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CHIME/FRBPublic data

FRB 20230425A

One-off burst

Event ID
285594569
Arrival, 400 MHz
2023-04-25 02:29:59.576 UTC
Right ascension
130.894°
Declination
0.441°

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
130.894± 0.188degrees
dec
0.441± 0.046degrees
gl
226.16degrees
gb
24.95degrees

Detection and dispersion

bonsai_snr
14.4
snr_fitb
21.1
bonsai_dm
431.5pc cm⁻³
dm_fitb
431.5299± 0.00531pc cm⁻³
dm_exc_ne2001
370.3pc cm⁻³
dm_exc_ymw16
373.9pc cm⁻³

Arrival time

mjd_400
60059.10416175992± 7.06 × 10⁻¹⁰MJD
mjd_inf
60059.10403235936± 1.74 × 10⁻⁹MJD

Burst shape

bc_width
0.00197s
width_fitb
0.000347± 0.0000117s
scat_time
0.000000s

Flux and spectrum

flux
1.78± 0.66Jy
fluence
2.93± 0.74Jy ms
peak_freq
529.7MHz
low_freq
400.2MHz
high_freq
762.2MHz
sp_idx
9.75± 1.92
sp_run
-17.39± 3.01

Exposure and fluence thresholds

exp_up
13.81± 24.53hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
1.0Jy ms
low_ft_95
—
up_ft_95
1.8Jy ms

Fit quality

chi_sq
1568525.357
dof
1568964
flag_frac
0.409