FRB 20230628B
One-off burst
- Event ID
- 299812433
- Arrival, 400 MHz
- 2023-06-28 03:24:53.001 UTC
- Right ascension
- 204.155°
- Declination
- 75.505°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 60123.14228009936 | 60123.142280233085 |
| Arrival time, infinite frequencyMJD | 60123.14214242365 | 60123.14214255737 |
| Width (fitburst)s | 0.000461 | 0.001035 |
| Peak frequencyMHz | 400.2 | 415.8 |
| Highest frequencyMHz | 800.2 | 629.6 |
| Spectral index | -2.03 | 1.02 |
| Spectral running | -1.34 | -13.37 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 204.155± 0.182degrees
dec- 75.505± 0.211degrees
gl- 119.19degrees
gb- 41.29degrees
Detection and dispersion
bonsai_snr- 15.4
snr_fitb- 22.9
bonsai_dm- 460.2pc cm⁻³
dm_fitb- 459.1263± 0.02116pc cm⁻³
dm_exc_ne2001- 420.0pc cm⁻³
dm_exc_ymw16- 427.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60123.14228009936± 3.65 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60123.14214242365± 7.32 × 10⁻⁹MJD
Burst shape
bc_width- 0.02064s
width_fitbDiffers between sub-bursts.- 0.000461± 0.0001180s
scat_time- 0.007839± 0.0009592s
Flux and spectrum
flux- 0.77± 0.34Jy
fluence- 6.60± 2.62Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- -2.03± 1.28
sp_runDiffers between sub-bursts.- -1.34± 1.98
Exposure and fluence thresholds
exp_up- 277.42± 142.02hour
exp_low- 182.88± 129.62hour
low_ft_68- 15.4Jy ms
up_ft_68- 2.4Jy ms
low_ft_95- 28.2Jy ms
up_ft_95- 4.4Jy ms
Fit quality
chi_sq- 1666293.453
dof- 1666806
flag_frac- 0.372