FRB 20230316E
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 276957308
- Arrival, 400 MHz
- 2023-03-16 19:34:29.991 UTC
- Right ascension
- 347.265°
- Declination
- 48.804°
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 | 60019.81562467161 | 60019.815624890485 |
| Arrival time, infinite frequencyMJD | 60019.815557978196 | 60019.81555819707 |
| Width (fitburst)s | 0.005410 | 0.005848 |
| Peak frequencyMHz | 537.1 | 479.9 |
| Lowest frequencyMHz | 470.4 | 419.1 |
| Highest frequencyMHz | 613.4 | 549.5 |
| Spectral index | 76.90 | 45.60 |
| Spectral running | -130.65 | -125.56 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.265± 0.187degrees
dec- 48.804± 0.187degrees
gl- 106.10degrees
gb- -10.69degrees
Detection and dispersion
bonsai_snr- 20.0
snr_fitb- 33.1
bonsai_dm- 224.8pc cm⁻³
dm_fitb- 222.4117± 0.15844pc cm⁻³
dm_exc_ne2001- 96.1pc cm⁻³
dm_exc_ymw16- 99.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60019.815624890485± 1.47 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 60019.81555819707± 4.97 × 10⁻⁸MJD
Burst shape
bc_width- 0.02851s
width_fitbDiffers between sub-bursts.- 0.005848± 0.0003253s
scat_time- 0.000000s
Flux and spectrum
flux- 0.45± 0.20Jy
fluence- 10.52± 2.83Jy ms
peak_freqDiffers between sub-bursts.- 479.9MHz
low_freqDiffers between sub-bursts.- 419.1MHz
high_freqDiffers between sub-bursts.- 549.5MHz
sp_idxDiffers between sub-bursts.- 45.60± 4.61
sp_runDiffers between sub-bursts.- -125.56± 12.23
Exposure and fluence thresholds
exp_up- 123.53± 61.35hour
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- 1973686.361
dof- 1974769
flag_frac- 0.256