FRB 20200729A
A burst from FRB20190907A
- Repeater
- FRB20190907A
- Event ID
- 105314031
- Arrival, 400 MHz
- 2020-07-29 19:42:05.740 UTC
- Right ascension
- 122.391°
- Declination
- 46.267°
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 | 59059.82089965246 | 59059.82089969032 | 59059.82089976885 |
| Arrival time, infinite frequencyMJD | 59059.82080689729 | 59059.820806935146 | 59059.820807013675 |
| Width (fitburst)s | 0.000799 | 0.000775 | 0.002161 |
| Peak frequencyMHz | 667.3 | 615.7 | 511.3 |
| Lowest frequencyMHz | 568.8 | 508.2 | 404.9 |
| Highest frequencyMHz | 782.8 | 745.9 | 645.7 |
| Spectral index | 92.34 | 53.89 | 20.73 |
| Spectral running | -90.30 | -62.54 | -42.30 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 122.391± 0.028degrees
dec- 46.267± 0.120degrees
gl- 173.40degrees
gb- 32.36degrees
Detection and dispersion
bonsai_snr- 24.4
snr_fitb- 45.6
bonsai_dm- 307.3pc cm⁻³
dm_fitb- 309.3235± 0.02573pc cm⁻³
dm_exc_ne2001- 256.1pc cm⁻³
dm_exc_ymw16- 259.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59059.82089976885± 3.32 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59059.820807013675± 8.40 × 10⁻⁹MJD
Burst shape
bc_width- 0.01475s
width_fitbDiffers between sub-bursts.- 0.002161± 0.0001337s
scat_time- 0.000000s
Flux and spectrum
flux- 1.32± 0.47Jy
fluence- 6.95± 2.43Jy ms
peak_freqDiffers between sub-bursts.- 511.3MHz
low_freqDiffers between sub-bursts.- 404.9MHz
high_freqDiffers between sub-bursts.- 645.7MHz
sp_idxDiffers between sub-bursts.- 20.73± 2.88
sp_runDiffers between sub-bursts.- -42.30± 5.43
Exposure and fluence thresholds
exp_up- 127.25± 54.08hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 1.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.1Jy ms
Fit quality
chi_sq- 1937710.019
dof- 1939772
flag_frac- 0.269