Exoplanet

TrES-1 b

Orbiting TrES-1

Overview

TrES-1 b is an exoplanet orbiting the star TrES-1, discovered in 2004 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.67

Earth radii

015 R⊕

Mass

266.98

Earth masses

0500 M⊕

Orbital Period

3.0

days

0.1d10,000d

Distance

159.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

12.67

Mass (Earth masses)

266.98

Measured

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

3.030+0.000−0.000days

Planet Mass (Earth masses)

266.98+34.96−34.96

Planet Mass (Jupiter masses)

0.8400+0.1100−0.1100

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

115.20+6.20−6.20m/s

Distance from Earth

159.7 pc (~521 ly)

Spectral Type

Unknown

Temperature

5230 K

Mass (Solar)

1.04 M☉

Radius (Solar)

0.85 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

286.0409°, 36.6325°

Discovery Method

Transit

Discovery Year

2004

Data Sources
NASA Exoplanet Archive

Source ID: TrES-1 b

System Context

TrES-1 b orbits TrES-1 and was reported in 2004 and was detected with the Transit method.

Published measurements list a radius of 12.67 Earth radii, a mass of 266.98 Earth masses, and an orbital period of 3.03 days.

Catalog data places the system at about 159.7 parsecs from Earth and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open TrES-1