FRB 20190915E
One-off burst
- Event ID
- 54720603
- Arrival, 400 MHz
- 2019-09-15 08:57:25.668 UTC
- Right ascension
- 8.265°
- Declination
- 77.036°
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 | 58741.37321372075 | 58741.37321375394 | 58741.37321379768 |
| Arrival time, infinite frequencyMJD | 58741.37310272772 | 58741.3731027609 | 58741.37310280464 |
| Width (fitburst)s | 0.000395 | 0.000879 | 0.001677 |
| Peak frequencyMHz | 672.6 | 688.0 | 710.9 |
| Lowest frequencyMHz | 521.0 | 507.4 | 544.7 |
| Spectral index | 36.65 | 26.90 | 37.30 |
| Spectral running | -35.29 | -24.82 | -32.46 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 8.265± 0.172degrees
dec- 77.036± 0.194degrees
gl- 121.87degrees
gb- 14.20degrees
Detection and dispersion
bonsai_snr- 28.6
snr_fitb- 51.3
bonsai_dm- 372.0pc cm⁻³
dm_fitb- 370.1438± 0.00479pc cm⁻³
dm_exc_ne2001- 270.1pc cm⁻³
dm_exc_ymw16- 239.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58741.37321375394± 1.08 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58741.3731027609± 1.80 × 10⁻⁹MJD
Burst shape
bc_width- 0.00786s
width_fitbDiffers between sub-bursts.- 0.000879± 0.0000084s
scat_time- 0.000485± 0.0000044s
Flux and spectrum
flux- 2.54± 0.61Jy
fluence- 14.26± 2.64Jy ms
peak_freqDiffers between sub-bursts.- 688.0MHz
low_freqDiffers between sub-bursts.- 507.4MHz
high_freq- 800.2MHz
sp_idxDiffers between sub-bursts.- 26.90± 6.71
sp_runDiffers between sub-bursts.- -24.82± 6.33
Exposure and fluence thresholds
exp_up- 362.35± 157.62hour
exp_low- 409.58± 113.81hour
low_ft_68- 16.2Jy ms
up_ft_68- 3.7Jy ms
low_ft_95- 26.7Jy ms
up_ft_95- 6.1Jy ms
Fit quality
chi_sq- 2009408.786
dof- 2012023
flag_frac- 0.242