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TrES-1
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Star TrES-1

Orange star TrES-1 is located 521 light years away from the Sun. It is a single star of spectral class K0V, that has 88 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
521 light years
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TrES-1

Orange star
Spectral class: K0V

Location +

Ascension iconRight ascension: 19h 4m 9.810s
Declination iconDeclination: 36° 37' 57.119'' (northern hemisphere)
Parallax iconParallax: 6.265
Distance iconSun distance: 520.615 ly | 159.6 pc
Star position
The position of a star tells us where it appears in the sky, similar to how we use coordinates like latitude and longitude on Earth. In astronomy, the three main coordinates are right ascension, declination and distance. .. icon More about Star position in StellarGuide

Basic characteristic

icon weight
Mass: 88 % M Sun
| 922 M Jupiter
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Star mass
Mass of the star TrES-1 is 0.88 solar masses.

The mass of a star is the total amount of matter it contains. It is one of the most important properties of a star, as it determines almost everything about how the star lives, changes, and dies. In astronomy, star mass is usually measured in solar masses (M☉) — where 1 solar mass is equal to the mass of our Sun... icon More about Star mass in StellarGuide
radius icon
Size: 85 % R Sun
| 8.5 R Jupiter
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Star size
Radius of the star TrES-1 is 0.85 solar radii.

The size of a star refers to its radius — the distance from its center to its surface. Star size is usually measured in solar radii (R☉), where 1 solar radius equals approximately 696,000 kilometers. Depending on their type and life stage, stars can be much smaller or larger than the Sun... icon More about Star size in StellarGuide
temperature iconTemperature: 5300 K
 (estimate)
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Star temperature
Surface temperature of TrES-1 is estimated to be 5259 K, which is 92 % of the temperature on the surface of the Sun.

The temperature of a star refers to the temperature at its surface, also called the photosphere. It is measured in kelvins (K), the standard unit for temperature in astronomy. A star’s temperature tells us a lot about its physical properties and where it stands in its evolutionary stage... icon More about Star temperature in StellarGuide
time icon
Age: 2.5 billions years | 0.54 Sun
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Star age
Star TrES-1 is 2.5 billion years old, which is about 0.54 of the Sun's age.

The age of a star tells us how long it has been shining since it formed. Knowing a star’s age helps astronomers understand its life stage, how it has changed over time, and what will happen to it in the future... icon More about Star age in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 11.8
Magnitude iconAbsolute magnitude (V): 5.8
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
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TrES-1 system structure

 TrES-1
TrES-1 b 0.04 AU 241.9 M⊕ 12.3 R⊕ 3 days

More about TrES-1

Star TrES-1 is a main sequence star that fuses hydrogen atoms into helium. 
       TrES-1 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
TrES-1 Parent Star, V672 Lyr, TYC 2652-1324-1, 2MASS 19040985+3637574, Gaia DR3 2098964849867337856
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External sources
icon study
gaia icon
Gaia database (Gaia DR3 2098964849867337856)
Archive from the Gaia mission

Frequently Asked Questions

How far is the TrES-1 system from the Sun?

The TrES-1 system is 521 light years or 159.6 parsecs from the Sun.

What galaxy is the TrES-1 star in?

The TrES-1 is in the Milky Way galaxy just like the Sun.

How many stars are in the TrES-1 system?

The TrES-1 is a single star, there are no other known stars in the system.

What type of star is the TrES-1?

The star TrES-1 is a Orange star star.

What temperature is the TrES-1?

The primary in the TrES-1 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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Estimated values
icon Objects listed in the Stellar Catalog often have values that are estimates. These estimates are determined using their known characteristics, such as spectral type, brightness across different wavelengths, distance from a star, and other factors.
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