FRB 20201229C
A burst from FRB20200929C
- Repeater
- FRB20200929C
- Event ID
- 149557871
- Arrival, 400 MHz
- 2020-12-29 02:35:57.724 UTC
- Right ascension
- 17.143°
- Declination
- 18.506°
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 | 59212.10830688671 | 59212.10830699378 |
| Arrival time, infinite frequencyMJD | 59212.10818265076 | 59212.108182757824 |
| Width (fitburst)s | 0.001199 | 0.002078 |
| Peak frequencyMHz | 641.1 | 560.6 |
| Lowest frequencyMHz | 585.8 | 469.7 |
| Highest frequencyMHz | 701.6 | 669.2 |
| Spectral index | 267.01 | 49.57 |
| Spectral running | -283.34 | -73.51 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 17.143± 0.191degrees
dec- 18.506± 0.047degrees
gl- 128.60degrees
gb- -44.18degrees
Detection and dispersion
bonsai_snr- 12.3
snr_fitb- 22.7
bonsai_dm- 414.9pc cm⁻³
dm_fitb- 414.3068± 0.09892pc cm⁻³
dm_exc_ne2001- 375.9pc cm⁻³
dm_exc_ymw16- 384.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59212.10830699378± 1.48 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59212.108182757824± 3.32 × 10⁻⁸MJD
Burst shape
bc_width- 0.01376s
width_fitbDiffers between sub-bursts.- 0.002078± 0.0001527s
scat_time- 0.000000s
Flux and spectrum
flux- 0.56± 0.23Jy
fluence- 3.68± 1.10Jy ms
peak_freqDiffers between sub-bursts.- 560.6MHz
low_freqDiffers between sub-bursts.- 469.7MHz
high_freqDiffers between sub-bursts.- 669.2MHz
sp_idxDiffers between sub-bursts.- 49.57± 8.49
sp_runDiffers between sub-bursts.- -73.51± 11.86
Exposure and fluence thresholds
exp_up- 24.48± 31.64hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.2Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 8.6Jy ms
Fit quality
chi_sq- 2105810.122
dof- 2106313
flag_frac- 0.206