FRB 20230629J
One-off burst
- Event ID
- 300093040
- Arrival, 400 MHz
- 2023-06-29 15:10:55.482 UTC
- Right ascension
- 26.259°
- Declination
- 70.630°
How the sub-bursts differ
This burst has 2 sub-bursts. These 6 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 | 60124.63258650073 | 60124.63258659314 |
| Arrival time, infinite frequencyMJD | 60124.63238243452 | 60124.63238252693 |
| Width (fitburst)s | 0.000231 | 0.000534 |
| Peak frequencyMHz | 800.2 | 400.2 |
| Spectral index | 0.36 | -1.42 |
| Spectral running | 1.30 | 1.15 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 26.259± 0.241degrees
dec- 70.630± 0.257degrees
gl- 127.39degrees
gb- 8.22degrees
Detection and dispersion
bonsai_snr- 8.9
snr_fitb- 14.3
bonsai_dm- 679.8pc cm⁻³
dm_fitb- 680.5278± 0.00321pc cm⁻³
dm_exc_ne2001- 531.0pc cm⁻³
dm_exc_ymw16- 448.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60124.63258659314± 7.12 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 60124.63238252693± 1.20 × 10⁻⁹MJD
Burst shape
bc_width- 0.01376s
width_fitbDiffers between sub-bursts.- 0.000534± 0.0000420s
scat_time- 0.000000s
Flux and spectrum
flux- 0.89± 0.69Jy
fluence- 3.75± 2.35Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- -1.42± 1.68
sp_runDiffers between sub-bursts.- 1.15± 2.26
Exposure and fluence thresholds
exp_up- 230.81± 132.89hour
exp_low- 220.71± 48.90hour
low_ft_68- 31.8Jy ms
up_ft_68- 3.2Jy ms
low_ft_95- 66.7Jy ms
up_ft_95- 6.8Jy ms
Fit quality
chi_sq- 1773857.277
dof- 1774051
flag_frac- 0.332