FRB 20221207E
A burst from FRB20190907A
- Repeater
- FRB20190907A
- Event ID
- 254403793
- Arrival, 400 MHz
- 2022-12-07 11:04:40.956 UTC
- Right ascension
- 122.351°
- Declination
- 46.406°
How the sub-bursts differ
This burst has 3 sub-bursts. These 7 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 | 59920.46158513451 | 59920.46158524486 | 59920.46158535604 |
| Arrival time, infinite frequencyMJD | 59920.46149227858 | 59920.46149238893 | 59920.4614925001 |
| Width (fitburst)s | 0.000746 | 0.001220 | 0.000123 |
| Peak frequencyMHz | 464.6 | 449.3 | 428.6 |
| Highest frequencyMHz | 547.4 | 507.4 | 477.0 |
| Spectral index | 25.53 | 35.97 | 27.54 |
| Spectral running | -85.53 | -155.53 | -200.92 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 122.351± 0.182degrees
dec- 46.406± 0.065degrees
gl- 173.23degrees
gb- 32.34degrees
Detection and dispersion
bonsai_snr- 18.8
snr_fitb- 44.2
bonsai_dm- 311.4pc cm⁻³
dm_fitb- 309.6595± 0.01637pc cm⁻³
dm_exc_ne2001- 256.5pc cm⁻³
dm_exc_ymw16- 259.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59920.46158513451± 3.13 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59920.46149227858± 5.82 × 10⁻⁹MJD
Burst shape
bc_width- 0.01966s
width_fitbDiffers between sub-bursts.- 0.000746± 0.0002826s
scat_time- 0.005850± 0.0004270s
Flux and spectrum
flux- 0.47± 0.26Jy
fluence- 4.59± 1.89Jy ms
peak_freqDiffers between sub-bursts.- 464.6MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 547.4MHz
sp_idxDiffers between sub-bursts.- 25.53± 10.99
sp_runDiffers between sub-bursts.- -85.53± 31.57
Exposure and fluence thresholds
exp_up- 110.73± 58.59hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 1.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.1Jy ms
Fit quality
chi_sq- 1952903.449
dof- 1954837
flag_frac- 0.263