FRB 20190605B
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Arrival, 400 MHz
- 2019-06-05 17:02:30.868 UTC
- Right ascension
- 29.503°
- Declination
- 65.717°
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 | 58639.710079485 | 58639.7100796043 | 58639.7100797215 |
| Arrival time, infinite frequencyMJD | 58639.7099749188 | 58639.7099750381 | 58639.7099751554 |
| Width (fitburst)s | 0.002000 | 0.001250 | 0.000740 |
| Peak frequencyMHz | 436.2 | 452.2 | 459.7 |
| Lowest frequencyMHz | 400.2 | 400.2 | 410.3 |
| Highest frequencyMHz | 522.7 | 535.7 | 514.9 |
| Spectral index | 12.10 | 19.60 | 49.50 |
| Spectral running | -70.40 | -80.20 | -179.00 |
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Notes
- Right ascension. RA from Marcote et al. (2020)
- Declination. Dec from Marcote et al. (2020)
- Upper transit exposure. No error on exposure due to precise position. See Section 2.2.
Position
ra- 29.503± 0.000degrees
dec- 65.717± 0.000degrees
gl- 129.71degrees
gb- 3.73degrees
Detection and dispersion
bonsai_snr- 25.5
snr_fitb- 87.8
bonsai_dm- 349.4pc cm⁻³
dm_fitb- 348.7110± 0.01400pc cm⁻³
dm_exc_ne2001- 149.8pc cm⁻³
dm_exc_ymw16- 23.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58639.710079485± 3.00 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58639.7099749188± 5.10 × 10⁻⁹MJD
Burst shape
bc_width- 0.02556s
width_fitbDiffers between sub-bursts.- 0.002000± 0.0002500s
scat_time- 0.001720± 0.0001100s
Flux and spectrum
flux- 1.81± 0.44Jy
fluence- 24.90± 4.00Jy ms
peak_freqDiffers between sub-bursts.- 436.2MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 522.7MHz
sp_idxDiffers between sub-bursts.- 12.10± 2.30
sp_runDiffers between sub-bursts.- -70.40± 9.40
Exposure and fluence thresholds
exp_up- 46.06± 0.00hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 6.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 26.1Jy ms
Fit quality
chi_sq- 702534.557
dof- 688239
flag_frac- 0.447