FRB 20220711B
A burst from FRB20220529A
- Repeater
- FRB20220529A
- Event ID
- 235408188
- Arrival, 400 MHz
- 2022-07-11 13:57:47.225 UTC
- Right ascension
- 19.179°
- Declination
- 20.497°
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 | 59771.58179658141 | 59771.58179672662 | 59771.58179678958 |
| Arrival time, infinite frequencyMJD | 59771.58172273915 | 59771.58172288436 | 59771.58172294732 |
| Width (fitburst)s | 0.000575 | 0.003605 | 0.000777 |
| Peak frequencyMHz | 611.3 | 452.8 | 425.9 |
| Lowest frequencyMHz | 557.5 | 400.2 | 400.2 |
| Highest frequencyMHz | 670.2 | 526.9 | 484.0 |
| Spectral index | 230.39 | 24.74 | 17.56 |
| Spectral running | -271.96 | -100.21 | -140.79 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 19.179± 0.041degrees
dec- 20.497± 0.219degrees
gl- 130.90degrees
gb- -41.98degrees
Detection and dispersion
bonsai_snr- 14.2
snr_fitb- 22.9
bonsai_dm- 248.3pc cm⁻³
dm_fitb- 246.2520± 0.03734pc cm⁻³
dm_exc_ne2001- 206.2pc cm⁻³
dm_exc_ymw16- 215.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59771.58179658141± 6.37 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59771.58172273915± 1.29 × 10⁻⁸MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000575± 0.0000679s
scat_time- 0.000000s
Flux and spectrum
flux- 0.49± 0.32Jy
fluence- 4.29± 1.50Jy ms
peak_freqDiffers between sub-bursts.- 611.3MHz
low_freqDiffers between sub-bursts.- 557.5MHz
high_freqDiffers between sub-bursts.- 670.2MHz
sp_idxDiffers between sub-bursts.- 230.39± 100.32
sp_runDiffers between sub-bursts.- -271.96± 117.99
Exposure and fluence thresholds
exp_up- 87.63± 44.75hour
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- 1765600.874
dof- 1766108
flag_frac- 0.335