FRB 20221130D
A burst from FRB20190208A
- Repeater
- FRB20190208A
- Event ID
- 253159190
- Arrival, 400 MHz
- 2022-11-30 22:15:51.289 UTC
- Right ascension
- 283.365°
- Declination
- 46.957°
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 | 59913.92767663525 | 59913.9276768079 | 59913.92767695051 |
| Arrival time, infinite frequencyMJD | 59913.92750276019 | 59913.92750293284 | 59913.92750307545 |
| Width (fitburst)s | 0.000697 | 0.000833 | 0.001411 |
| Peak frequencyMHz | 561.6 | 519.0 | 471.6 |
| Lowest frequencyMHz | 495.3 | 481.5 | 400.2 |
| Highest frequencyMHz | 636.8 | 559.4 | 569.4 |
| Spectral index | 98.70 | 212.72 | 21.31 |
| Spectral running | -145.66 | -409.32 | -64.89 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 283.365± 0.232degrees
dec- 46.957± 0.246degrees
gl- 76.67degrees
gb- 19.14degrees
Detection and dispersion
bonsai_snr- 8.5
snr_fitb- 23.2
bonsai_dm- 578.7pc cm⁻³
dm_fitb- 579.8452± 0.04993pc cm⁻³
dm_exc_ne2001- 508.7pc cm⁻³
dm_exc_ymw16- 514.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59913.92767695051± 4.78 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59913.92750307545± 1.57 × 10⁻⁸MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.001411± 0.0001523s
scat_time- 0.000000s
Flux and spectrum
flux- 0.42± 0.28Jy
fluence- 2.59± 1.30Jy ms
peak_freqDiffers between sub-bursts.- 471.6MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 569.4MHz
sp_idxDiffers between sub-bursts.- 21.31± 7.27
sp_runDiffers between sub-bursts.- -64.89± 20.13
Exposure and fluence thresholds
exp_up- 107.51± 64.78hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.1Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.5Jy ms
Fit quality
chi_sq- 1929043.827
dof- 1929566
flag_frac- 0.273