FRB 20230314D
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 276413884
- Arrival, 400 MHz
- 2023-03-14 19:34:38.397 UTC
- Right ascension
- 345.023°
- Declination
- 48.790°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 60017.815722049636 | 60017.815722111794 | 60017.81572218488 |
| Arrival time, infinite frequencyMJD | 60017.815655914244 | 60017.8156559764 | 60017.81565604949 |
| Width (fitburst)s | 0.001511 | 0.002127 | 0.001974 |
| Peak frequencyMHz | 651.7 | 623.2 | 585.3 |
| Lowest frequencyMHz | 565.7 | 536.6 | 505.0 |
| Highest frequencyMHz | 750.7 | 723.7 | 678.4 |
| Spectral index | 112.19 | 91.16 | 80.40 |
| Spectral running | -115.03 | -102.92 | -105.73 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 345.023± 0.031degrees
dec- 48.790± 0.168degrees
gl- 104.72degrees
gb- -10.11degrees
Detection and dispersion
bonsai_snr- 27.5
snr_fitb- 203.7
bonsai_dm- 220.8pc cm⁻³
dm_fitb- 220.5508± 0.01698pc cm⁻³
dm_exc_ne2001- 87.9pc cm⁻³
dm_exc_ymw16- 91.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60017.81572218488± 2.56 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60017.81565604949± 5.70 × 10⁻⁹MJD
Burst shape
bc_width- 0.01573s
width_fitbDiffers between sub-bursts.- 0.001974± 0.0000284s
scat_time- 0.000000s
Flux and spectrum
flux- 4.91± 1.68Jy
fluence- 38.16± 12.13Jy ms
peak_freqDiffers between sub-bursts.- 585.3MHz
low_freqDiffers between sub-bursts.- 505.0MHz
high_freqDiffers between sub-bursts.- 678.4MHz
sp_idxDiffers between sub-bursts.- 80.40± 1.18
sp_runDiffers between sub-bursts.- -105.73± 1.58
Exposure and fluence thresholds
exp_up- 120.07± 65.15hour
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- 1871708.190
dof- 1913204
flag_frac- 0.279