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CHIME/FRBPublic data
Repeater
FRB20220912A
Event ID
251901767
Arrival, 400 MHz
2022-11-12 03:48:13.225 UTC
Right ascension
347.204°
Declination
48.794°

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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 on a day with low sensitivity - identified via pulsar-based monitoring of system noise - and should be excluded from population studies.
  • Flux and fluence. Flux/fluence could not be determined due to an unspecified computational failure in the fluence pipeline.

Position

ra
347.204± 0.221degrees
dec
48.794± 0.218degrees
gl
106.06degrees
gb
-10.69degrees

Detection and dispersion

bonsai_snr
12.7
snr_fitb
21.9
bonsai_dm
219.6pc cm⁻³
dm_fitb
219.5664± 0.04065pc cm⁻³
dm_exc_ne2001
93.2pc cm⁻³
dm_exc_ymw16
96.1pc cm⁻³

Arrival time

mjd_400
59895.1584863987± 3.07 × 10⁻⁹MJD
mjd_inf
59895.1584205585± 1.26 × 10⁻⁸MJD

Burst shape

bc_width
0.00197s
width_fitb
0.000421± 0.0000643s
scat_time
0.002147± 0.0002962s

Flux and spectrum

flux
—
fluence
—
peak_freq
457.0MHz
low_freq
413.1MHz
high_freq
505.5MHz
sp_idx
60.01± 8.69
sp_run
-226.13± 30.68

Exposure and fluence thresholds

exp_up
114.96± 65.99hour
exp_low
0.00± 0.00hour
low_ft_68
0.0Jy ms
up_ft_68
2.6Jy ms
low_ft_95
0.0Jy ms
up_ft_95
7.1Jy ms

Fit quality

chi_sq
1973167.120
dof
1973639
flag_frac
0.256