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EV Lacertae
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Star EV Lacertae

Red dwarf EV Lacertae is located 16 light years away from the Sun. It is a single flare star of spectral class M3.5, that has 35 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
16 light years
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EV Lacertae

Red dwarf, flare star
Spectral class: M3.5

Location +

Ascension iconRight ascension: 22h 46m 48.686s
Declination iconDeclination: 44° 19' 55.032'' (northern hemisphere)
Parallax iconParallax: 197.957
Distance iconSun distance: 16.476 ly | 5.1 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: 35 % M Sun
| 367 M Jupiter
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Star mass
Mass of the star EV Lacertae is 0.35 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: 36 % R Sun
| 3.6 R Jupiter
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Star size
Radius of the star EV Lacertae is 0.36 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 icon
Temperature: 3291 K | 0.57 T Sun
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Star temperature
Surface temperature of EV Lacertae is 3291 K, which is 57 % 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
luminosity icon
Luminosity: 0.171 L Sun
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Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 10.3
Magnitude iconAbsolute magnitude (V): 11.7
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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EV Lacertae system structure

 EV Lacertae

More about EV Lacertae

Nearby star EV Lacertae is approximately 40 % of the size of Sun and temperature on its surface is around 3291 K (3018 °C), which is about 57 % of Sun's temperature.
       EV Lacertae can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
Gliese 873, GJ 873, BD+43 4305, LHS 3853, LTT 16695, HIP 112460, PLX 5520, Gaia EDR3 1934263333784036736
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External sources
simbad icon
Simbad database (V* EV Lac)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 1934263333784036736)
Archive from the Gaia mission

Frequently Asked Questions

How far is the EV Lacertae system from the Sun?

The EV Lacertae system is 16 light years or 5.1 parsecs from the Sun.

What galaxy is the EV Lacertae star in?

The EV Lacertae is in the Milky Way galaxy just like the Sun.

How many stars are in the EV Lacertae system?

The EV Lacertae is a single star, there are no other known stars in the system.

What type of star is the EV Lacertae?

The star EV Lacertae is a Red dwarf star.

What temperature is star EV Lacertae?

The star EV Lacertae has an effective temperature of 3291 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red dwarf
Red dwarfs are small, cool stars with surface temperatures of about 2,000–3,800 K, much cooler than the Sun. They usually have 8–50% of the Sun’s mass and shine very faintly, sometimes at just a tiny fraction of the Sun’s brightness. Classified mainly as spectral type M, they are the most common stars in the Milky Way, making up roughly 70–75% of its stellar population.

They fuse hydrogen slowly through the proton–proton chain and are fully convective, which allows them to use their fuel very efficiently. As a result, red dwarfs can live for tens of billions to trillions of years—far longer than the Sun. Many exoplanets orbit red dwarfs, including some in close habitable zones, though strong stellar activity can affect planetary environments.
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