FRB 20190519A
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Event ID
- 39275710
- Arrival, 400 MHz
- 2019-05-19 17:50:25.647 UTC
- Right ascension
- 25.666°
- Declination
- 65.729°
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 | 58622.743352272955 | 58622.74335233727 | 58622.74335239367 |
| Arrival time, infinite frequencyMJD | 58622.743247674225 | 58622.74324773854 | 58622.74324779495 |
| Width (fitburst)s | 0.000360 | 0.000502 | 0.001452 |
| Peak frequencyMHz | 539.5 | 524.9 | 481.5 |
| Lowest frequencyMHz | 496.3 | 483.3 | 432.8 |
| Highest frequencyMHz | 586.4 | 570.0 | 535.7 |
| Spectral index | 197.67 | 183.62 | 74.85 |
| Spectral running | -330.99 | -338.57 | -202.40 |
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Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 25.666± 0.184degrees
dec- 65.729± 0.198degrees
gl- 128.17degrees
gb- 3.38degrees
Detection and dispersion
bonsai_snr- 18.8
snr_fitb- 40.3
bonsai_dm- 351.0pc cm⁻³
dm_fitb- 348.8198± 0.02157pc cm⁻³
dm_exc_ne2001- 148.7pc cm⁻³
dm_exc_ymw16- 23.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58622.74335239367± 2.22 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58622.74324779495± 6.84 × 10⁻⁹MJD
Burst shape
bc_width- 0.00786s
width_fitbDiffers between sub-bursts.- 0.001452± 0.0000767s
scat_time- 0.000000s
Flux and spectrum
flux- 0.65± 0.28Jy
fluence- 3.91± 1.25Jy ms
peak_freqDiffers between sub-bursts.- 481.5MHz
low_freqDiffers between sub-bursts.- 432.8MHz
high_freqDiffers between sub-bursts.- 535.7MHz
sp_idxDiffers between sub-bursts.- 74.85± 7.96
sp_runDiffers between sub-bursts.- -202.40± 21.72
Exposure and fluence thresholds
exp_up- 194.52± 104.91hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 10.6Jy ms
Fit quality
chi_sq- 1971376.672
dof- 1972982
flag_frac- 0.257