FRB 20230708C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 301857457
- Arrival, 400 MHz
- 2023-07-08 12:09:21.782 UTC
- Right ascension
- 347.432°
- Declination
- 48.671°
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 | 60133.50650156077 | 60133.50650211012 |
| Arrival time, infinite frequencyMJD | 60133.50643526686 | 60133.506435816205 |
| Width (fitburst)s | 0.005882 | 0.001682 |
| Peak frequencyMHz | 422.3 | 460.3 |
| Lowest frequencyMHz | 400.2 | 402.7 |
| Highest frequencyMHz | 464.8 | 526.1 |
| Spectral index | 26.87 | 36.04 |
| Spectral running | -250.23 | -128.82 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.432± 0.190degrees
dec- 48.671± 0.067degrees
gl- 106.15degrees
gb- -10.86degrees
Detection and dispersion
bonsai_snr- 15.9
snr_fitb- 38.3
bonsai_dm- 222.4pc cm⁻³
dm_fitb- 221.0795± 0.09278pc cm⁻³
dm_exc_ne2001- 96.4pc cm⁻³
dm_exc_ymw16- 99.5pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60133.50650211012± 7.08 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 60133.506435816205± 2.87 × 10⁻⁸MJD
Burst shape
bc_width- 0.02458s
width_fitbDiffers between sub-bursts.- 0.001682± 0.0001711s
scat_time- 0.000000s
Flux and spectrum
flux- 0.57± 0.24Jy
fluence- 5.63± 1.69Jy ms
peak_freqDiffers between sub-bursts.- 460.3MHz
low_freqDiffers between sub-bursts.- 402.7MHz
high_freqDiffers between sub-bursts.- 526.1MHz
sp_idxDiffers between sub-bursts.- 36.04± 8.46
sp_runDiffers between sub-bursts.- -128.82± 31.92
Exposure and fluence thresholds
exp_up- 95.65± 69.42hour
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- 1792522.148
dof- 1793977
flag_frac- 0.324