FRB 20221025H
One-off burst
- Event ID
- 247709131
- Arrival, 400 MHz
- 2022-10-25 08:13:47.838 UTC
- Right ascension
- 37.175°
- Declination
- 41.260°
How the sub-bursts differ
This burst has 2 sub-bursts. These 6 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 | 59877.3429147973 | 59877.34291483041 |
| Arrival time, infinite frequencyMJD | 59877.34264761624 | 59877.34264764935 |
| Width (fitburst)s | 0.000556 | 0.001114 |
| Peak frequencyMHz | 534.8 | 550.0 |
| Spectral index | 2.46 | 3.44 |
| Spectral running | -4.24 | -5.40 |
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Notes
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence unavailable because the best available calibrator was of poor quality.
Position
ra- 37.175± 0.144degrees
dec- 41.260± 0.022degrees
gl- 141.93degrees
gb- -18.00degrees
Detection and dispersion
bonsai_snr- 31.5
snr_fitb- 39.4
bonsai_dm- 890.0pc cm⁻³
dm_fitb- 891.0056± 0.00514pc cm⁻³
dm_exc_ne2001- 808.3pc cm⁻³
dm_exc_ymw16- 804.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59877.3429147973± 7.73 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59877.34264761624± 1.72 × 10⁻⁹MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000556± 0.0000207s
scat_time- 0.000000s
Flux and spectrum
flux- —
fluence- —
peak_freqDiffers between sub-bursts.- 534.8MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 2.46± 0.90
sp_runDiffers between sub-bursts.- -4.24± 1.19
Exposure and fluence thresholds
exp_up- 9.17± 22.05hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- —
low_ft_95- —
up_ft_95- —
Fit quality
chi_sq- 1963024.699
dof- 1964563
flag_frac- 0.260