HR 2562

Planetary system · 110.9 light-years away · also HD 50571, HIP 32775

HR 2562 is 111 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this F5 V star; the first was found in 2016 by imaging (Gemini Observatory).

Fly there in 3D

Worth knowing

HR 2562 b was photographed directly: it is one of the few exoplanets seen as its own point of light rather than inferred from its star.

Where the archive gives only a period or only an orbit size, the other is worked out from Kepler’s third law with the star’s mass.

The star

Spectral typeF5 V
Surface temperature6,597 K
Mass1.3 solar masses
Radius1.334 solar radii
Luminosity3.4 times the Sun
Apparent magnitude6.11
Ageabout 0.6 billion years
Distance from the Sun110.9 light-years (34.0 parsecs)
Position (J2000)RA 102.5043°, Dec -60.2487°
ConstellationPictor

Planets (1)

PlanetYearOrbitRadiusMassFound
HR 2562 b91.7 years from Kepler’s law22.200 AU12.442 R⊕6992.2 M⊕Imaging, 2016

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.

The planets, compared

For a star of 6,597 K, 3.4 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 1.67 to 2.90 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.

The light you see left 111 years ago, around 1920.

Nearest systems to it

Also found by Gemini Observatory

Sources

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