FRB 20210624B
A burst from FRB20181119A
- Repeater
- FRB20181119A
- Event ID
- 174845492
- Arrival, 400 MHz
- 2021-06-24 02:31:25.164 UTC
- Right ascension
- 190.425°
- Declination
- 65.140°
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 | 59389.105152356235 | 59389.105152433294 |
| Arrival time, infinite frequencyMJD | 59389.105043020805 | 59389.105043097865 |
| Width (fitburst)s | 0.000789 | 0.002295 |
| Peak frequencyMHz | 681.6 | 632.0 |
| Lowest frequencyMHz | 624.6 | 546.4 |
| Highest frequencyMHz | 743.9 | 731.0 |
| Spectral index | 321.06 | 99.35 |
| Spectral running | -301.44 | -108.69 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 190.425± 0.181degrees
dec- 65.140± 0.185degrees
gl- 124.59degrees
gb- 51.96degrees
Detection and dispersion
bonsai_snr- 22.3
snr_fitb- 44.8
bonsai_dm- 366.4pc cm⁻³
dm_fitb- 364.6160± 0.13477pc cm⁻³
dm_exc_ne2001- 330.6pc cm⁻³
dm_exc_ymw16- 338.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59389.105152356235± 2.68 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59389.105043020805± 4.85 × 10⁻⁸MJD
Burst shape
bc_width- 0.01573s
width_fitbDiffers between sub-bursts.- 0.000789± 0.0001499s
scat_time- 0.019175± 0.0022997s
Flux and spectrum
flux- 0.83± 0.39Jy
fluence- 9.54± 3.19Jy ms
peak_freqDiffers between sub-bursts.- 681.6MHz
low_freqDiffers between sub-bursts.- 624.6MHz
high_freqDiffers between sub-bursts.- 743.9MHz
sp_idxDiffers between sub-bursts.- 321.06± 53.46
sp_runDiffers between sub-bursts.- -301.44± 50.08
Exposure and fluence thresholds
exp_up- 185.68± 87.21hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.4Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 6.4Jy ms
Fit quality
chi_sq- 1712924.946
dof- 1714920
flag_frac- 0.354