FRB 20221129A
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 252938572
- Arrival, 400 MHz
- 2022-11-29 02:32:25.277 UTC
- Right ascension
- 344.974°
- Declination
- 48.798°
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 | 59912.105848111525 | 59912.1058482261 | 59912.105848369734 |
| Arrival time, infinite frequencyMJD | 59912.10578217336 | 59912.10578228793 | 59912.10578243157 |
| Width (fitburst)s | 0.003787 | 0.003744 | 0.004174 |
| Peak frequencyMHz | 501.4 | 560.9 | 503.7 |
| Lowest frequencyMHz | 450.6 | 531.2 | 409.4 |
| Highest frequencyMHz | 557.8 | 592.4 | 619.7 |
| Spectral index | 91.02 | 521.70 | 24.66 |
| Spectral running | -201.92 | -772.47 | -53.60 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 344.974± 0.200degrees
dec- 48.798± 0.193degrees
gl- 104.70degrees
gb- -10.08degrees
Detection and dispersion
bonsai_snr- 16.6
snr_fitb- 38.5
bonsai_dm- 220.8pc cm⁻³
dm_fitb- 219.8931± 0.09495pc cm⁻³
dm_exc_ne2001- 87.0pc cm⁻³
dm_exc_ymw16- 90.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59912.105848111525± 1.06 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59912.10578217336± 3.04 × 10⁻⁸MJD
Burst shape
bc_width- 0.03736s
width_fitbDiffers between sub-bursts.- 0.003787± 0.0002268s
scat_time- 0.000000s
Flux and spectrum
flux- 0.54± 0.38Jy
fluence- 7.92± 3.80Jy ms
peak_freqDiffers between sub-bursts.- 501.4MHz
low_freqDiffers between sub-bursts.- 450.6MHz
high_freqDiffers between sub-bursts.- 557.8MHz
sp_idxDiffers between sub-bursts.- 91.02± 11.68
sp_runDiffers between sub-bursts.- -201.92± 25.95
Exposure and fluence thresholds
exp_up- 118.93± 64.16hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.6Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.1Jy ms
Fit quality
chi_sq- 1928258.210
dof- 1929728
flag_frac- 0.273