FRB 20190422A
One-off burst
- Event ID
- 37607693
- Arrival, 400 MHz
- 2019-04-22 21:13:25.628 UTC
- Right ascension
- 48.600°
- Declination
- 35.152°
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 | 58595.88432425218 | 58595.884324395556 |
| Arrival time, infinite frequencyMJD | 58595.88418845457 | 58595.88418859794 |
| Width (fitburst)s | 0.000555 | 0.000772 |
| Peak frequencyMHz | 645.0 | 595.8 |
| Lowest frequencyMHz | 597.6 | 494.0 |
| Highest frequencyMHz | 696.2 | 718.7 |
| Spectral index | 376.82 | 52.11 |
| Spectral running | -394.71 | -65.46 |
Loading
Loading
Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 48.600± 0.192degrees
dec- 35.152± 0.197degrees
gl- 153.30degrees
gb- -19.15degrees
Detection and dispersion
bonsai_snr- 18.3
snr_fitb- 30.0
bonsai_dm- 452.9pc cm⁻³
dm_fitb- 452.8631± 0.11245pc cm⁻³
dm_exc_ne2001- 373.1pc cm⁻³
dm_exc_ymw16- 367.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58595.884324395556± 1.95 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58595.88418859794± 3.89 × 10⁻⁸MJD
Burst shape
bc_width- 0.01966s
width_fitbDiffers between sub-bursts.- 0.000772± 0.0002395s
scat_time- 0.038306± 0.0039836s
Flux and spectrum
flux- 0.73± 0.30Jy
fluence- 9.35± 2.84Jy ms
peak_freqDiffers between sub-bursts.- 595.8MHz
low_freqDiffers between sub-bursts.- 494.0MHz
high_freqDiffers between sub-bursts.- 718.7MHz
sp_idxDiffers between sub-bursts.- 52.11± 7.76
sp_runDiffers between sub-bursts.- -65.46± 8.86
Exposure and fluence thresholds
exp_up- 98.99± 52.04hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 8.3Jy ms
low_ft_95- —
up_ft_95- 14.3Jy ms
Fit quality
chi_sq- 1932894.518
dof- 1933782
flag_frac- 0.271