FRB 20230826A
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 312913987
- Arrival, 400 MHz
- 2023-08-26 08:56:51.607 UTC
- Right ascension
- 347.593°
- Declination
- 48.848°
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 | 60182.37281952304 | 60182.37281955772 |
| Arrival time, infinite frequencyMJD | 60182.37275339592 | 60182.372753430594 |
| Width (fitburst)s | 0.000825 | 0.000003 |
| Peak frequencyMHz | 665.4 | 660.1 |
| Lowest frequencyMHz | 557.8 | 552.6 |
| Highest frequencyMHz | 793.8 | 788.5 |
| Spectral index | 75.23 | 72.90 |
| Spectral running | -73.98 | -72.84 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.593± 0.020degrees
dec- 48.848± 0.078degrees
gl- 106.32degrees
gb- -10.74degrees
Detection and dispersion
bonsai_snr- 36.6
snr_fitb- 78.6
bonsai_dm- 220.4pc cm⁻³
dm_fitb- 220.5233± 0.00123pc cm⁻³
dm_exc_ne2001- 94.6pc cm⁻³
dm_exc_ymw16- 97.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60182.37281952304± 4.28 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 60182.37275339592± 5.66 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000825± 0.0000304s
scat_time- 0.007387± 0.0002629s
Flux and spectrum
flux- 2.23± 0.70Jy
fluence- 9.24± 2.56Jy ms
peak_freqDiffers between sub-bursts.- 665.4MHz
low_freqDiffers between sub-bursts.- 557.8MHz
high_freqDiffers between sub-bursts.- 793.8MHz
sp_idxDiffers between sub-bursts.- 75.23± 3.87
sp_runDiffers between sub-bursts.- -73.98± 3.78
Exposure and fluence thresholds
exp_up- 140.92± 49.99hour
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- 1738394.976
dof- 1744566
flag_frac- 0.343