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CHIME/FRBPublic data

FRB 20200210B

One-off burst

Event ID
72531308
Arrival, 400 MHz
2020-02-10 02:09:40.058 UTC
Right ascension
52.781°
Declination
57.813°

How the sub-bursts differ

This burst has 2 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 2
Arrival time, 400 MHzMJD58889.0900468439658889.09004696659
Arrival time, infinite frequencyMJD58889.08972505000658889.089725172635
Width (fitburst)s0.0094600.001156
Peak frequencyMHz552.5487.6
Lowest frequencyMHz451.0430.7
Highest frequencyMHz677.0551.9
Spectral index36.0059.22
Spectral running-55.81-149.95

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
52.781± 0.213degrees
dec
57.813± 0.210degrees
gl
142.93degrees
gb
1.28degrees

Detection and dispersion

bonsai_snr
13.1
snr_fitb
23.7
bonsai_dm
1067.5pc cm⁻³
dm_fitb
1073.1308± 0.05162pc cm⁻³
dm_exc_ne2001
880.3pc cm⁻³
dm_exc_ymw16
783.3pc cm⁻³

Arrival time

mjd_400Differs between sub-bursts.
58889.09004696659± 5.24 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.
58889.089725172635± 1.63 × 10⁻⁸MJD

Burst shape

bc_width
0.03637s
width_fitbDiffers between sub-bursts.
0.001156± 0.0000826s
scat_time
0.000000s

Flux and spectrum

flux
0.65± 0.35Jy
fluence
8.08± 2.51Jy ms
peak_freqDiffers between sub-bursts.
487.6MHz
low_freqDiffers between sub-bursts.
430.7MHz
high_freqDiffers between sub-bursts.
551.9MHz
sp_idxDiffers between sub-bursts.
59.22± 9.82
sp_runDiffers between sub-bursts.
-149.95± 24.08

Exposure and fluence thresholds

exp_up
144.09± 83.43hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
7.2Jy ms
low_ft_95
—
up_ft_95
12.8Jy ms

Fit quality

chi_sq
1809624.485
dof
1810177
flag_frac
0.318