FRB 20221012C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 245936178
- Arrival, 400 MHz
- 2022-10-12 05:50:53.712 UTC
- Right ascension
- 347.418°
- Declination
- 48.751°
How the sub-bursts differ
This burst has 4 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 | Sub-burst 4 |
|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59864.243677034654 | 59864.243677147744 | 59864.24367721887 | 59864.24367734166 |
| Arrival time, infinite frequencyMJD | 59864.24361129378 | 59864.24361140688 | 59864.24361147799 | 59864.24361160079 |
| Width (fitburst)s | 0.002901 | 0.000735 | 0.000838 | 0.007426 |
| Peak frequencyMHz | 746.9 | 482.0 | 453.7 | 800.2 |
| Lowest frequencyMHz | 556.1 | 400.2 | 400.2 | 400.2 |
| Highest frequencyMHz | 800.2 | 597.4 | 578.9 | 800.2 |
| Spectral index | 33.01 | 18.58 | 9.73 | 3.96 |
| Spectral running | -26.46 | -49.95 | -38.75 | -1.96 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.418± 0.165degrees
dec- 48.751± 0.135degrees
gl- 106.17degrees
gb- -10.78degrees
Detection and dispersion
bonsai_snr- 29.0
snr_fitb- 47.9
bonsai_dm- 218.8pc cm⁻³
dm_fitb- 219.2352± 0.01919pc cm⁻³
dm_exc_ne2001- 93.8pc cm⁻³
dm_exc_ymw16- 96.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59864.24367721887± 1.82 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59864.24361147799± 6.04 × 10⁻⁹MJD
Burst shape
bc_width- 0.04227s
width_fitbDiffers between sub-bursts.- 0.000838± 0.0000999s
scat_time- 0.004773± 0.0004823s
Flux and spectrum
flux- 1.09± 0.38Jy
fluence- 11.46± 3.59Jy ms
peak_freqDiffers between sub-bursts.- 453.7MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 578.9MHz
sp_idxDiffers between sub-bursts.- 9.73± 1.42
sp_runDiffers between sub-bursts.- -38.75± 4.22
Exposure and fluence thresholds
exp_up- 107.28± 68.64hour
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- 1077029.753
dof- 1079298
flag_frac- 0.401