FRB 20210612B
A burst from FRB20190208A
- Repeater
- FRB20190208A
- Event ID
- 173825813
- Arrival, 400 MHz
- 2021-06-12 09:27:03.994 UTC
- Right ascension
- 283.524°
- Declination
- 46.963°
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 | 59377.39379610836 | 59377.3937962228 |
| Arrival time, infinite frequencyMJD | 59377.39362220623 | 59377.39362232068 |
| Width (fitburst)s | 0.000579 | 0.001964 |
| Peak frequencyMHz | 545.3 | 422.6 |
| Lowest frequencyMHz | 464.1 | 400.2 |
| Highest frequencyMHz | 640.8 | 467.0 |
| Spectral index | 54.73 | 25.30 |
| Spectral running | -88.44 | -231.68 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 283.524± 0.217degrees
dec- 46.963± 0.217degrees
gl- 76.72degrees
gb- 19.04degrees
Detection and dispersion
bonsai_snr- 12.3
snr_fitb- 19.4
bonsai_dm- 580.3pc cm⁻³
dm_fitb- 579.9355± 0.03239pc cm⁻³
dm_exc_ne2001- 508.4pc cm⁻³
dm_exc_ymw16- 514.5pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59377.3937962228± 2.48 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59377.39362232068± 1.00 × 10⁻⁸MJD
Burst shape
bc_width- 0.01573s
width_fitbDiffers between sub-bursts.- 0.001964± 0.0001924s
scat_time- 0.000000s
Flux and spectrum
flux- 0.42± 0.21Jy
fluence- 3.86± 1.15Jy ms
peak_freqDiffers between sub-bursts.- 422.6MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 467.0MHz
sp_idxDiffers between sub-bursts.- 25.30± 8.39
sp_runDiffers between sub-bursts.- -231.68± 65.46
Exposure and fluence thresholds
exp_up- 110.76± 64.46hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.1Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.5Jy ms
Fit quality
chi_sq- 2099141.884
dof- 2099509
flag_frac- 0.209