TrES-4

Planetary system · 1682.9 light-years away

TrES-4 is 1,683 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this F8 V star; the first was found in 2007 by transit (TrES).

Fly there in 3D

Worth knowing

TrES-4 b goes round its star every 3.55 days, 25 times as often as Mercury goes round the Sun.

TrES-4 is one of 2 stars in its system. The position of the other star is not catalogued, so only TrES-4 and its planets are drawn.

The star

Spectral typeF8 V
Surface temperature6,200 K
Mass1.08 solar masses
Radius1.66 solar radii
Luminosity5.315 times the Sun
Apparent magnitude11.932
Ageabout 2.2 billion years
Distance from the Sun1682.9 light-years (516.0 parsecs)
Position (J2000)RA 268.3043°, Dec 37.2117°
ConstellationHercules

Planets (1)

PlanetYearOrbitRadiusMassFound
TrES-4 b3.55 days0.0508 AU18.046 R⊕247.91 M⊕Transit, 2007

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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