HAT-P-44

Planetary system · 1134.5 light-years away

HAT-P-44 is 1,135 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 5,295 K star; the first was found in 2014 by transit (HATNet).

Fly there in 3D

Worth knowing

HAT-P-44 b goes round its star every 4.30 days, 20 times as often as Mercury goes round the Sun.

The star

Surface temperature5,295 K
Mass0.942 solar masses
Radius0.949 solar radii
Luminosity0.6397 times the Sun
Apparent magnitude13.225
Ageabout 7.5 billion years
Distance from the Sun1134.5 light-years (347.8 parsecs)
Position (J2000)RA 213.1439°, Dec 47.0148°
ConstellationBoötes

Planets (2)

PlanetYearOrbitRadiusMassFound
HAT-P-44 b4.30 days0.0507 AU13.922 R⊕111.87 M⊕Transit, 2014
HAT-P-44 c872.2 days1.752 AU13 R⊕ estimated1271.3 M⊕ minimumRadial Velocity, 2014

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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