FRB 20210206A
One-off burst
- Event ID
- 156410110
- Arrival, 400 MHz
- 2021-02-06 02:35:34.683 UTC
- Right ascension
- 53.938°
- Declination
- 52.728°
How the sub-bursts differ
This burst has 4 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 | Sub-burst 4 |
|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59251.1080402738 | 59251.10804030882 | 59251.10804034927 | 59251.10804041141 |
| Arrival time, infinite frequencyMJD | 59251.1079319264 | 59251.10793196142 | 59251.10793200187 | 59251.107932064006 |
| Width (fitburst)s | 0.001318 | 0.000018 | 0.000276 | 0.000223 |
| Peak frequencyMHz | 400.2 | 532.2 | 420.5 | 434.9 |
| Highest frequencyMHz | 671.6 | 800.2 | 792.3 | 797.0 |
| Spectral index | -2.30 | 5.34 | 0.57 | 1.04 |
| Spectral running | -4.15 | -9.37 | -5.74 | -6.27 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 53.938± 0.042degrees
dec- 52.728± 0.129degrees
gl- 146.40degrees
gb- -2.49degrees
Detection and dispersion
bonsai_snr- 49.1
snr_fitb- 76.4
bonsai_dm- 361.5pc cm⁻³
dm_fitb- 361.3211± 0.00109pc cm⁻³
dm_exc_ne2001- 170.3pc cm⁻³
dm_exc_ymw16- 103.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59251.10804030882± 2.01 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59251.10793196142± 3.84 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.01573s
width_fitbDiffers between sub-bursts.- 0.000018± 0.0000052s
scat_time- 0.003202± 0.0001263s
Flux and spectrum
flux- 2.12± 0.70Jy
fluence- 22.53± 6.27Jy ms
peak_freqDiffers between sub-bursts.- 532.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- 5.34± 1.45
sp_runDiffers between sub-bursts.- -9.37± 1.82
Exposure and fluence thresholds
exp_up- 170.63± 33.70hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 3.4Jy ms
low_ft_95- —
up_ft_95- 5.7Jy ms
Fit quality
chi_sq- 2202544.321
dof- 2208362
flag_frac- 0.168