FRB 20210127D
One-off burst
- Event ID
- 153873973
- Arrival, 400 MHz
- 2021-01-27 04:12:42.566 UTC
- Right ascension
- 68.839°
- Declination
- 38.349°
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 | 59241.17549258413 | 59241.17549266019 |
| Arrival time, infinite frequencyMJD | 59241.175383416004 | 59241.17538349207 |
| Width (fitburst)s | 0.000148 | 0.000306 |
| Peak frequencyMHz | 507.8 | 492.5 |
| Highest frequencyMHz | 789.1 | 800.2 |
| Spectral index | 5.65 | 2.27 |
| Spectral running | -11.85 | -5.48 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 68.839± 0.180degrees
dec- 38.349± 0.191degrees
gl- 163.76degrees
gb- -6.18degrees
Detection and dispersion
bonsai_snr- 14.1
snr_fitb- 22.7
bonsai_dm- 363.5pc cm⁻³
dm_fitb- 364.0581± 0.00108pc cm⁻³
dm_exc_ne2001- 205.8pc cm⁻³
dm_exc_ymw16- 152.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59241.17549266019± 2.24 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59241.17538349207± 3.95 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00098s
width_fitbDiffers between sub-bursts.- 0.000306± 0.0000109s
scat_time- 0.000000s
Flux and spectrum
flux- 0.75± 0.17Jy
fluence- 2.05± 0.33Jy ms
peak_freqDiffers between sub-bursts.- 492.5MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- 2.27± 1.25
sp_runDiffers between sub-bursts.- -5.48± 1.87
Exposure and fluence thresholds
exp_up- 103.09± 53.44hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.2Jy ms
low_ft_95- —
up_ft_95- 1.9Jy ms
Fit quality
chi_sq- 2182108.823
dof- 2182615
flag_frac- 0.178