Skip to content
CHIME/FRBPublic data

FRB 20201015A

One-off burst

Event ID
138404872
Arrival, 400 MHz
2020-10-15 20:12:49.538 UTC
Right ascension
206.722°
Declination
56.024°

How the sub-bursts differ

This burst has 2 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 2
Arrival time, 400 MHzMJD59137.8422400212159137.84224010206
Arrival time, infinite frequencyMJD59137.8421475683159137.842147649164
Width (fitburst)s0.0000610.001177
Peak frequencyMHz737.3742.3
Lowest frequencyMHz656.6648.7
Spectral index209.26156.66
Spectral running-171.25-126.79

Loading

Localization

Loading

Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
206.722± 0.260degrees
dec
56.024± 0.253degrees
gl
107.67degrees
gb
59.43degrees

Detection and dispersion

bonsai_snr
9.6
snr_fitb
20.4
bonsai_dm
308.9pc cm⁻³
dm_fitb
308.3155± 0.00494pc cm⁻³
dm_exc_ne2001
277.0pc cm⁻³
dm_exc_ymw16
284.9pc cm⁻³

Arrival time

mjd_400Differs between sub-bursts.
59137.84224002121± 1.04 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.
59137.84214756831± 1.81 × 10⁻⁹MJD

Burst shape

bc_width
0.00295s
width_fitbDiffers between sub-bursts.
0.000061± 0.0000008s
scat_time
0.000000s

Flux and spectrum

flux
0.36± 0.22Jy
fluence
2.32± 0.67Jy ms
peak_freqDiffers between sub-bursts.
737.3MHz
low_freqDiffers between sub-bursts.
656.6MHz
high_freq
800.2MHz
sp_idxDiffers between sub-bursts.
209.26± 99.89
sp_runDiffers between sub-bursts.
-171.25± 81.56

Exposure and fluence thresholds

exp_up
125.33± 73.43hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
1.0Jy ms
low_ft_95
—
up_ft_95
1.7Jy ms

Fit quality

chi_sq
2102021.389
dof
2102425
flag_frac
0.208