FRB 20211107D
A burst from FRB20190303A
- Repeater
- FRB20190303A
- Event ID
- 196078340
- Arrival, 400 MHz
- 2021-11-07 18:40:17.245 UTC
- Right ascension
- 207.991°
- Declination
- 48.116°
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 | 59525.77797736734 | 59525.77797757131 |
| Arrival time, infinite frequencyMJD | 59525.77791088198 | 59525.77791108595 |
| Width (fitburst)s | 0.002417 | 0.006418 |
| Peak frequencyMHz | 485.7 | 439.8 |
| Lowest frequencyMHz | 415.4 | 404.2 |
| Highest frequencyMHz | 567.8 | 478.5 |
| Spectral index | 36.50 | 60.84 |
| Spectral running | -94.30 | -322.58 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 207.991± 0.156degrees
dec- 48.116± 0.034degrees
gl- 97.63degrees
gb- 65.93degrees
Detection and dispersion
bonsai_snr- 23.2
snr_fitb- 50.6
bonsai_dm- 224.8pc cm⁻³
dm_fitb- 221.7179± 0.05320pc cm⁻³
dm_exc_ne2001- 192.4pc cm⁻³
dm_exc_ymw16- 199.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59525.77797736734± 5.54 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59525.77791088198± 1.69 × 10⁻⁸MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.002417± 0.0001099s
scat_time- 0.000000s
Flux and spectrum
flux- 0.76± 0.27Jy
fluence- 8.26± 2.53Jy ms
peak_freqDiffers between sub-bursts.- 485.7MHz
low_freqDiffers between sub-bursts.- 415.4MHz
high_freqDiffers between sub-bursts.- 567.8MHz
sp_idxDiffers between sub-bursts.- 36.50± 2.58
sp_runDiffers between sub-bursts.- -94.30± 6.69
Exposure and fluence thresholds
exp_up- 86.39± 63.79hour
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- 1887821.266
dof- 1890367
flag_frac- 0.288