FRB 20221030C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 249897405
- Arrival, 400 MHz
- 2022-10-30 04:34:56.636 UTC
- Right ascension
- 347.321°
- Declination
- 48.669°
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 | 59882.19093328971 | 59882.190933168284 | 59882.19093349045 |
| Arrival time, infinite frequencyMJD | 59882.190867481346 | 59882.19086735992 | 59882.19086768208 |
| Width (fitburst)s | 0.015222 | 0.000767 | 0.002764 |
| Peak frequencyMHz | 434.1 | 425.7 | 422.9 |
| Lowest frequencyMHz | 418.1 | 400.2 | 400.2 |
| Highest frequencyMHz | 450.8 | 481.7 | 468.6 |
| Spectral index | 264.01 | 18.63 | 24.05 |
| Spectral running | -1621.56 | -150.73 | -218.03 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.321± 0.170degrees
dec- 48.669± 0.043degrees
gl- 106.08degrees
gb- -10.83degrees
Detection and dispersion
bonsai_snr- 27.8
snr_fitb- 55.6
bonsai_dm- 218.8pc cm⁻³
dm_fitb- 219.4603± 0.01431pc cm⁻³
dm_exc_ne2001- 94.5pc cm⁻³
dm_exc_ymw16- 97.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59882.19093328971± 3.03 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59882.190867481346± 3.06 × 10⁻⁸MJD
Burst shape
bc_width- 0.00197s
width_fitbDiffers between sub-bursts.- 0.015222± 0.0021479s
scat_time- 0.000000s
Flux and spectrum
flux- 1.29± 0.52Jy
fluence- 7.10± 2.53Jy ms
peak_freqDiffers between sub-bursts.- 434.1MHz
low_freqDiffers between sub-bursts.- 418.1MHz
high_freqDiffers between sub-bursts.- 450.8MHz
sp_idxDiffers between sub-bursts.- 264.01± 132.63
sp_runDiffers between sub-bursts.- -1621.56± 846.59
Exposure and fluence thresholds
exp_up- 89.41± 67.58hour
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- 1956138.099
dof- 1959212
flag_frac- 0.262