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CHIME/FRBPublic data

FRB 20220820B

One-off burst

Event ID
241131713
Arrival, 400 MHz
2022-08-20 11:50:48.631 UTC
Right ascension
26.802°
Declination
31.071°

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Localization

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Waterfall

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 during a period when the L4 metadata system was offline or misconfigured and should be excluded from population studies.

Position

ra
26.802± 0.028degrees
dec
31.071± 0.185degrees
gl
136.76degrees
gb
-30.30degrees

Detection and dispersion

bonsai_snr
12.4
snr_fitb
21.8
bonsai_dm
421.8pc cm⁻³
dm_fitb
422.0826± 0.00674pc cm⁻³
dm_exc_ne2001
370.0pc cm⁻³
dm_exc_ymw16
377.7pc cm⁻³

Arrival time

mjd_400
59811.49361841148± 2.29 × 10⁻¹⁰MJD
mjd_inf
59811.49349184384± 2.03 × 10⁻⁹MJD

Burst shape

bc_width
0.00197s
width_fitb
0.000298± 0.0000060s
scat_time
0.000000s

Flux and spectrum

flux
0.64± 0.30Jy
fluence
1.08± 0.42Jy ms
peak_freq
412.3MHz
low_freq
400.2MHz
high_freq
476.4MHz
sp_idx
6.54± 4.00
sp_run
-109.98± 29.29

Exposure and fluence thresholds

exp_up
92.79± 45.13hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
1.8Jy ms
low_ft_95
—
up_ft_95
3.3Jy ms

Fit quality

chi_sq
1705547.166
dof
1706016
flag_frac
0.357