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CHIME/FRBPublic data
Repeater
FRB20190117A
Event ID
198219532
Arrival, 400 MHz
2021-11-19 02:08:29.652 UTC
Right ascension
329.975°
Declination
17.364°

How the sub-bursts differ

This burst has 3 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 3
Arrival time, 400 MHzMJD59537.0892320889859537.0892322759559537.08923235853
Arrival time, infinite frequencyMJD59537.0891133871259537.0891135740859537.08911365666
Width (fitburst)s0.0184010.0003830.002164
Peak frequencyMHz452.2451.6447.5
Lowest frequencyMHz408.2400.2411.0
Highest frequencyMHz500.9527.0487.2
Spectral index53.7723.2571.20
Spectral running-220.05-96.33-318.48

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
329.975± 0.028degrees
dec
17.364± 0.254degrees
gl
74.92degrees
gb
-29.10degrees

Detection and dispersion

bonsai_snr
9.9
snr_fitb
31.0
bonsai_dm
395.9pc cm⁻³
dm_fitb
395.8515± 0.03863pc cm⁻³
dm_exc_ne2001
346.0pc cm⁻³
dm_exc_ymw16
354.4pc cm⁻³

Arrival time

mjd_400Differs between sub-bursts.
59537.08923208898± 1.98 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.
59537.08911338712± 2.29 × 10⁻⁸MJD

Burst shape

bc_width
0.04522s
width_fitbDiffers between sub-bursts.
0.018401± 0.0015467s
scat_time
0.000000s

Flux and spectrum

flux
0.38± 0.14Jy
fluence
0.67± 0.49Jy ms
peak_freqDiffers between sub-bursts.
452.2MHz
low_freqDiffers between sub-bursts.
408.2MHz
high_freqDiffers between sub-bursts.
500.9MHz
sp_idxDiffers between sub-bursts.
53.77± 8.47
sp_runDiffers between sub-bursts.
-220.05± 32.42

Exposure and fluence thresholds

exp_up
79.62± 45.91hour
exp_low
0.00± 0.00hour
low_ft_68
0.0Jy ms
up_ft_68
7.4Jy ms
low_ft_95
0.0Jy ms
up_ft_95
20.9Jy ms

Fit quality

chi_sq
1922141.439
dof
1923086
flag_frac
0.275