Skip to content
CHIME/FRBPublic data

FRB 20220331B

One-off burst

Event ID
218819458
Arrival, 400 MHz
2022-03-31 00:26:46.864 UTC
Right ascension
75.689°
Declination
58.104°

Loading

Localization

Loading

Waterfall

Notes

  • The pulse emission region was extended during fluence estimation.

Position

ra
75.689± 0.180degrees
dec
58.104± 0.061degrees
gl
151.44degrees
gb
9.93degrees

Detection and dispersion

bonsai_snr
16.3
snr_fitb
25.1
bonsai_dm
1269.3pc cm⁻³
dm_fitb
1270.3603± 0.04135pc cm⁻³
dm_exc_ne2001
1141.2pc cm⁻³
dm_exc_ymw16
1088.8pc cm⁻³

Arrival time

mjd_400
59669.01859796381± 2.22 × 10⁻⁹MJD
mjd_inf
59669.01821702772± 1.26 × 10⁻⁸MJD

Burst shape

bc_width
0.00590s
width_fitb
0.000992± 0.0000954s
scat_time
0.002998± 0.0003158s

Flux and spectrum

flux
0.65± 0.18Jy
fluence
3.00± 0.48Jy ms
peak_freq
423.7MHz
low_freq
400.2MHz
high_freq
500.6MHz
sp_idx
9.43± 2.94
sp_run
-82.64± 15.93

Exposure and fluence thresholds

exp_up
127.56± 88.43hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
1.9Jy ms
low_ft_95
—
up_ft_95
3.1Jy ms

Fit quality

chi_sq
1894608.958
dof
1895231
flag_frac
0.286