FRB 20221116F
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 252450889
- Arrival, 400 MHz
- 2022-11-16 03:35:17.740 UTC
- Right ascension
- 349.436°
- Declination
- 48.797°
How the sub-bursts differ
This burst has 7 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 | Sub-burst 4 | Sub-burst 5 | Sub-burst 6 | Sub-burst 7 |
|---|---|---|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59899.149510190626 | 59899.14951032743 | 59899.149510685944 | 59899.14951074308 | 59899.1495108103 | 59899.14951088258 | 59899.14951094867 |
| Arrival time, infinite frequencyMJD | 59899.149444357754 | 59899.14944449456 | 59899.14944485307 | 59899.14944491021 | 59899.149444977425 | 59899.149445049705 | 59899.1494451158 |
| Width (fitburst)s | 0.002273 | 0.002517 | 0.005168 | 0.000983 | 0.001424 | 0.001983 | 0.001037 |
| Peak frequencyMHz | 702.7 | 657.7 | 620.2 | 593.7 | 607.7 | 580.7 | 553.0 |
| Lowest frequencyMHz | 613.8 | 562.5 | 542.5 | 514.8 | 539.3 | 515.5 | 493.3 |
| Highest frequencyMHz | 800.2 | 769.0 | 708.9 | 684.7 | 684.8 | 654.2 | 619.9 |
| Spectral index | 141.42 | 93.52 | 112.73 | 89.23 | 134.84 | 120.84 | 114.09 |
| Spectral running | -125.59 | -94.13 | -128.69 | -113.12 | -161.39 | -162.28 | -176.43 |
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Position
ra- 349.436± 0.024degrees
dec- 48.797± 0.165degrees
gl- 107.45degrees
gb- -11.24degrees
Detection and dispersion
bonsai_snr- 29.4
snr_fitb- 306.4
bonsai_dm- 223.2pc cm⁻³
dm_fitb- 219.5420± 0.01848pc cm⁻³
dm_exc_ne2001- 98.5pc cm⁻³
dm_exc_ymw16- 101.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59899.14951088258± 3.08 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59899.149445049705± 6.34 × 10⁻⁹MJD
Burst shape
bc_width- 0.07274s
width_fitbDiffers between sub-bursts.- 0.001983± 0.0001025s
scat_time- 0.012268± 0.0005064s
Flux and spectrum
flux- 4.69± 2.35Jy
fluence- 123.84± 60.59Jy ms
peak_freqDiffers between sub-bursts.- 580.7MHz
low_freqDiffers between sub-bursts.- 515.5MHz
high_freqDiffers between sub-bursts.- 654.2MHz
sp_idxDiffers between sub-bursts.- 120.84± 4.05
sp_runDiffers between sub-bursts.- -162.28± 5.44
Exposure and fluence thresholds
exp_up- 122.44± 64.11hour
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- 3694247.649
dof- 3788083
flag_frac- 0.291