FRB 20210606D
A burst from FRB20190303A
- Repeater
- FRB20190303A
- Event ID
- 173198206
- Arrival, 400 MHz
- 2021-06-06 04:42:03.010 UTC
- Right ascension
- 205.513°
- Declination
- 48.248°
How the sub-bursts differ
This burst has 4 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 | Sub-burst 4 |
|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59371.195868078335 | 59371.19586817686 | 59371.195868294846 | 59371.1958682546 |
| Arrival time, infinite frequencyMJD | 59371.1958016192 | 59371.195801717724 | 59371.19580183571 | 59371.19580179547 |
| Width (fitburst)s | 0.003106 | 0.002340 | 0.011540 | 0.008175 |
| Peak frequencyMHz | 525.2 | 489.6 | 451.3 | 477.7 |
| Lowest frequencyMHz | 484.2 | 441.7 | 436.2 | 463.2 |
| Highest frequencyMHz | 569.5 | 542.7 | 466.9 | 492.7 |
| Spectral index | 189.97 | 87.67 | 475.04 | 854.49 |
| Spectral running | -349.54 | -217.37 | -1976.83 | -2412.70 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 205.513± 0.190degrees
dec- 48.248± 0.183degrees
gl- 101.29degrees
gb- 66.70degrees
Detection and dispersion
bonsai_snr- 19.6
snr_fitb- 55.6
bonsai_dm- 224.8pc cm⁻³
dm_fitb- 221.6305± 0.13481pc cm⁻³
dm_exc_ne2001- 192.6pc cm⁻³
dm_exc_ymw16- 200.0pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59371.19586817686± 1.38 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59371.195801717724± 4.27 × 10⁻⁸MJD
Burst shape
bc_width- 0.02556s
width_fitbDiffers between sub-bursts.- 0.002340± 0.0005062s
scat_time- 0.000000s
Flux and spectrum
flux- 0.49± 0.23Jy
fluence- 7.18± 1.83Jy ms
peak_freqDiffers between sub-bursts.- 489.6MHz
low_freqDiffers between sub-bursts.- 441.7MHz
high_freqDiffers between sub-bursts.- 542.7MHz
sp_idxDiffers between sub-bursts.- 87.67± 14.09
sp_runDiffers between sub-bursts.- -217.37± 34.23
Exposure and fluence thresholds
exp_up- 102.04± 62.66hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.3Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 8.8Jy ms
Fit quality
chi_sq- 2003274.803
dof- 2006349
flag_frac- 0.244