FRB 20200706A

One-off burst

Event ID: 96500528
Arrival, 400 MHz: 2020-07-06 21:33:44.939 UTC
Right ascension: 128.841°
Declination: 29.618°

How the sub-bursts differ

This burst has 4 sub-bursts. These 8 measurements differ between them and are highlighted below. Everything else is the same for every sub-burst.

Measurement	Sub-burst 1	Sub-burst 2	Sub-burst 3	Sub-burst 4
Arrival time, 400 MHzMJD	59036.89843665805	59036.89843669821	59036.89843677043	59036.89843679553
Arrival time, infinite frequencyMJD	59036.8983168343	59036.89831687446	59036.89831694668	59036.898316971776
Width (fitburst)s	0.000414	0.001290	0.004677	0.001808
Peak frequencyMHz	708.3	630.5	575.4	714.7
Lowest frequencyMHz	513.9	441.3	400.2	649.6
Highest frequencyMHz	800.2	800.2	800.2	786.2
Spectral index	25.55	16.43	7.12	293.49
Spectral running	-22.38	-18.07	-9.81	-253.07

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Localization

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Waterfall

Notes

The pulse emission region was extended during fluence estimation.

Position

ra: 128.841± 0.165degrees
dec: 29.618± 0.169degrees
gl: 194.12degrees
gb: 34.35degrees

Detection and dispersion

bonsai_snr: 31.5
snr_fitb: 52.6
bonsai_dm: 394.7pc cm⁻³
dm_fitb: 399.5928± 0.01064pc cm⁻³
dm_exc_ne2001: 345.7pc cm⁻³
dm_exc_ymw16: 349.5pc cm⁻³

Arrival time

mjd_400Differs between sub-bursts.: 59036.89843679553± 3.75 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.: 59036.898316971776± 4.93 × 10⁻⁹MJD

Burst shape

bc_width: 0.01573s
width_fitbDiffers between sub-bursts.: 0.001808± 0.0002835s
scat_time: 0.000000s

Flux and spectrum

flux: 1.41± 0.33Jy
fluence: 11.99± 2.10Jy ms
peak_freqDiffers between sub-bursts.: 714.7MHz
low_freqDiffers between sub-bursts.: 649.6MHz
high_freqDiffers between sub-bursts.: 786.2MHz
sp_idxDiffers between sub-bursts.: 293.49± 95.54
sp_runDiffers between sub-bursts.: -253.07± 82.95

Exposure and fluence thresholds

exp_up: 98.48± 36.43hour
exp_low: 0.00± 0.00hour
low_ft_68: —
up_ft_68: 3.0Jy ms
low_ft_95: —
up_ft_95: 5.0Jy ms

Fit quality

chi_sq: 2033568.568
dof: 2036319
flag_frac: 0.233