FRB 20220615B
A burst from FRB20220529A
- Repeater
- FRB20220529A
- Event ID
- 230516265
- Arrival, 400 MHz
- 2022-06-15 15:40:47.150 UTC
- Right ascension
- 19.206°
- Declination
- 20.617°
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 | 59745.65332344724 | 59745.65332349013 | 59745.653323578554 |
| Arrival time, infinite frequencyMJD | 59745.6532494693 | 59745.65324951219 | 59745.65324960062 |
| Width (fitburst)s | 0.000035 | 0.000315 | 0.001018 |
| Peak frequencyMHz | 700.8 | 674.6 | 465.4 |
| Lowest frequencyMHz | 617.2 | 618.2 | 400.2 |
| Highest frequencyMHz | 795.7 | 736.1 | 609.1 |
| Spectral index | 159.95 | 315.71 | 9.61 |
| Spectral running | -142.73 | -302.33 | -31.83 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 19.206± 0.169degrees
dec- 20.617± 0.065degrees
gl- 130.92degrees
gb- -41.86degrees
Detection and dispersion
bonsai_snr- 22.9
snr_fitb- 47.2
bonsai_dm- 247.1pc cm⁻³
dm_fitb- 246.7045± 0.01986pc cm⁻³
dm_exc_ne2001- 206.6pc cm⁻³
dm_exc_ymw16- 215.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59745.65332349013± 3.89 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59745.65324951219± 7.11 × 10⁻⁹MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000315± 0.0000340s
scat_time- 0.012877± 0.0007019s
Flux and spectrum
flux- 2.00± 0.97Jy
fluence- 11.18± 4.01Jy ms
peak_freqDiffers between sub-bursts.- 674.6MHz
low_freqDiffers between sub-bursts.- 618.2MHz
high_freqDiffers between sub-bursts.- 736.1MHz
sp_idxDiffers between sub-bursts.- 315.71± 34.43
sp_runDiffers between sub-bursts.- -302.33± 32.81
Exposure and fluence thresholds
exp_up- 97.65± 34.59hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.7Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.8Jy ms
Fit quality
chi_sq- 1671395.632
dof- 1673605
flag_frac- 0.369