FRB 20190104A
One-off burst
- Event ID
- 24754199
- Arrival, 400 MHz
- 2019-01-04 05:49:34.167 UTC
- Right ascension
- 70.540°
- Declination
- 35.590°
How the sub-bursts differ
This burst has 2 sub-bursts. These 6 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 | 58487.242756562184 | 58487.24275665421 |
| Arrival time, infinite frequencyMJD | 58487.24259181568 | 58487.242591907714 |
| Width (fitburst)s | 0.000363 | 0.000713 |
| Peak frequencyMHz | 541.6 | 800.2 |
| Spectral index | 7.34 | 0.38 |
| Spectral running | -12.13 | -0.19 |
Loading
Loading
Notes
- This event was included in Catalog 1.
- The pulse emission region was extended during fluence estimation.
Position
ra- 70.540± 0.190degrees
dec- 35.590± 0.196degrees
gl- 166.75degrees
gb- -6.98degrees
Detection and dispersion
bonsai_snr- 17.2
snr_fitb- 24.1
bonsai_dm- 548.3pc cm⁻³
dm_fitb- 549.4029± 0.00486pc cm⁻³
dm_exc_ne2001- 397.6pc cm⁻³
dm_exc_ymw16- 346.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58487.242756562184± 7.59 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 58487.24259181568± 1.64 × 10⁻⁹MJD
Burst shape
bc_width- 0.00197s
width_fitbDiffers between sub-bursts.- 0.000363± 0.0000145s
scat_time- 0.000000s
Flux and spectrum
flux- 1.35± 0.76Jy
fluence- 3.34± 1.55Jy ms
peak_freqDiffers between sub-bursts.- 541.6MHz
low_freq- 400.2MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 7.34± 1.37
sp_runDiffers between sub-bursts.- -12.13± 1.92
Exposure and fluence thresholds
exp_up- 98.88± 52.09hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 3.2Jy ms
low_ft_95- —
up_ft_95- 6.0Jy ms
Fit quality
chi_sq- 1869708.600
dof- 1870279
flag_frac- 0.295