FRB 20221116J
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 252448302
- Arrival, 400 MHz
- 2022-11-16 03:26:17.856 UTC
- Right ascension
- 347.482°
- Declination
- 48.802°
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 | 59899.14326222593 | 59899.143262377525 | 59899.14326230802 |
| Arrival time, infinite frequencyMJD | 59899.143194721415 | 59899.14319487301 | 59899.1431948035 |
| Width (fitburst)s | 0.007281 | 0.009588 | 0.004477 |
| Peak frequencyMHz | 566.2 | 495.7 | 440.9 |
| Lowest frequencyMHz | 508.2 | 427.8 | 413.1 |
| Highest frequencyMHz | 630.8 | 574.4 | 470.5 |
| Spectral index | 136.82 | 45.39 | 105.19 |
| Spectral running | -197.17 | -106.02 | -543.02 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.482± 0.169degrees
dec- 48.802± 0.176degrees
gl- 106.23degrees
gb- -10.75degrees
Detection and dispersion
bonsai_snr- 23.1
snr_fitb- 40.9
bonsai_dm- 224.8pc cm⁻³
dm_fitb- 225.1166± 0.32131pc cm⁻³
dm_exc_ne2001- 99.4pc cm⁻³
dm_exc_ymw16- 102.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59899.14326222593± 4.83 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59899.143194721415± 1.08 × 10⁻⁷MJD
Burst shape
bc_width- 0.03539s
width_fitbDiffers between sub-bursts.- 0.007281± 0.0005796s
scat_time- 0.000000s
Flux and spectrum
flux- 0.49± 0.35Jy
fluence- 10.05± 4.82Jy ms
peak_freqDiffers between sub-bursts.- 566.2MHz
low_freqDiffers between sub-bursts.- 508.2MHz
high_freqDiffers between sub-bursts.- 630.8MHz
sp_idxDiffers between sub-bursts.- 136.82± 35.57
sp_runDiffers between sub-bursts.- -197.17± 48.83
Exposure and fluence thresholds
exp_up- 127.85± 59.52hour
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- 1859056.625
dof- 1860716
flag_frac- 0.299