FRB 20181019A
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Event ID
- 18685272
- Arrival, 400 MHz
- 2018-10-19 08:13:22.820 UTC
- Right ascension
- 32.082°
- Declination
- 65.738°
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 | 58410.34262449633 | 58410.34262523399 |
| Arrival time, infinite frequencyMJD | 58410.34251957128 | 58410.342520308935 |
| Width (fitburst)s | 0.003087 | 0.001145 |
| Peak frequencyMHz | 684.8 | 639.5 |
| Lowest frequencyMHz | 618.2 | 562.5 |
| Highest frequencyMHz | 758.6 | 727.1 |
| Spectral index | 236.18 | 131.04 |
| Spectral running | -219.82 | -139.78 |
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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- 32.082± 0.214degrees
dec- 65.738± 0.209degrees
gl- 130.73degrees
gb- 4.04degrees
Detection and dispersion
bonsai_snr- 16.2
snr_fitb- 30.7
bonsai_dm- 346.1pc cm⁻³
dm_fitb- 349.9081± 0.14541pc cm⁻³
dm_exc_ne2001- 156.4pc cm⁻³
dm_exc_ymw16- 34.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58410.34262523399± 2.63 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58410.342520308935± 5.09 × 10⁻⁸MJD
Burst shape
bc_width- 0.00983s
width_fitbDiffers between sub-bursts.- 0.001145± 0.0001504s
scat_time- 0.000000s
Flux and spectrum
flux- 0.81± 0.44Jy
fluence- 10.40± 3.10Jy ms
peak_freqDiffers between sub-bursts.- 639.5MHz
low_freqDiffers between sub-bursts.- 562.5MHz
high_freqDiffers between sub-bursts.- 727.1MHz
sp_idxDiffers between sub-bursts.- 131.04± 35.28
sp_runDiffers between sub-bursts.- -139.78± 37.58
Exposure and fluence thresholds
exp_up- 193.97± 106.16hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 5.3Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 11.8Jy ms
Fit quality
chi_sq- 1686287.688
dof- 1687219
flag_frac- 0.364