FRB 20221210I
One-off burst
- Event ID
- 254920535
- Arrival, 400 MHz
- 2022-12-10 12:53:07.164 UTC
- Right ascension
- 153.052°
- Declination
- 14.799°
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 | 59923.536888471375 | 59923.53688866621 |
| Arrival time, infinite frequencyMJD | 59923.53680855096 | 59923.5368087458 |
| Width (fitburst)s | 0.000296 | 0.000888 |
| Peak frequencyMHz | 583.0 | 502.9 |
| Highest frequencyMHz | 800.2 | 696.8 |
| Spectral index | 9.68 | 9.90 |
| Spectral running | -12.86 | -21.66 |
Loading
Loading
Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 153.052± 0.224degrees
dec- 14.799± 0.266degrees
gl- 223.13degrees
gb- 51.03degrees
Detection and dispersion
bonsai_snr- 11.2
snr_fitb- 18.7
bonsai_dm- 266.5pc cm⁻³
dm_fitb- 266.5217± 0.00532pc cm⁻³
dm_exc_ne2001- 229.3pc cm⁻³
dm_exc_ymw16- 239.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59923.536888471375± 8.66 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59923.53680855096± 1.81 × 10⁻⁹MJD
Burst shape
bc_width- 0.00098s
width_fitbDiffers between sub-bursts.- 0.000296± 0.0000135s
scat_time- 0.000000s
Flux and spectrum
flux- 1.25± 0.90Jy
fluence- 4.03± 2.79Jy ms
peak_freqDiffers between sub-bursts.- 583.0MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- 9.68± 2.40
sp_runDiffers between sub-bursts.- -12.86± 3.10
Exposure and fluence thresholds
exp_up- 74.62± 44.21hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.9Jy ms
low_ft_95- —
up_ft_95- 5.9Jy ms
Fit quality
chi_sq- 1795908.005
dof- 1796245
flag_frac- 0.323