FRB 20200314A
A burst from FRB20190208A
- Repeater
- FRB20190208A
- Event ID
- 77049697
- Arrival, 400 MHz
- 2020-03-14 15:22:41.209 UTC
- Right ascension
- 283.603°
- Declination
- 46.967°
How the sub-bursts differ
This burst has 4 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 | Sub-burst 4 |
|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 58922.6407545264 | 58922.640754583226 | 58922.64075472827 | 58922.64075488914 |
| Arrival time, infinite frequencyMJD | 58922.64058063113 | 58922.64058068796 | 58922.64058083301 | 58922.64058099387 |
| Width (fitburst)s | 0.000741 | 0.000977 | 0.000821 | 0.001707 |
| Peak frequencyMHz | 603.1 | 571.6 | 523.1 | 439.2 |
| Lowest frequencyMHz | 529.1 | 498.5 | 443.8 | 400.2 |
| Highest frequencyMHz | 687.4 | 655.3 | 616.6 | 519.3 |
| Spectral index | 110.28 | 87.77 | 45.64 | 15.25 |
| Spectral running | -134.46 | -123.12 | -85.17 | -81.97 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 283.603± 0.170degrees
dec- 46.967± 0.165degrees
gl- 76.74degrees
gb- 18.99degrees
Detection and dispersion
bonsai_snr- 29.3
snr_fitb- 66.7
bonsai_dm- 575.8pc cm⁻³
dm_fitb- 579.9126± 0.01399pc cm⁻³
dm_exc_ne2001- 508.2pc cm⁻³
dm_exc_ymw16- 514.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58922.64075472827± 1.77 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58922.64058083301± 4.55 × 10⁻⁹MJD
Burst shape
bc_width- 0.03539s
width_fitbDiffers between sub-bursts.- 0.000821± 0.0000383s
scat_time- 0.000000s
Flux and spectrum
flux- 1.25± 0.41Jy
fluence- 13.54± 3.38Jy ms
peak_freqDiffers between sub-bursts.- 523.1MHz
low_freqDiffers between sub-bursts.- 443.8MHz
high_freqDiffers between sub-bursts.- 616.6MHz
sp_idxDiffers between sub-bursts.- 45.64± 4.46
sp_runDiffers between sub-bursts.- -85.17± 8.01
Exposure and fluence thresholds
exp_up- 133.14± 50.22hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.1Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.5Jy ms
Fit quality
chi_sq- 2210900.398
dof- 2215329
flag_frac- 0.165