts.- 54.02± 3.44
sp_runDiffers between sub-bursts.- -103.02± 6.35
Exposure and fluence thresholds
exp_up- 241.76± 72.95hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.5Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 10.0Jy ms
Fit quality
chi_sq- 1879452.364
dof- 1885183
flag_frac- 0.290