FRB 20190912F
One-off burst
- Event ID
- 54225304
- Arrival, 400 MHz
- 2019-09-12 00:39:59.093 UTC
- Right ascension
- 238.905°
- Declination
- 79.852°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 58738.027767074425 | 58738.02776715846 | 58738.02776728074 |
| Arrival time, infinite frequencyMJD | 58738.02759475167 | 58738.02759483571 | 58738.02759495799 |
| Width (fitburst)s | 0.000004 | 0.000726 | 0.001723 |
| Peak frequencyMHz | 624.6 | 604.8 | 556.6 |
| Lowest frequencyMHz | 573.1 | 554.2 | 515.3 |
| Highest frequencyMHz | 680.7 | 660.1 | 601.2 |
| Spectral index | 277.18 | 248.43 | 255.50 |
| Spectral running | -311.35 | -300.76 | -387.18 |
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Position
ra- 238.905± 0.239degrees
dec- 79.852± 0.294degrees
gl- 114.14degrees
gb- 33.90degrees
Detection and dispersion
bonsai_snr- 8.8
snr_fitb- 19.0
bonsai_dm- 579.1pc cm⁻³
dm_fitb- 574.6685± 0.02101pc cm⁻³
dm_exc_ne2001- 529.6pc cm⁻³
dm_exc_ymw16- 535.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58738.02776728074± 9.62 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58738.02759495799± 1.15 × 10⁻⁸MJD
Burst shape
bc_width- 0.00492s
width_fitbDiffers between sub-bursts.- 0.001723± 0.0009786s
scat_time- 0.012280± 0.0018525s
Flux and spectrum
flux- 0.66± 0.34Jy
fluence- 4.51± 1.85Jy ms
peak_freqDiffers between sub-bursts.- 556.6MHz
low_freqDiffers between sub-bursts.- 515.3MHz
high_freqDiffers between sub-bursts.- 601.2MHz
sp_idxDiffers between sub-bursts.- 255.50± 138.34
sp_runDiffers between sub-bursts.- -387.18± 208.49
Exposure and fluence thresholds
exp_up- 392.49± 222.61hour
exp_low- 422.90± 230.12hour
low_ft_68- 11.5Jy ms
up_ft_68- 3.4Jy ms
low_ft_95- 22.0Jy ms
up_ft_95- 7.0Jy ms
Fit quality
chi_sq- 1979280.473
dof- 1979623
flag_frac- 0.254