FRB 20211206A
A burst from FRB20200926A
- Repeater
- FRB20200926A
- Event ID
- 201282536
- Arrival, 400 MHz
- 2021-12-06 21:56:00.260 UTC
- Right ascension
- 285.844°
- Declination
- 53.940°
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 | 59554.91389181385 | 59554.91389189464 |
| Arrival time, infinite frequencyMJD | 59554.91366435165 | 59554.913664432446 |
| Width (fitburst)s | 0.001910 | 0.001743 |
| Peak frequencyMHz | 473.5 | 463.1 |
| Lowest frequencyMHz | 431.5 | 425.0 |
| Highest frequencyMHz | 519.6 | 504.8 |
| Spectral index | 89.68 | 90.89 |
| Spectral running | -266.61 | -311.01 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 285.844± 0.213degrees
dec- 53.940± 0.211degrees
gl- 84.22degrees
gb- 19.96degrees
Detection and dispersion
bonsai_snr- 12.9
snr_fitb- 23.6
bonsai_dm- 757.8pc cm⁻³
dm_fitb- 758.5497± 0.13666pc cm⁻³
dm_exc_ne2001- 690.6pc cm⁻³
dm_exc_ymw16- 694.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59554.91389189464± 1.12 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59554.913664432446± 4.25 × 10⁻⁸MJD
Burst shape
bc_width- 0.06095s
width_fitbDiffers between sub-bursts.- 0.001743± 0.0002392s
scat_time- 0.000000s
Flux and spectrum
flux- 0.25± 0.14Jy
fluence- 3.04± 1.17Jy ms
peak_freqDiffers between sub-bursts.- 463.1MHz
low_freqDiffers between sub-bursts.- 425.0MHz
high_freqDiffers between sub-bursts.- 504.8MHz
sp_idxDiffers between sub-bursts.- 90.89± 18.22
sp_runDiffers between sub-bursts.- -311.01± 64.09
Exposure and fluence thresholds
exp_up- 131.52± 74.29hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.3Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.8Jy ms
Fit quality
chi_sq- 2045180.065
dof- 2045725
flag_frac- 0.229