FRB 20230222B
One-off burst
- Event ID
- 272367619
- Arrival, 400 MHz
- 2023-02-22 13:42:46.726 UTC
- Right ascension
- 237.315°
- Declination
- 30.855°
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 237.315± 0.049degrees
dec- 30.855± 0.153degrees
gl- 49.34degrees
gb- 51.19degrees
Detection and dispersion
bonsai_snr- 41.1
snr_fitb- 98.8
bonsai_dm- 188.0pc cm⁻³
dm_fitb- 187.7942± 0.00278pc cm⁻³
dm_exc_ne2001- 160.9pc cm⁻³
dm_exc_ymw16- 162.0pc cm⁻³
Arrival time
mjd_400- 59997.57137414056± 4.14 × 10⁻¹⁰MJD
mjd_inf- 59997.571317827715± 9.33 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00197s
width_fitb- 0.000394± 0.0000042s
scat_time- 0.000000s
Flux and spectrum
flux- 3.54± 0.62Jy
fluence- 8.80± 1.32Jy ms
peak_freq- 558.8MHz
low_freq- 465.8MHz
high_freq- 670.4MHz
sp_idx- 46.33± 1.33
sp_run- -69.39± 1.95
Exposure and fluence thresholds
exp_up- 102.73± 26.57hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.1Jy ms
low_ft_95- —
up_ft_95- 1.8Jy ms
Fit quality
chi_sq- 1902819.530
dof- 1912566
flag_frac- 0.279