FRB 20230623A
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 298768864
- Arrival, 400 MHz
- 2023-06-23 12:55:36.913 UTC
- Right ascension
- 344.856°
- Declination
- 48.673°
How the sub-bursts differ
This burst has 5 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 | Sub-burst 4 | Sub-burst 5 |
|---|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 60118.53862024028 | 60118.538621465814 | 60118.53862167466 | 60118.538623423425 | 60118.53862376648 |
| Arrival time, infinite frequencyMJD | 60118.5385540729 | 60118.53855529843 | 60118.53855550728 | 60118.53855725604 | 60118.538557599095 |
| Width (fitburst)s | 0.008834 | 0.004854 | 0.011147 | 0.003503 | 0.004807 |
| Peak frequencyMHz | 449.7 | 468.2 | 447.1 | 472.7 | 476.0 |
| Lowest frequencyMHz | 429.7 | 429.3 | 420.8 | 444.6 | 431.7 |
| Highest frequencyMHz | 470.6 | 510.5 | 475.0 | 502.5 | 524.8 |
| Spectral index | 258.22 | 96.28 | 138.59 | 205.05 | 83.72 |
| Spectral running | -1107.42 | -306.94 | -625.44 | -616.05 | -241.43 |
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Notes
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence could not be determined due to an unspecified computational failure in the fluence pipeline.
Position
ra- 344.856± 0.186degrees
dec- 48.673± 0.058degrees
gl- 104.57degrees
gb- -10.16degrees
Detection and dispersion
bonsai_snr- 16.4
snr_fitb- 45.9
bonsai_dm- 220.8pc cm⁻³
dm_fitb- 220.6575± 0.16706pc cm⁻³
dm_exc_ne2001- 88.6pc cm⁻³
dm_exc_ymw16- 92.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60118.53862167466± 4.17 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 60118.53855550728± 6.52 × 10⁻⁸MJD
Burst shape
bc_width- 0.01376s
width_fitbDiffers between sub-bursts.- 0.011147± 0.0021734s
scat_time- 0.000000s
Flux and spectrum
flux- —
fluence- —
peak_freqDiffers between sub-bursts.- 447.1MHz
low_freqDiffers between sub-bursts.- 420.8MHz
high_freqDiffers between sub-bursts.- 475.0MHz
sp_idxDiffers between sub-bursts.- 138.59± 33.25
sp_runDiffers between sub-bursts.- -625.44± 148.11
Exposure and fluence thresholds
exp_up- 99.89± 69.55hour
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- 7231183.336
dof- 7233262
flag_frac- 0.323