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CHIME/FRBPublic data

FRB 20211226A

One-off burst

Event ID
204536423
Arrival, 400 MHz
2021-12-26 21:01:53.681 UTC
Right ascension
287.029°
Declination
79.741°

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
287.029± 0.236degrees
dec
79.741± 0.270degrees
gl
111.54degrees
gb
25.92degrees

Detection and dispersion

bonsai_snr
10.4
snr_fitb
12.4
bonsai_dm
840.3pc cm⁻³
dm_fitb
839.5958± 0.03912pc cm⁻³
dm_exc_ne2001
783.5pc cm⁻³
dm_exc_ymw16
786.1pc cm⁻³

Arrival time

mjd_400
59574.87631575044± 7.03 × 10⁻⁹MJD
mjd_inf
59574.876063985364± 1.37 × 10⁻⁸MJD

Burst shape

bc_width
0.00885s
width_fitb
0.000491± 0.0001975s
scat_time
0.013665± 0.0026400s

Flux and spectrum

flux
0.56± 0.31Jy
fluence
3.73± 1.33Jy ms
peak_freq
400.2MHz
low_freq
400.2MHz
high_freq
800.2MHz
sp_idx
-0.82± 1.66
sp_run
-1.82± 2.41

Exposure and fluence thresholds

exp_up
396.05± 236.55hour
exp_low
426.35± 228.72hour
low_ft_68
6.0Jy ms
up_ft_68
1.8Jy ms
low_ft_95
11.0Jy ms
up_ft_95
3.3Jy ms

Fit quality

chi_sq
1840165.170
dof
1840313
flag_frac
0.307