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CHIME/FRBPublic data

FRB 20220401A

One-off burst

Event ID
219091297
Arrival, 400 MHz
2022-04-01 15:36:49.951 UTC
Right ascension
303.908°
Declination
30.706°

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Localization

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Waterfall

Notes

  • This event should be excluded from parameter inference due to non-nominal telescope operation.
  • The pulse emission region was extended during fluence estimation.
  • Exposure. Event occurred during a period when the L4 metadata system was offline or misconfigured and should be excluded from population studies.

Position

ra
303.908± 0.167degrees
dec
30.706± 0.167degrees
gl
69.50degrees
gb
-2.41degrees

Detection and dispersion

bonsai_snr
31.1
snr_fitb
42.8
bonsai_dm
742.0pc cm⁻³
dm_fitb
742.7973± 0.00185pc cm⁻³
dm_exc_ne2001
370.8pc cm⁻³
dm_exc_ymw16
446.5pc cm⁻³

Arrival time

mjd_400
59670.65057813608± 2.54 × 10⁻¹⁰MJD
mjd_inf
59670.65035539747± 6.10 × 10⁻¹⁰MJD

Burst shape

bc_width
0.00197s
width_fitb
0.000413± 0.0000067s
scat_time
0.000000s

Flux and spectrum

flux
2.32± 0.36Jy
fluence
5.67± 0.75Jy ms
peak_freq
521.0MHz
low_freq
400.2MHz
high_freq
800.2MHz
sp_idx
3.11± 0.52
sp_run
-5.90± 0.75

Exposure and fluence thresholds

exp_up
100.34± 37.50hour
exp_low
0.00± 0.00hour
low_ft_68
—
up_ft_68
2.2Jy ms
low_ft_95
—
up_ft_95
3.6Jy ms

Fit quality

chi_sq
1859713.529
dof
1861536
flag_frac
0.299