FRB 20220910A
One-off burst
- Event ID
- 244647513
- Arrival, 400 MHz
- 2022-09-10 17:50:46.455 UTC
- Right ascension
- 136.980°
- Declination
- 38.491°
How the sub-bursts differ
This burst has 3 sub-bursts. These 7 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 | 59832.74359323061 | 59832.74359327491 | 59832.74359331516 |
| Arrival time, infinite frequencyMJD | 59832.74347041085 | 59832.74347045515 | 59832.7434704954 |
| Width (fitburst)s | 0.000242 | 0.000452 | 0.000370 |
| Peak frequencyMHz | 428.7 | 555.3 | 476.2 |
| Highest frequencyMHz | 699.2 | 800.2 | 666.7 |
| Spectral index | 1.33 | 6.40 | 7.07 |
| Spectral running | -9.63 | -9.77 | -20.33 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 136.980± 0.154degrees
dec- 38.491± 0.151degrees
gl- 184.30degrees
gb- 42.42degrees
Detection and dispersion
bonsai_snr- 45.7
snr_fitb- 72.3
bonsai_dm- 410.0pc cm⁻³
dm_fitb- 409.5840± 0.00225pc cm⁻³
dm_exc_ne2001- 366.1pc cm⁻³
dm_exc_ymw16- 376.5pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59832.74359323061± 3.04 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59832.74347041085± 7.40 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.000242± 0.0000116s
scat_time- 0.002121± 0.0000700s
Flux and spectrum
flux- 1.75± 0.49Jy
fluence- 9.89± 2.31Jy ms
peak_freqDiffers between sub-bursts.- 428.7MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 699.2MHz
sp_idxDiffers between sub-bursts.- 1.33± 0.45
sp_runDiffers between sub-bursts.- -9.63± 0.96
Exposure and fluence thresholds
exp_up- 122.31± 33.32hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 2.3Jy ms
low_ft_95- —
up_ft_95- 3.8Jy ms
Fit quality
chi_sq- 1783086.868
dof- 1788301
flag_frac- 0.326