HD 34445

Planetary system · 150.3 light-years away · also HD 34445, HIP 24681

HD 34445 is 150 light-years from the Sun. The NASA Exoplanet Archive lists 6 planets around this G0 V star; the first was found in 2009 by radial velocity (W. M. Keck Observatory).

Fly there in 3D

Worth knowing

HD 34445 e goes round its star every 49.2 days, 1.8 times as often as Mercury goes round the Sun.

The star

Spectral typeG0 V
Surface temperature5,879 K
Mass1.14 solar masses
Radius1.38 solar radii
Luminosity2.01 times the Sun
Apparent magnitude7.31
Ageabout 8.5 billion years
Distance from the Sun150.3 light-years (46.1 parsecs)
Position (J2000)RA 79.4207°, Dec 7.3527°
ConstellationOrion

Planets (6)

PlanetYearOrbitRadiusMassFound
HD 34445 e49.2 days0.269 AU4.26 R⊕ estimated16.8 M⊕ minimumRadial Velocity, 2017
HD 34445 d117.9 days0.482 AU6.07 R⊕ estimated30.7 M⊕ minimumRadial Velocity, 2017
HD 34445 c214.7 days0.718 AU8.42 R⊕ estimated53.5 M⊕ minimumRadial Velocity, 2017
HD 34445 f676.8 days1.543 AU6.88 R⊕ estimated37.9 M⊕ minimumRadial Velocity, 2017
HD 34445 b2.9 years2.070 AU13.9 R⊕ estimated260.62 M⊕ minimumRadial Velocity, 2009
HD 34445 g15.6 years6.360 AU13.6 R⊕ estimated120.6 M⊕ minimumRadial Velocity, 2017

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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