FRB 20200429C
One-off burst
- Event ID
- 82457603
- Arrival, 400 MHz
- 2020-04-29 13:07:43.508 UTC
- Right ascension
- 295.210°
- Declination
- 70.284°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 58968.54703127829 | 58968.5470313406 |
| Arrival time, infinite frequencyMJD | 58968.546777418465 | 58968.54677748077 |
| Width (fitburst)s | 0.001314 | 0.000616 |
| Peak frequencyMHz | 622.0 | 400.2 |
| Lowest frequencyMHz | 413.4 | 400.2 |
| Spectral index | 12.17 | -0.21 |
| Spectral running | -13.79 | -2.55 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 295.210± 0.198degrees
dec- 70.284± 0.211degrees
gl- 102.20degrees
gb- 21.41degrees
Detection and dispersion
bonsai_snr- 14.4
snr_fitb- 21.0
bonsai_dm- 847.6pc cm⁻³
dm_fitb- 846.5815± 0.03024pc cm⁻³
dm_exc_ne2001- 781.4pc cm⁻³
dm_exc_ymw16- 781.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58968.5470313406± 5.50 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58968.54677748077± 1.06 × 10⁻⁸MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.000616± 0.0001380s
scat_time- 0.005290± 0.0016110s
Flux and spectrum
flux- 0.77± 0.45Jy
fluence- 5.21± 2.42Jy ms
peak_freqDiffers between sub-bursts.- 400.2MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- -0.21± 1.97
sp_runDiffers between sub-bursts.- -2.55± 2.54
Exposure and fluence thresholds
exp_up- 230.26± 132.20hour
exp_low- 57.96± 85.18hour
low_ft_68- 18.2Jy ms
up_ft_68- 1.6Jy ms
low_ft_95- 36.9Jy ms
up_ft_95- 2.9Jy ms
Fit quality
chi_sq- 1990699.162
dof- 1991130
flag_frac- 0.250