FRB 20191219B
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Event ID
- 65511653
- Arrival, 400 MHz
- 2019-12-19 04:11:18.215 UTC
- Right ascension
- 29.277°
- Declination
- 65.728°
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 | 58836.17451638251 | 58836.17451675137 |
| Arrival time, infinite frequencyMJD | 58836.17441158765 | 58836.17441195651 |
| Width (fitburst)s | 0.000717 | 0.001791 |
| Peak frequencyMHz | 619.3 | 589.2 |
| Lowest frequencyMHz | 546.1 | 492.3 |
| Highest frequencyMHz | 702.3 | 705.1 |
| Spectral index | 127.04 | 55.20 |
| Spectral running | -145.48 | -71.36 |
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Notes
- This event should be excluded from parameter inference due to non-nominal telescope operation.
- Exposure. Event occurred during a system upgrade (hardware or software) and should be excluded from population studies.
Position
ra- 29.277± 0.196degrees
dec- 65.728± 0.203degrees
gl- 129.62degrees
gb- 3.71degrees
Detection and dispersion
bonsai_snr- 17.8
snr_fitb- 41.6
bonsai_dm- 351.0pc cm⁻³
dm_fitb- 349.4739± 0.06220pc cm⁻³
dm_exc_ne2001- 150.6pc cm⁻³
dm_exc_ymw16- 26.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58836.17451638251± 1.11 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58836.17441158765± 2.17 × 10⁻⁸MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.000717± 0.0000676s
scat_time- 0.009208± 0.0008264s
Flux and spectrum
flux- 1.05± 0.37Jy
fluence- 8.66± 2.39Jy ms
peak_freqDiffers between sub-bursts.- 619.3MHz
low_freqDiffers between sub-bursts.- 546.1MHz
high_freqDiffers between sub-bursts.- 702.3MHz
sp_idxDiffers between sub-bursts.- 127.04± 12.78
sp_runDiffers between sub-bursts.- -145.48± 14.25
Exposure and fluence thresholds
exp_up- 197.03± 104.31hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.5Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 10.0Jy ms
Fit quality
chi_sq- 2160968.098
dof- 2162688
flag_frac- 0.185