FRB 20201010B
One-off burst
- Event ID
- 137751593
- Arrival, 400 MHz
- 2020-10-10 15:26:31.230 UTC
- Right ascension
- 130.237°
- Declination
- 42.265°
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 | 59132.64341701855 | 59132.64341705287 |
| Arrival time, infinite frequencyMJD | 59132.64334024681 | 59132.64334028113 |
| Width (fitburst)s | 0.000819 | 0.002955 |
| Peak frequencyMHz | 400.2 | 420.6 |
| Highest frequencyMHz | 767.9 | 529.7 |
| Spectral index | -0.88 | 4.29 |
| Spectral running | -4.07 | -43.24 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 130.237± 0.170degrees
dec- 42.265± 0.056degrees
gl- 178.92degrees
gb- 37.56degrees
Detection and dispersion
bonsai_snr- 65.4
snr_fitb- 219.6
bonsai_dm- 257.2pc cm⁻³
dm_fitb- 256.0213± 0.00142pc cm⁻³
dm_exc_ne2001- 208.3pc cm⁻³
dm_exc_ymw16- 215.5pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59132.64341701855± 1.41 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59132.64334024681± 4.50 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000819± 0.0000075s
scat_time- 0.000000s
Flux and spectrum
flux- 7.43± 2.26Jy
fluence- 30.69± 9.25Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 767.9MHz
sp_idxDiffers between sub-bursts.- -0.88± 0.15
sp_runDiffers between sub-bursts.- -4.07± 0.26
Exposure and fluence thresholds
exp_up- 72.84± 60.67hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.9Jy ms
low_ft_95- —
up_ft_95- 4.9Jy ms
Fit quality
chi_sq- 1981961.887
dof- 2030173
flag_frac- 0.235