FRB 20211116C
One-off burst
- Event ID
- 197791870
- Arrival, 400 MHz
- 2021-11-16 02:17:10.876 UTC
- Right ascension
- 330.122°
- Declination
- 22.253°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 59534.09526458472 | 59534.09526464887 | 59534.095264770396 |
| Arrival time, infinite frequencyMJD | 59534.09499908134 | 59534.09499914548 | 59534.09499926701 |
| Width (fitburst)s | 0.001285 | 0.003068 | 0.005753 |
| Peak frequencyMHz | 466.8 | 452.8 | 422.4 |
| Lowest frequencyMHz | 422.0 | 415.4 | 400.2 |
| Highest frequencyMHz | 516.3 | 493.5 | 457.5 |
| Spectral index | 69.62 | 76.55 | 39.09 |
| Spectral running | -226.24 | -309.92 | -361.89 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 330.122± 0.041degrees
dec- 22.253± 0.177degrees
gl- 78.78degrees
gb- -25.61degrees
Detection and dispersion
bonsai_snr- 21.8
snr_fitb- 38.3
bonsai_dm- 885.6pc cm⁻³
dm_fitb- 885.4109± 0.06539pc cm⁻³
dm_exc_ne2001- 830.6pc cm⁻³
dm_exc_ymw16- 838.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59534.095264770396± 1.44 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59534.09499926701± 2.43 × 10⁻⁸MJD
Burst shape
bc_width- 0.01180s
width_fitbDiffers between sub-bursts.- 0.005753± 0.0009019s
scat_time- 0.000000s
Flux and spectrum
flux- 0.72± 0.20Jy
fluence- 3.77± 0.38Jy ms
peak_freqDiffers between sub-bursts.- 422.4MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 457.5MHz
sp_idxDiffers between sub-bursts.- 39.09± 15.88
sp_runDiffers between sub-bursts.- -361.89± 148.82
Exposure and fluence thresholds
exp_up- 95.57± 40.73hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.4Jy ms
low_ft_95- —
up_ft_95- 3.8Jy ms
Fit quality
chi_sq- 1824599.597
dof- 1826048
flag_frac- 0.312