FRB 20221014D
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 246248470
- Arrival, 400 MHz
- 2022-10-14 05:39:39.296 UTC
- Right ascension
- 347.178°
- Declination
- 48.800°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 59866.23587138828 | 59866.23587147949 |
| Arrival time, infinite frequencyMJD | 59866.23580550351 | 59866.23580559472 |
| Width (fitburst)s | 0.001733 | 0.001853 |
| Peak frequencyMHz | 494.1 | 493.8 |
| Highest frequencyMHz | 612.7 | 622.6 |
| Spectral index | 20.98 | 18.02 |
| Spectral running | -49.77 | -42.87 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.178± 0.215degrees
dec- 48.800± 0.220degrees
gl- 106.05degrees
gb- -10.67degrees
Detection and dispersion
bonsai_snr- 11.2
snr_fitb- 16.9
bonsai_dm- 219.2pc cm⁻³
dm_fitb- 219.7150± 0.09406pc cm⁻³
dm_exc_ne2001- 93.2pc cm⁻³
dm_exc_ymw16- 96.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59866.23587147949± 9.37 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59866.23580559472± 2.97 × 10⁻⁸MJD
Burst shape
bc_width- 0.01573s
width_fitbDiffers between sub-bursts.- 0.001853± 0.0002900s
scat_time- 0.000000s
Flux and spectrum
flux- 0.41± 0.22Jy
fluence- 4.02± 1.41Jy ms
peak_freqDiffers between sub-bursts.- 493.8MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 622.6MHz
sp_idxDiffers between sub-bursts.- 18.02± 4.41
sp_runDiffers between sub-bursts.- -42.87± 10.62
Exposure and fluence thresholds
exp_up- 116.34± 64.58hour
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- 1719345.382
dof- 1719619
flag_frac- 0.352