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CHIME/FRBPublic data

FRB 20191228B

One-off burst

Event ID
66615437
Arrival, 400 MHz
2019-12-28 15:59:28.155 UTC
Right ascension
218.558°
Declination
75.064°

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
218.558± 0.242degrees
dec
75.064± 0.266degrees
gl
114.50degrees
gb
40.34degrees

Detection and dispersion

bonsai_snr
8.7
snr_fitb
11.2
bonsai_dm
1340.9pc cm⁻³
dm_fitb
1341.1664± 0.01672pc cm⁻³
dm_exc_ne2001
1301.5pc cm⁻³
dm_exc_ymw16
1308.4pc cm⁻³

Arrival time

mjd_400
58845.666298086864± 2.31 × 10⁻⁹MJD
mjd_inf
58845.665895918515± 5.52 × 10⁻⁹MJD

Burst shape

bc_width
0.00393s
width_fitb
0.000856± 0.0000846s
scat_time
0.000000s

Flux and spectrum

flux
0.40± 0.19Jy
fluence
1.50± 0.49Jy ms
peak_freq
498.4MHz
low_freq
400.2MHz
high_freq
800.2MHz
sp_idx
1.93± 1.88
sp_run
-4.38± 2.72

Exposure and fluence thresholds

exp_up
269.18± 157.85hour
exp_low
240.69± 125.89hour
low_ft_68
12.0Jy ms
up_ft_68
2.0Jy ms
low_ft_95
21.7Jy ms
up_ft_95
3.6Jy ms

Fit quality

chi_sq
2095183.457
dof
2095302
flag_frac
0.211