FRB 20200321E
One-off burst
- Event ID
- 77801079
- Arrival, 400 MHz
- 2020-03-21 04:21:09.409 UTC
- Right ascension
- 124.336°
- Declination
- 63.079°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 58929.1813587542 | 58929.18135890316 |
| Arrival time, infinite frequencyMJD | 58929.18111833009 | 58929.18111847905 |
| Width (fitburst)s | 0.002448 | 0.001681 |
| Peak frequencyMHz | 599.9 | 640.6 |
| Lowest frequencyMHz | 586.2 | 565.8 |
| Highest frequencyMHz | 614.0 | 725.3 |
| Spectral index | 3490.61 | 140.48 |
| Spectral running | -4310.78 | -149.30 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 124.336± 0.217degrees
dec- 63.079± 0.228degrees
gl- 153.34degrees
gb- 33.65degrees
Detection and dispersion
bonsai_snr- 12.2
snr_fitb- 17.3
bonsai_dm- 800.7pc cm⁻³
dm_fitb- 801.7755± 0.16286pc cm⁻³
dm_exc_ne2001- 752.7pc cm⁻³
dm_exc_ymw16- 758.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58929.18135890316± 3.01 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58929.18111847905± 5.73 × 10⁻⁸MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.001681± 0.0001276s
scat_time- 0.000000s
Flux and spectrum
flux- 0.52± 0.27Jy
fluence- 2.44± 1.15Jy ms
peak_freqDiffers between sub-bursts.- 640.6MHz
low_freqDiffers between sub-bursts.- 565.8MHz
high_freqDiffers between sub-bursts.- 725.3MHz
sp_idxDiffers between sub-bursts.- 140.48± 25.22
sp_runDiffers between sub-bursts.- -149.30± 26.63
Exposure and fluence thresholds
exp_up- 162.89± 95.60hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.2Jy ms
low_ft_95- —
up_ft_95- 2.2Jy ms
Fit quality
chi_sq- 638850.843
dof- 639139
flag_frac- 0.220