FRB 20190423A
One-off burst
- Arrival, 400 MHz
- 2019-04-23 05:59:40.270 UTC
- Right ascension
- 179.680°
- Declination
- 55.250°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 58596.24977163917 | 58596.24977167645 |
| Arrival time, infinite frequencyMJD | 58596.24969887833 | 58596.24969891561 |
| Width (fitburst)s | 0.000414 | 0.002366 |
| Peak frequencyMHz | 480.7 | 400.2 |
| Highest frequencyMHz | 632.6 | 593.0 |
| Spectral index | 11.19 | -3.66 |
| Spectral running | -30.52 | -5.59 |
Loading
Loading
Position
ra- 179.680± 0.180degrees
dec- 55.250± 0.160degrees
gl- 138.14degrees
gb- 60.29degrees
Detection and dispersion
bonsai_snr- 39.0
snr_fitb- 458.5
bonsai_dm- 244.2pc cm⁻³
dm_fitb- 242.6456± 0.00060pc cm⁻³
dm_exc_ne2001- 211.0pc cm⁻³
dm_exc_ymw16- 220.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58596.24977163917± 4.70 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 58596.24969887833± 5.00 × 10⁻¹⁰MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000414± 0.0000073s
scat_time- 0.000539± 0.0000082s
Flux and spectrum
flux- 10.80± 1.70Jy
fluence- 55.40± 8.80Jy ms
peak_freqDiffers between sub-bursts.- 480.7MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 632.6MHz
sp_idxDiffers between sub-bursts.- 11.19± 0.21
sp_runDiffers between sub-bursts.- -30.52± 0.39
Exposure and fluence thresholds
exp_up- 24.00± 9.50hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 17.0Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 27.3Jy ms
Fit quality
chi_sq- 606950.905
dof- 520740
flag_frac- 0.442