FRB 20221215H
One-off burst
- Event ID
- 255623238
- Arrival, 400 MHz
- 2022-12-15 15:43:22.667 UTC
- Right ascension
- 198.678°
- Declination
- 59.021°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 59928.655123463075 | 59928.65512350649 |
| Arrival time, infinite frequencyMJD | 59928.65504200007 | 59928.65504204349 |
| Width (fitburst)s | 0.000217 | 0.000400 |
| Peak frequencyMHz | 400.2 | 419.6 |
| Highest frequencyMHz | 538.5 | 619.4 |
| Spectral index | -2.93 | 1.44 |
| Spectral running | -16.27 | -15.19 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 198.678± 0.169degrees
dec- 59.021± 0.038degrees
gl- 117.30degrees
gb- 57.85degrees
Detection and dispersion
bonsai_snr- 67.7
snr_fitb- 326.3
bonsai_dm- 271.3pc cm⁻³
dm_fitb- 271.6659± 0.00078pc cm⁻³
dm_exc_ne2001- 239.8pc cm⁻³
dm_exc_ymw16- 247.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59928.655123463075± 1.90 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59928.65504200007± 3.01 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000217± 0.0000191s
scat_time- 0.002160± 0.0000184s
Flux and spectrum
flux- 13.39± 3.88Jy
fluence- 44.45± 13.42Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 538.5MHz
sp_idxDiffers between sub-bursts.- -2.93± 0.93
sp_runDiffers between sub-bursts.- -16.27± 3.67
Exposure and fluence thresholds
exp_up- 84.34± 77.41hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 3.6Jy ms
low_ft_95- —
up_ft_95- 6.4Jy ms
Fit quality
chi_sq- 1645529.537
dof- 1752018
flag_frac- 0.340