FRB 20221022C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 247387916
- Arrival, 400 MHz
- 2022-10-22 05:11:14.628 UTC
- Right ascension
- 347.284°
- Declination
- 48.801°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 59874.216141416284 | 59874.2161415303 |
| Arrival time, infinite frequencyMJD | 59874.21607505988 | 59874.21607517389 |
| Width (fitburst)s | 0.004950 | 0.005001 |
| Peak frequencyMHz | 620.5 | 518.5 |
| Lowest frequencyMHz | 527.3 | 413.5 |
| Highest frequencyMHz | 730.2 | 650.2 |
| Spectral index | 76.27 | 23.27 |
| Spectral running | -86.95 | -44.93 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.284± 0.159degrees
dec- 48.801± 0.184degrees
gl- 106.11degrees
gb- -10.70degrees
Detection and dispersion
bonsai_snr- 14.9
snr_fitb- 24.2
bonsai_dm- 222.4pc cm⁻³
dm_fitb- 221.2879± 0.20987pc cm⁻³
dm_exc_ne2001- 95.1pc cm⁻³
dm_exc_ymw16- 97.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59874.2161415303± 2.41 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59874.21607517389± 6.74 × 10⁻⁸MJD
Burst shape
bc_width- 0.01769s
width_fitbDiffers between sub-bursts.- 0.005001± 0.0004153s
scat_time- 0.000000s
Flux and spectrum
flux- 0.43± 0.27Jy
fluence- 5.59± 2.33Jy ms
peak_freqDiffers between sub-bursts.- 518.5MHz
low_freqDiffers between sub-bursts.- 413.5MHz
high_freqDiffers between sub-bursts.- 650.2MHz
sp_idxDiffers between sub-bursts.- 23.27± 3.40
sp_runDiffers between sub-bursts.- -44.93± 6.28
Exposure and fluence thresholds
exp_up- 125.45± 62.09hour
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- 1968849.489
dof- 1969423
flag_frac- 0.258