FRB 20200210B
One-off burst
- Event ID
- 72531308
- Arrival, 400 MHz
- 2020-02-10 02:09:40.047 UTC
- Right ascension
- 52.781°
- Declination
- 57.813°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 58889.09004684396 | 58889.09004696659 |
| Arrival time, infinite frequencyMJD | 58889.089725050006 | 58889.089725172635 |
| Width (fitburst)s | 0.009460 | 0.001156 |
| Peak frequencyMHz | 552.5 | 487.6 |
| Lowest frequencyMHz | 451.0 | 430.7 |
| Highest frequencyMHz | 677.0 | 551.9 |
| Spectral index | 36.00 | 59.22 |
| Spectral running | -55.81 | -149.95 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 52.781± 0.213degrees
dec- 57.813± 0.210degrees
gl- 142.93degrees
gb- 1.28degrees
Detection and dispersion
bonsai_snr- 13.1
snr_fitb- 23.7
bonsai_dm- 1067.5pc cm⁻³
dm_fitb- 1073.1308± 0.05162pc cm⁻³
dm_exc_ne2001- 880.3pc cm⁻³
dm_exc_ymw16- 783.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58889.09004684396± 1.71 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58889.089725050006± 2.30 × 10⁻⁸MJD
Burst shape
bc_width- 0.03637s
width_fitbDiffers between sub-bursts.- 0.009460± 0.0011326s
scat_time- 0.000000s
Flux and spectrum
flux- 0.65± 0.35Jy
fluence- 8.08± 2.51Jy ms
peak_freqDiffers between sub-bursts.- 552.5MHz
low_freqDiffers between sub-bursts.- 451.0MHz
high_freqDiffers between sub-bursts.- 677.0MHz
sp_idxDiffers between sub-bursts.- 36.00± 6.67
sp_runDiffers between sub-bursts.- -55.81± 9.86
Exposure and fluence thresholds
exp_up- 144.09± 83.43hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 7.2Jy ms
low_ft_95- —
up_ft_95- 12.8Jy ms
Fit quality
chi_sq- 1809624.485
dof- 1810177
flag_frac- 0.318