FRB 20210117D
One-off burst
- Event ID
- 152635388
- Arrival, 400 MHz
- 2021-01-17 10:06:49.027 UTC
- Right ascension
- 150.388°
- Declination
- 78.123°
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 | 59231.42140077085 | 59231.421400799234 |
| Arrival time, infinite frequencyMJD | 59231.42131782968 | 59231.42131785806 |
| Width (fitburst)s | 0.000392 | 0.000211 |
| Peak frequencyMHz | 541.3 | 508.8 |
| Lowest frequencyMHz | 454.4 | 414.5 |
| Highest frequencyMHz | 644.8 | 624.5 |
| Spectral index | 45.37 | 26.32 |
| Spectral running | -75.13 | -54.81 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 150.388± 0.212degrees
dec- 78.123± 0.244degrees
gl- 132.77degrees
gb- 35.54degrees
Detection and dispersion
bonsai_snr- 12.8
snr_fitb- 29.9
bonsai_dm- 277.0pc cm⁻³
dm_fitb- 276.5954± 0.00402pc cm⁻³
dm_exc_ne2001- 231.6pc cm⁻³
dm_exc_ymw16- 238.5pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59231.42140077085± 5.77 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59231.42131782968± 1.34 × 10⁻⁹MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.000392± 0.0000148s
scat_time- 0.000000s
Flux and spectrum
flux- 0.57± 0.22Jy
fluence- 2.17± 0.52Jy ms
peak_freqDiffers between sub-bursts.- 541.3MHz
low_freqDiffers between sub-bursts.- 454.4MHz
high_freqDiffers between sub-bursts.- 644.8MHz
sp_idxDiffers between sub-bursts.- 45.37± 4.24
sp_runDiffers between sub-bursts.- -75.13± 6.73
Exposure and fluence thresholds
exp_up- 329.52± 179.21hour
exp_low- 322.52± 200.23hour
low_ft_68- 8.1Jy ms
up_ft_68- 1.9Jy ms
low_ft_95- 13.9Jy ms
up_ft_95- 3.4Jy ms
Fit quality
chi_sq- 2129241.864
dof- 2130127
flag_frac- 0.197