FRB 20220618C
A burst from FRB20220618C
- Repeater
- FRB20220618C
- Event ID
- 231150454
- Arrival, 400 MHz
- 2022-06-18 17:14:39.789 UTC
- Right ascension
- 46.144°
- Declination
- 13.392°
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 | 59748.71851595231 | 59748.71851607065 |
| Arrival time, infinite frequencyMJD | 59748.71845988053 | 59748.718459998876 |
| Width (fitburst)s | 0.002355 | 0.000716 |
| Peak frequencyMHz | 517.2 | 515.0 |
| Lowest frequencyMHz | 400.2 | 417.5 |
| Highest frequencyMHz | 683.6 | 635.2 |
| Spectral index | 15.16 | 26.38 |
| Spectral running | -29.57 | -52.30 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 46.144± 0.208degrees
dec- 13.392± 0.064degrees
gl- 165.71degrees
gb- -38.18degrees
Detection and dispersion
bonsai_snr- 32.4
snr_fitb- 95.3
bonsai_dm- 187.2pc cm⁻³
dm_fitb- 186.9903± 0.01331pc cm⁻³
dm_exc_ne2001- 140.8pc cm⁻³
dm_exc_ymw16- 145.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59748.71851607065± 1.68 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59748.718459998876± 4.33 × 10⁻⁹MJD
Burst shape
bc_width- 0.00786s
width_fitbDiffers between sub-bursts.- 0.000716± 0.0000475s
scat_time- 0.000000s
Flux and spectrum
flux- 3.37± 1.12Jy
fluence- 27.27± 8.60Jy ms
peak_freqDiffers between sub-bursts.- 515.0MHz
low_freqDiffers between sub-bursts.- 417.5MHz
high_freqDiffers between sub-bursts.- 635.2MHz
sp_idxDiffers between sub-bursts.- 26.38± 4.27
sp_runDiffers between sub-bursts.- -52.30± 7.91
Exposure and fluence thresholds
exp_up- 62.50± 47.97hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 5.0Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 20.3Jy ms
Fit quality
chi_sq- 1660977.364
dof- 1670047
flag_frac- 0.371