FRB 20230502D
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 287006560
- Arrival, 400 MHz
- 2023-05-02 16:24:01.602 UTC
- Right ascension
- 345.185°
- Declination
- 48.801°
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 | 60066.683351836524 | 60066.68335187134 |
| Arrival time, infinite frequencyMJD | 60066.68328582644 | 60066.683285861254 |
| Width (fitburst)s | 0.000735 | 0.000857 |
| Peak frequencyMHz | 556.5 | 557.8 |
| Lowest frequencyMHz | 484.2 | 488.3 |
| Highest frequencyMHz | 639.7 | 637.1 |
| Spectral index | 78.32 | 86.42 |
| Spectral running | -118.75 | -130.15 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 345.185± 0.195degrees
dec- 48.801± 0.182degrees
gl- 104.83degrees
gb- -10.14degrees
Detection and dispersion
bonsai_snr- 14.5
snr_fitb- 36.7
bonsai_dm- 219.6pc cm⁻³
dm_fitb- 220.1330± 0.02507pc cm⁻³
dm_exc_ne2001- 87.9pc cm⁻³
dm_exc_ymw16- 91.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60066.68335187134± 3.68 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60066.683285861254± 8.37 × 10⁻⁹MJD
Burst shape
bc_width- 0.00688s
width_fitbDiffers between sub-bursts.- 0.000857± 0.0000733s
scat_time- 0.000000s
Flux and spectrum
flux- 0.90± 0.31Jy
fluence- 3.55± 0.30Jy ms
peak_freqDiffers between sub-bursts.- 557.8MHz
low_freqDiffers between sub-bursts.- 488.3MHz
high_freqDiffers between sub-bursts.- 637.1MHz
sp_idxDiffers between sub-bursts.- 86.42± 12.00
sp_runDiffers between sub-bursts.- -130.15± 17.83
Exposure and fluence thresholds
exp_up- 123.85± 62.42hour
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- 1926451.206
dof- 1927789
flag_frac- 0.274