FRB 20210603A
One-off burst
- Event ID
- 172924963
- Arrival, 400 MHz
- 2021-06-03 15:51:34.448 UTC
- Right ascension
- 10.334°
- Declination
- 21.211°
How the sub-bursts differ
This burst has 3 sub-bursts. These 7 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 | 59368.660815169686 | 59368.66081530527 | 59368.66081536539 |
| Arrival time, infinite frequencyMJD | 59368.66066517977 | 59368.66066531536 | 59368.660665375464 |
| Width (fitburst)s | 0.000408 | 0.000528 | 0.000415 |
| Peak frequencyMHz | 491.1 | 420.5 | 458.9 |
| Highest frequencyMHz | 800.2 | 576.5 | 657.7 |
| Spectral index | 2.04 | 2.29 | 4.87 |
| Spectral running | -4.97 | -23.14 | -17.78 |
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Notes
- This event should be excluded from parameter inference due to non-nominal telescope operation.
- The pulse emission region was extended during fluence estimation.
- Exposure. Event occurred during a period when the L4 metadata system was offline or misconfigured and should be excluded from population studies.
Position
ra- 10.334± 0.124degrees
dec- 21.211± 0.041degrees
gl- 119.78degrees
gb- -41.60degrees
Detection and dispersion
bonsai_snr- 136.1
snr_fitb- 250.6
bonsai_dm- 499.4pc cm⁻³
dm_fitb- 500.1921± 0.00033pc cm⁻³
dm_exc_ne2001- 460.9pc cm⁻³
dm_exc_ymw16- 469.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59368.66081536539± 1.63 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59368.660665375464± 1.90 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00197s
width_fitbDiffers between sub-bursts.- 0.000415± 0.0000108s
scat_time- 0.000000s
Flux and spectrum
flux- 13.64± 2.38Jy
fluence- 38.48± 5.25Jy ms
peak_freqDiffers between sub-bursts.- 458.9MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 657.7MHz
sp_idxDiffers between sub-bursts.- 4.87± 0.99
sp_runDiffers between sub-bursts.- -17.78± 2.24
Exposure and fluence thresholds
exp_up- 54.09± 37.28hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 3.4Jy ms
low_ft_95- —
up_ft_95- 5.3Jy ms
Fit quality
chi_sq- 1826452.942
dof- 1889228
flag_frac- 0.288