FRB 20201102B
One-off burst
- Event ID
- 140601336
- Arrival, 400 MHz
- 2020-11-02 00:56:44.538 UTC
- Right ascension
- 296.113°
- Declination
- 3.658°
How the sub-bursts differ
This burst has 3 sub-bursts. These 7 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 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 59155.03940434736 | 59155.03940438069 | 59155.0394044172 |
| Arrival time, infinite frequencyMJD | 59155.03928097655 | 59155.03928100988 | 59155.03928104639 |
| Width (fitburst)s | 0.000561 | 0.000570 | 0.001356 |
| Peak frequencyMHz | 539.7 | 400.2 | 436.4 |
| Highest frequencyMHz | 800.2 | 653.3 | 800.2 |
| Spectral index | 8.55 | -0.48 | 1.00 |
| Spectral running | -14.29 | -8.61 | -5.79 |
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Notes
- This event should be excluded from parameter inference due to non-nominal telescope operation.
- Exposure. Event occurred during a period affected by miscellaneous system problems (e.g. data corruption or timing errors) and should be excluded from population studies.
Position
ra- 296.113± 0.130degrees
dec- 3.658± 0.051degrees
gl- 42.35degrees
gb- -10.05degrees
Detection and dispersion
bonsai_snr- 68.4
snr_fitb- 224.9
bonsai_dm- 411.2pc cm⁻³
dm_fitb- 411.4217± 0.00166pc cm⁻³
dm_exc_ne2001- 227.6pc cm⁻³
dm_exc_ymw16- 277.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59155.03940438069± 2.68 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59155.03928100988± 5.66 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.000570± 0.0000123s
scat_time- 0.001730± 0.0000187s
Flux and spectrum
flux- 17.91± 8.03Jy
fluence- 97.73± 42.09Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 653.3MHz
sp_idxDiffers between sub-bursts.- -0.48± 0.31
sp_runDiffers between sub-bursts.- -8.61± 0.71
Exposure and fluence thresholds
exp_up- 50.20± 37.71hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 5.6Jy ms
low_ft_95- —
up_ft_95- 10.3Jy ms
Fit quality
chi_sq- 650940.280
dof- 701513
flag_frac- 0.309