FRB 20190604F
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Arrival, 400 MHz
- 2019-06-04 17:11:39.801 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 | 58638.7164328824 | 58638.7164329337 | 58638.7164329836 |
| Arrival time, infinite frequencyMJD | 58638.7163283122 | 58638.7163283634 | 58638.7163284134 |
| Width (fitburst)s | 0.000854 | 0.000870 | 0.001120 |
| Peak frequencyMHz | 663.7 | 609.5 | 544.0 |
| Lowest frequencyMHz | 544.3 | 513.9 | 469.7 |
| Highest frequencyMHz | 800.2 | 722.8 | 629.9 |
| Spectral index | 59.20 | 66.60 | 66.00 |
| Spectral running | -58.50 | -79.20 | -107.00 |
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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- 42.2
snr_fitb- 98.8
bonsai_dm- 352.6pc cm⁻³
dm_fitb- 348.7248± 0.00380pc cm⁻³
dm_exc_ne2001- 149.8pc cm⁻³
dm_exc_ymw16- 23.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58638.7164328824± 1.80 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58638.7163283122± 2.10 × 10⁻⁹MJD
Burst shape
bc_width- 0.00786s
width_fitbDiffers between sub-bursts.- 0.000854± 0.0000410s
scat_time- 0.002000± 0.0004400s
Flux and spectrum
flux- 3.37± 0.82Jy
fluence- 21.00± 4.00Jy ms
peak_freqDiffers between sub-bursts.- 663.7MHz
low_freqDiffers between sub-bursts.- 544.3MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- 59.20± 2.50
sp_runDiffers between sub-bursts.- -58.50± 2.40
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- 531144.116
dof- 522559
flag_frac- 0.440