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CHIME/FRBPublic data

FRB 20211222D

One-off burst

Event ID
204029836
Arrival, 400 MHz
2021-12-22 20:39:09.201 UTC
Right ascension
280.284°
Declination
53.945°

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
280.284± 0.215degrees
dec
53.945± 0.210degrees
gl
83.20degrees
gb
23.09degrees

Detection and dispersion

bonsai_snr
13.4
snr_fitb
24.7
bonsai_dm
758.2pc cm⁻³
dm_fitb
758.8507± 0.11154pc cm⁻³
dm_exc_ne2001
699.3pc cm⁻³
dm_exc_ymw16
704.4pc cm⁻³

Arrival time

mjd_400
59570.86052316024± 9.04 × 10⁻⁹MJD
mjd_inf
59570.86029560776± 3.46 × 10⁻⁸MJD

Burst shape

bc_width
0.00786s
width_fitb
0.002136± 0.0001305s
scat_time
0.000000s

Flux and spectrum

flux
0.21± 0.15Jy
fluence
1.72± 0.88Jy ms
peak_freq
468.8MHz
low_freq
425.0MHz
high_freq
517.2MHz
sp_idx
75.63± 9.02
sp_run
-238.89± 27.52

Exposure and fluence thresholds

exp_up
130.47± 73.77hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
0.9Jy ms
low_ft_95
—
up_ft_95
1.8Jy ms

Fit quality

chi_sq
2015804.442
dof
2016408
flag_frac
0.240