FRB 20201123D
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Event ID
- 144520399
- Arrival, 400 MHz
- 2020-11-23 05:52:02.548 UTC
- Right ascension
- 29.645°
- Declination
- 65.724°
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 | 59176.24447383779 | 59176.24447393256 |
| Arrival time, infinite frequencyMJD | 59176.2443691923 | 59176.24436928707 |
| Width (fitburst)s | 0.000548 | 0.002424 |
| Peak frequencyMHz | 442.5 | 506.7 |
| Lowest frequencyMHz | 400.2 | 439.9 |
| Highest frequencyMHz | 522.4 | 583.5 |
| Spectral index | 16.80 | 54.44 |
| Spectral running | -83.57 | -115.41 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 29.645± 0.180degrees
dec- 65.724± 0.186degrees
gl- 129.77degrees
gb- 3.75degrees
Detection and dispersion
bonsai_snr- 26.0
snr_fitb- 51.5
bonsai_dm- 348.6pc cm⁻³
dm_fitb- 348.9758± 0.02999pc cm⁻³
dm_exc_ne2001- 150.6pc cm⁻³
dm_exc_ymw16- 26.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59176.24447393256± 3.90 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59176.24436928707± 9.80 × 10⁻⁹MJD
Burst shape
bc_width- 0.01475s
width_fitbDiffers between sub-bursts.- 0.002424± 0.0001412s
scat_time- 0.004376± 0.0005048s
Flux and spectrum
flux- 1.30± 0.53Jy
fluence- 11.25± 3.45Jy ms
peak_freqDiffers between sub-bursts.- 506.7MHz
low_freqDiffers between sub-bursts.- 439.9MHz
high_freqDiffers between sub-bursts.- 583.5MHz
sp_idxDiffers between sub-bursts.- 54.44± 3.94
sp_runDiffers between sub-bursts.- -115.41± 7.92
Exposure and fluence thresholds
exp_up- 209.26± 96.88hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.5Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 10.0Jy ms
Fit quality
chi_sq- 803351.709
dof- 805988
flag_frac- 0.207