FRB 20181128A
A burst from FRB20181128A
- Previous name
- 181128.J0456+63
- Repeater
- FRB20181128A
- Event ID
- 21538821
- Arrival, 400 MHz
- 2018-11-28 08:27:41.628 UTC
- Right ascension
- 74.001°
- Declination
- 63.388°
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 | 58450.35256514131 | 58450.35256522618 |
| Arrival time, infinite frequencyMJD | 58450.35242993184 | 58450.352430016705 |
| Width (fitburst)s | 0.001242 | 0.001582 |
| Peak frequencyMHz | 624.9 | 474.9 |
| Lowest frequencyMHz | 540.5 | 400.2 |
| Highest frequencyMHz | 722.5 | 625.0 |
| Spectral index | 97.34 | 10.45 |
| Spectral running | -109.22 | -30.53 |
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Notes
- This event was included in Catalog 1.
- Fitburst and/or flux/fluence pipeline results are taken from Catalog 1.
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence measurements and errors taken from Catalog 1.
Position
ra- 74.001± 0.178degrees
dec- 63.388± 0.181degrees
gl- 146.62degrees
gb- 12.43degrees
Detection and dispersion
bonsai_snr- 23.4
snr_fitb- 36.2
bonsai_dm- 446.4pc cm⁻³
dm_fitb- 450.9017± 0.05285pc cm⁻³
dm_exc_ne2001- 339.4pc cm⁻³
dm_exc_ymw16- 300.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58450.35256514131± 9.79 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58450.35242993184± 1.86 × 10⁻⁸MJD
Burst shape
bc_width- 0.01769s
width_fitbDiffers between sub-bursts.- 0.001242± 0.0001344s
scat_time- 0.012918± 0.0012675s
Flux and spectrum
flux- 0.64± 0.37Jy
fluence- 8.10± 3.80Jy ms
peak_freqDiffers between sub-bursts.- 624.9MHz
low_freqDiffers between sub-bursts.- 540.5MHz
high_freqDiffers between sub-bursts.- 722.5MHz
sp_idxDiffers between sub-bursts.- 97.34± 15.86
sp_runDiffers between sub-bursts.- -109.22± 16.99
Exposure and fluence thresholds
exp_up- 188.52± 87.67hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 19.1Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 56.8Jy ms
Fit quality
chi_sq- 1724148.362
dof- 1725450
flag_frac- 0.350