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CHIME/FRBPublic data
Repeater
FRB20180814A
Arrival, 400 MHz
2018-10-28 10:12:34.520 UTC
Right ascension
65.540°
Declination
73.630°

How the sub-bursts differ

This burst has 5 sub-bursts. These 8 measurements differ between them and are highlighted below. Everything else is the same for every sub-burst.

MeasurementSub-burst 1Sub-burst 2Sub-burst 3Sub-burst 4Sub-burst 5
Arrival time, 400 MHzMJD58419.42539902358419.42539906958419.425399258858419.42539942158419.425399542
Arrival time, infinite frequencyMJD58419.42534231758419.42534236258419.425342552658419.42534271458419.425342836
Width (fitburst)s0.0060700.0017490.0021780.0027100.002080
Peak frequencyMHz483.2481.3469.3450.9431.0
Lowest frequencyMHz435.3434.5426.9411.7400.2
Highest frequencyMHz536.2533.1515.9493.8465.5
Spectral index79.9081.2081.8066.3058.00
Spectral running-212.00-220.00-257.00-278.00-388.00

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Waterfall

Position

ra
65.540± 0.190degrees
dec
73.630± 0.270degrees
gl
136.46degrees
gb
16.58degrees

Detection and dispersion

bonsai_snr
11.7
snr_fitb
98.4
bonsai_dm
181.2pc cm⁻³
dm_fitb
189.1063± 0.00600pc cm⁻³
dm_exc_ne2001
101.3pc cm⁻³
dm_exc_ymw16
80.7pc cm⁻³

Arrival time

mjd_400Differs between sub-bursts.
58419.425399542± 2.00 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.
58419.425342836± 2.00 × 10⁻⁸MJD

Burst shape

bc_width
0.03342s
width_fitbDiffers between sub-bursts.
0.002080± 0.0001900s
scat_time
<0.0019s

Flux and spectrum

flux
1.31± 0.57Jy
fluence
22.60± 7.40Jy ms
peak_freqDiffers between sub-bursts.
431.0MHz
low_freqDiffers between sub-bursts.
400.2MHz
high_freqDiffers between sub-bursts.
465.5MHz
sp_idxDiffers between sub-bursts.
58.00± 15.00
sp_runDiffers between sub-bursts.
-388.00± 94.00

Exposure and fluence thresholds

exp_up
41.00± 24.00hour
exp_low
43.50± 7.90hour
low_ft_68
43.8Jy ms
up_ft_68
6.9Jy ms
low_ft_95
155.9Jy ms
up_ft_95
25.6Jy ms

Fit quality

chi_sq
1047850.430
dof
1039654
flag_frac
0.443