FRB 20221227B
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 257620965
- Arrival, 400 MHz
- 2022-12-27 00:46:20.129 UTC
- Right ascension
- 347.180°
- Declination
- 48.677°
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Notes
- This event should be excluded from parameter inference due to non-nominal telescope operation.
- The pulse emission region was extended during fluence estimation.
- Exposure. Event occurred on a day with low sensitivity - identified via pulsar-based monitoring of system noise - and should be excluded from population studies.
Position
ra- 347.180± 0.171degrees
dec- 48.677± 0.050degrees
gl- 106.00degrees
gb- -10.79degrees
Detection and dispersion
bonsai_snr- 27.6
snr_fitb- 61.9
bonsai_dm- 219.6pc cm⁻³
dm_fitb- 219.6741± 0.00555pc cm⁻³
dm_exc_ne2001- 94.3pc cm⁻³
dm_exc_ymw16- 97.4pc cm⁻³
Arrival time
mjd_400- 59940.032177421905± 4.03 × 10⁻¹⁰MJD
mjd_inf- 59940.03211154943± 1.71 × 10⁻⁹MJD
Burst shape
bc_width- 0.00098s
width_fitb- 0.000265± 0.0000082s
scat_time- 0.000808± 0.0000341s
Flux and spectrum
flux- 1.67± 0.90Jy
fluence- 3.21± 1.35Jy ms
peak_freq- 453.6MHz
low_freq- 404.4MHz
high_freq- 508.9MHz
sp_idx- 43.64± 2.24
sp_run- -174.18± 8.83
Exposure and fluence thresholds
exp_up- 101.63± 63.31hour
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- 1740581.079
dof- 1744409
flag_frac- 0.343