FRB 20211102E
One-off burst
- Event ID
- 194865207
- Arrival, 400 MHz
- 2021-11-02 17:05:51.315 UTC
- Right ascension
- 356.926°
- Declination
- 84.940°
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 | 59520.71239941497 | 59520.71239947396 |
| Arrival time, infinite frequencyMJD | 59520.71232423341 | 59520.7123242924 |
| Width (fitburst)s | 0.002030 | 0.000802 |
| Peak frequencyMHz | 441.1 | 450.6 |
| Lowest frequencyMHz | 400.2 | 407.1 |
| Highest frequencyMHz | 500.5 | 498.9 |
| Spectral index | 27.93 | 52.80 |
| Spectral running | -143.66 | -222.32 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 356.926± 0.020degrees
dec- 84.940± 0.076degrees
gl- 121.43degrees
gb- 22.25degrees
Detection and dispersion
bonsai_snr- 19.5
snr_fitb- 29.3
bonsai_dm- 250.3pc cm⁻³
dm_fitb- 250.7183± 0.03918pc cm⁻³
dm_exc_ne2001- 184.6pc cm⁻³
dm_exc_ymw16- 180.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59520.71239947396± 2.70 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59520.7123242924± 1.21 × 10⁻⁸MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.000802± 0.0000579s
scat_time- 0.000000s
Flux and spectrum
flux- 0.74± 0.37Jy
fluence- 4.98± 2.13Jy ms
peak_freqDiffers between sub-bursts.- 450.6MHz
low_freqDiffers between sub-bursts.- 407.1MHz
high_freqDiffers between sub-bursts.- 498.9MHz
sp_idxDiffers between sub-bursts.- 52.80± 9.07
sp_runDiffers between sub-bursts.- -222.32± 35.24
Exposure and fluence thresholds
exp_up- 753.55± 395.71hour
exp_low- 792.01± 423.46hour
low_ft_68- 1.1Jy ms
up_ft_68- 0.6Jy ms
low_ft_95- 2.1Jy ms
up_ft_95- 1.1Jy ms
Fit quality
chi_sq- 1720551.231
dof- 1721401
flag_frac- 0.351