FRB 20211115A
One-off burst
- Event ID
- 197677129
- Arrival, 400 MHz
- 2021-11-15 12:41:44.486 UTC
- Right ascension
- 124.599°
- Declination
- 1.286°
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 | 59533.52898703558 | 59533.528987110745 |
| Arrival time, infinite frequencyMJD | 59533.52893043732 | 59533.52893051249 |
| Width (fitburst)s | 0.000746 | 0.002191 |
| Peak frequencyMHz | 473.8 | 470.8 |
| Highest frequencyMHz | 565.5 | 571.5 |
| Spectral index | 24.84 | 19.95 |
| Spectral running | -73.54 | -61.35 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 124.599± 0.211degrees
dec- 1.286± 0.303degrees
gl- 222.04degrees
gb- 19.86degrees
Detection and dispersion
bonsai_snr- 14.8
snr_fitb- 27.1
bonsai_dm- 188.8pc cm⁻³
dm_fitb- 188.7460± 0.02111pc cm⁻³
dm_exc_ne2001- 115.7pc cm⁻³
dm_exc_ymw16- 111.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59533.528987110745± 3.45 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59533.52893051249± 7.21 × 10⁻⁹MJD
Burst shape
bc_width- 0.00983s
width_fitbDiffers between sub-bursts.- 0.002191± 0.0002871s
scat_time- 0.000000s
Flux and spectrum
flux- 1.19± 0.64Jy
fluence- 7.36± 2.79Jy ms
peak_freqDiffers between sub-bursts.- 470.8MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 571.5MHz
sp_idxDiffers between sub-bursts.- 19.95± 4.49
sp_runDiffers between sub-bursts.- -61.35± 12.28
Exposure and fluence thresholds
exp_up- 77.13± 39.71hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 7.2Jy ms
low_ft_95- —
up_ft_95- 13.7Jy ms
Fit quality
chi_sq- 1661550.000
dof- 1662271
flag_frac- 0.374