FRB 20221219E
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 256128937
- Arrival, 400 MHz
- 2022-12-19 01:22:04.925 UTC
- Right ascension
- 347.250°
- Declination
- 48.784°
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 | 59932.05700145106 | 59932.057002103444 |
| Arrival time, infinite frequencyMJD | 59932.05693545597 | 59932.056936108354 |
| Width (fitburst)s | 0.006226 | 0.003650 |
| Peak frequencyMHz | 441.6 | 469.5 |
| Lowest frequencyMHz | 400.2 | 420.5 |
| Highest frequencyMHz | 492.1 | 524.2 |
| Spectral index | 38.60 | 60.57 |
| Spectral running | -196.12 | -189.61 |
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Position
ra- 347.250± 0.074degrees
dec- 48.784± 0.172degrees
gl- 106.08degrees
gb- -10.71degrees
Detection and dispersion
bonsai_snr- 21.3
snr_fitb- 51.8
bonsai_dm- 219.6pc cm⁻³
dm_fitb- 220.0830± 0.07485pc cm⁻³
dm_exc_ne2001- 93.9pc cm⁻³
dm_exc_ymw16- 96.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59932.05700145106± 8.65 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59932.05693545597± 2.41 × 10⁻⁸MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.006226± 0.0006567s
scat_time- 0.000000s
Flux and spectrum
flux- 0.93± 0.35Jy
fluence- 9.98± 2.44Jy ms
peak_freqDiffers between sub-bursts.- 441.6MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 492.1MHz
sp_idxDiffers between sub-bursts.- 38.60± 9.16
sp_runDiffers between sub-bursts.- -196.12± 44.75
Exposure and fluence thresholds
exp_up- 112.43± 66.59hour
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- 1914260.965
dof- 1916935
flag_frac- 0.278