FRB 20201124E
A burst from FRB20190907A
- Repeater
- FRB20190907A
- Event ID
- 144655467
- Arrival, 400 MHz
- 2020-11-24 11:56:42.788 UTC
- Right ascension
- 122.516°
- Declination
- 46.276°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 59177.49771734242 | 59177.49771745425 | 59177.49771761226 |
| Arrival time, infinite frequencyMJD | 59177.497624574215 | 59177.497624686046 | 59177.49762484406 |
| Width (fitburst)s | 0.000687 | 0.004360 | 0.000928 |
| Peak frequencyMHz | 658.9 | 563.8 | 428.4 |
| Lowest frequencyMHz | 598.7 | 463.7 | 400.2 |
| Highest frequencyMHz | 725.0 | 685.6 | 531.7 |
| Spectral index | 250.79 | 41.27 | 6.71 |
| Spectral running | -251.53 | -60.20 | -49.33 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 122.516± 0.219degrees
dec- 46.276± 0.230degrees
gl- 173.40degrees
gb- 32.44degrees
Detection and dispersion
bonsai_snr- 10.8
snr_fitb- 16.4
bonsai_dm- 311.4pc cm⁻³
dm_fitb- 309.3670± 0.04176pc cm⁻³
dm_exc_ne2001- 256.3pc cm⁻³
dm_exc_ymw16- 259.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59177.49771745425± 1.25 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59177.497624686046± 1.77 × 10⁻⁸MJD
Burst shape
bc_width- 0.02949s
width_fitbDiffers between sub-bursts.- 0.004360± 0.0008078s
scat_time- 0.000000s
Flux and spectrum
flux- 0.24± 0.18Jy
fluence- 3.11± 1.19Jy ms
peak_freqDiffers between sub-bursts.- 563.8MHz
low_freqDiffers between sub-bursts.- 463.7MHz
high_freqDiffers between sub-bursts.- 685.6MHz
sp_idxDiffers between sub-bursts.- 41.27± 20.76
sp_runDiffers between sub-bursts.- -60.20± 29.48
Exposure and fluence thresholds
exp_up- 104.65± 63.59hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 1.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.1Jy ms
Fit quality
chi_sq- 2167937.897
dof- 2168192
flag_frac- 0.183