FRB 20200207A
One-off burst
- Event ID
- 72197704
- Arrival, 400 MHz
- 2020-02-07 00:13:50.631 UTC
- Right ascension
- 18.827°
- Declination
- 85.747°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 58886.0096137895 | 58886.00961384112 |
| Arrival time, infinite frequencyMJD | 58886.009461806934 | 58886.00946185856 |
| Width (fitburst)s | 0.000539 | 0.000359 |
| Peak frequencyMHz | 400.2 | 426.8 |
| Highest frequencyMHz | 800.2 | 791.2 |
| Spectral index | -0.05 | 0.78 |
| Spectral running | -3.74 | -6.04 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 18.827± 0.101degrees
dec- 85.747± 0.136degrees
gl- 123.41degrees
gb- 22.90degrees
Detection and dispersion
bonsai_snr- 99.5
snr_fitb- 135.0
bonsai_dm- 506.3pc cm⁻³
dm_fitb- 506.8373± 0.00070pc cm⁻³
dm_exc_ne2001- 442.5pc cm⁻³
dm_exc_ymw16- 440.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58886.0096137895± 2.93 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 58886.009461806934± 3.59 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00098s
width_fitbDiffers between sub-bursts.- 0.000539± 0.0000058s
scat_time- 0.000535± 0.0000039s
Flux and spectrum
flux- 7.45± 2.18Jy
fluence- 16.50± 4.97Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- -0.05± 0.66
sp_runDiffers between sub-bursts.- -3.74± 1.17
Exposure and fluence thresholds
exp_up- 1363.62± 186.94hour
exp_low- 1265.02± 281.75hour
low_ft_68- 2.3Jy ms
up_ft_68- 1.3Jy ms
low_ft_95- 3.7Jy ms
up_ft_95- 2.2Jy ms
Fit quality
chi_sq- 1978760.305
dof- 1996962
flag_frac- 0.248