FRB 20221210C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 254867849
- Arrival, 400 MHz
- 2022-12-10 01:53:19.182 UTC
- Right ascension
- 347.224°
- Declination
- 48.808°
How the sub-bursts differ
This burst has 6 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 | Sub-burst 5 | Sub-burst 6 |
|---|---|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59923.07869389276 | 59923.07869398626 | 59923.078694067226 | 59923.078694147116 | 59923.0786942386 | 59923.07869432853 |
| Arrival time, infinite frequencyMJD | 59923.07862790235 | 59923.07862799585 | 59923.078628076815 | 59923.078628156705 | 59923.07862824819 | 59923.07862833812 |
| Width (fitburst)s | 0.004364 | 0.004840 | 0.003348 | 0.003752 | 0.002295 | 0.002197 |
| Peak frequencyMHz | 629.2 | 595.4 | 567.9 | 543.2 | 503.6 | 454.3 |
| Lowest frequencyMHz | 576.9 | 537.0 | 520.6 | 495.7 | 433.0 | 404.3 |
| Highest frequencyMHz | 686.3 | 660.1 | 619.4 | 595.1 | 585.6 | 510.5 |
| Spectral index | 276.25 | 171.82 | 213.61 | 168.19 | 46.48 | 42.92 |
| Spectral running | -305.21 | -216.24 | -305.19 | -275.35 | -101.15 | -169.30 |
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Notes
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence could not be determined due to an unspecified computational failure in the fluence pipeline.
Position
ra- 347.224± 0.178degrees
dec- 48.808± 0.176degrees
gl- 106.08degrees
gb- -10.68degrees
Detection and dispersion
bonsai_snr- 22.5
snr_fitb- 48.2
bonsai_dm- 222.4pc cm⁻³
dm_fitb- 220.0673± 0.11363pc cm⁻³
dm_exc_ne2001- 93.6pc cm⁻³
dm_exc_ymw16- 96.5pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59923.0786942386± 1.17 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59923.07862824819± 3.60 × 10⁻⁸MJD
Burst shape
bc_width- 0.04424s
width_fitbDiffers between sub-bursts.- 0.002295± 0.0003280s
scat_time- 0.000000s
Flux and spectrum
flux- —
fluence- —
peak_freqDiffers between sub-bursts.- 503.6MHz
low_freqDiffers between sub-bursts.- 433.0MHz
high_freqDiffers between sub-bursts.- 585.6MHz
sp_idxDiffers between sub-bursts.- 46.48± 10.67
sp_runDiffers between sub-bursts.- -101.15± 22.42
Exposure and fluence thresholds
exp_up- 130.98± 57.10hour
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- 1924665.757
dof- 1926959
flag_frac- 0.274