FRB 20210209C
A burst from FRB20210209C
- Repeater
- FRB20210209C
- Event ID
- 157073938
- Arrival, 400 MHz
- 2021-02-09 12:04:41.508 UTC
- Right ascension
- 201.386°
- Declination
- 49.037°
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 | 59254.5032580377 | 59254.50325815386 | 59254.50325819924 |
| Arrival time, infinite frequencyMJD | 59254.50314337759 | 59254.503143493755 | 59254.50314353913 |
| Width (fitburst)s | 0.000928 | 0.001333 | 0.000669 |
| Peak frequencyMHz | 551.2 | 530.0 | 515.3 |
| Lowest frequencyMHz | 488.4 | 469.4 | 442.8 |
| Highest frequencyMHz | 622.2 | 598.4 | 599.8 |
| Spectral index | 100.60 | 87.73 | 50.56 |
| Spectral running | -157.09 | -156.12 | -99.98 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 201.386± 0.033degrees
dec- 49.037± 0.192degrees
gl- 108.45degrees
gb- 67.12degrees
Detection and dispersion
bonsai_snr- 12.8
snr_fitb- 37.6
bonsai_dm- 383.3pc cm⁻³
dm_fitb- 382.3729± 0.02312pc cm⁻³
dm_exc_ne2001- 353.8pc cm⁻³
dm_exc_ymw16- 360.9pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59254.50325819924± 2.78 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59254.50314353913± 7.47 × 10⁻⁹MJD
Burst shape
bc_width- 0.01868s
width_fitbDiffers between sub-bursts.- 0.000669± 0.0000429s
scat_time- 0.000000s
Flux and spectrum
flux- 0.56± 0.22Jy
fluence- 2.85± 0.58Jy ms
peak_freqDiffers between sub-bursts.- 515.3MHz
low_freqDiffers between sub-bursts.- 442.8MHz
high_freqDiffers between sub-bursts.- 599.8MHz
sp_idxDiffers between sub-bursts.- 50.56± 6.48
sp_runDiffers between sub-bursts.- -99.98± 12.48
Exposure and fluence thresholds
exp_up- 112.32± 60.94hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.4Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.3Jy ms
Fit quality
chi_sq- 2162743.680
dof- 2164142
flag_frac- 0.185