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CHIME/FRBPublic data

FRB 20190821B

One-off burst

Event ID
50542754
Arrival, 400 MHz
2019-08-21 18:37:02.497 UTC
Right ascension
129.395°
Declination
3.593°

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Localization

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Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
129.395± 0.052degrees
dec
3.593± 0.252degrees
gl
222.31degrees
gb
25.18degrees

Detection and dispersion

bonsai_snr
30.0
snr_fitb
40.2
bonsai_dm
163.4pc cm⁻³
dm_fitb
163.3874± 0.00163pc cm⁻³
dm_exc_ne2001
102.3pc cm⁻³
dm_exc_ymw16
103.3pc cm⁻³

Arrival time

mjd_400
58716.77572334785± 1.24 × 10⁻¹⁰MJD
mjd_inf
58716.77567435374± 5.05 × 10⁻¹⁰MJD

Burst shape

bc_width
0.00197s
width_fitb
0.000287± 0.0000046s
scat_time
0.000000s

Flux and spectrum

flux
3.87± 1.77Jy
fluence
4.50± 1.89Jy ms
peak_freq
400.2MHz
low_freq
400.2MHz
high_freq
624.0MHz
sp_idx
-0.96± 0.70
sp_run
-9.51± 1.88

Exposure and fluence thresholds

exp_up
85.88± 35.89hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
0.6Jy ms
low_ft_95
—
up_ft_95
1.1Jy ms

Fit quality

chi_sq
1916786.745
dof
1918398
flag_frac
0.277