FRB 20201124B
A burst from FRB20201124A
- Repeater
- FRB20201124A
- Event ID
- 144650834
- Arrival, 400 MHz
- 2020-11-24 08:54:45.933 UTC
- Right ascension
- 77.110°
- Declination
- 26.193°
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 | 59177.371364483246 | 59177.37136496906 |
| Arrival time, infinite frequencyMJD | 59177.37124109494 | 59177.37124158075 |
| Width (fitburst)s | 0.003001 | 0.002287 |
| Peak frequencyMHz | 562.0 | 659.1 |
| Lowest frequencyMHz | 462.5 | 596.9 |
| Highest frequencyMHz | 682.9 | 727.9 |
| Spectral index | 41.20 | 233.54 |
| Spectral running | -60.66 | -234.01 |
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Position
ra- 77.110± 0.227degrees
dec- 26.193± 0.261degrees
gl- 177.71degrees
gb- -8.38degrees
Detection and dispersion
bonsai_snr- 10.3
snr_fitb- 26.3
bonsai_dm- 404.4pc cm⁻³
dm_fitb- 411.4801± 0.33710pc cm⁻³
dm_exc_ne2001- 270.2pc cm⁻³
dm_exc_ymw16- 213.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59177.37136496906± 6.44 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59177.37124158075± 1.20 × 10⁻⁷MJD
Burst shape
bc_width- 0.06685s
width_fitbDiffers between sub-bursts.- 0.002287± 0.0005320s
scat_time- 0.098868± 0.0114220s
Flux and spectrum
flux- 0.35± 0.20Jy
fluence- 7.13± 1.32Jy ms
peak_freqDiffers between sub-bursts.- 659.1MHz
low_freqDiffers between sub-bursts.- 596.9MHz
high_freqDiffers between sub-bursts.- 727.9MHz
sp_idxDiffers between sub-bursts.- 233.54± 34.69
sp_runDiffers between sub-bursts.- -234.01± 34.14
Exposure and fluence thresholds
exp_up- 81.84± 51.17hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 6.1Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 14.4Jy ms
Fit quality
chi_sq- 4314245.992
dof- 4314924
flag_frac- 0.192