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CHIME/FRBPublic data
Repeater
FRB20190117A
Event ID
47566210
Arrival, 400 MHz
2019-08-10 08:52:29.679 UTC
Right ascension
331.849°
Declination
17.371°

How the sub-bursts differ

This burst has 3 sub-bursts. These 7 measurements differ between them and are highlighted below. Everything else is the same for every sub-burst.

MeasurementSub-burst 1Sub-burst 2Sub-burst 3
Arrival time, 400 MHzMJD58705.36978795349658705.3697880893558705.36978815948
Arrival time, infinite frequencyMJD58705.3696701649158705.36967030076658705.36967037089
Width (fitburst)s0.0028640.0028620.000583
Peak frequencyMHz746.5694.5632.4
Lowest frequencyMHz612.4586.5497.5
Spectral index73.2088.8536.63
Spectral running-58.71-80.59-40.03

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
331.849± 0.166degrees
dec
17.371± 0.189degrees
gl
76.42degrees
gb
-30.32degrees

Detection and dispersion

bonsai_snr
31.5
snr_fitb
68.3
bonsai_dm
397.9pc cm⁻³
dm_fitb
392.8059± 0.03787pc cm⁻³
dm_exc_ne2001
344.6pc cm⁻³
dm_exc_ymw16
352.8pc cm⁻³

Arrival time

mjd_400Differs between sub-bursts.
58705.369787953496± 8.98 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.
58705.36967016491± 1.45 × 10⁻⁸MJD

Burst shape

bc_width
0.02556s
width_fitbDiffers between sub-bursts.
0.002864± 0.0002619s
scat_time
0.020630± 0.0011967s

Flux and spectrum

flux
2.70± 0.73Jy
fluence
33.05± 7.25Jy ms
peak_freqDiffers between sub-bursts.
746.5MHz
low_freqDiffers between sub-bursts.
612.4MHz
high_freq
800.2MHz
sp_idxDiffers between sub-bursts.
73.20± 21.60
sp_runDiffers between sub-bursts.
-58.71± 17.71

Exposure and fluence thresholds

exp_up
94.81± 37.40hour
exp_low
0.00± 0.00hour
low_ft_68
0.0Jy ms
up_ft_68
7.8Jy ms
low_ft_95
0.0Jy ms
up_ft_95
22.1Jy ms

Fit quality

chi_sq
1980002.852
dof
1984645
flag_frac
0.252