FRB 20230912E
A burst from FRB20220505A
- Repeater
- FRB20220505A
- Event ID
- 318166352
- Arrival, 400 MHz
- 2023-09-12 10:12:53.615 UTC
- Right ascension
- 23.309°
- Declination
- 74.870°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 60199.425620441005 | 60199.42562054071 |
| Arrival time, infinite frequencyMJD | 60199.425438699414 | 60199.425438799124 |
| Width (fitburst)s | 0.002105 | 0.002947 |
| Peak frequencyMHz | 454.6 | 420.0 |
| Lowest frequencyMHz | 410.2 | 400.2 |
| Highest frequencyMHz | 503.7 | 495.0 |
| Spectral index | 55.70 | 8.25 |
| Spectral running | -218.57 | -85.27 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 23.309± 0.054degrees
dec- 74.870± 0.252degrees
gl- 125.71degrees
gb- 12.22degrees
Detection and dispersion
bonsai_snr- 13.4
snr_fitb- 19.0
bonsai_dm- 605.8pc cm⁻³
dm_fitb- 606.0788± 0.12169pc cm⁻³
dm_exc_ne2001- 493.2pc cm⁻³
dm_exc_ymw16- 449.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60199.42562054071± 6.34 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60199.425438799124± 3.70 × 10⁻⁸MJD
Burst shape
bc_width- 0.01671s
width_fitbDiffers between sub-bursts.- 0.002947± 0.0004203s
scat_time- 0.000000s
Flux and spectrum
flux- 0.51± 0.22Jy
fluence- 4.04± 0.90Jy ms
peak_freqDiffers between sub-bursts.- 420.0MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 495.0MHz
sp_idxDiffers between sub-bursts.- 8.25± 5.49
sp_runDiffers between sub-bursts.- -85.27± 28.80
Exposure and fluence thresholds
exp_up- 305.96± 155.94hour
exp_low- 228.21± 120.06hour
low_ft_68- 16.6Jy ms
up_ft_68- 2.9Jy ms
low_ft_95- 33.7Jy ms
up_ft_95- 5.8Jy ms
Fit quality
chi_sq- 1567994.207
dof- 1568345
flag_frac- 0.353