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10 Lacertae
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Star 10 Lacertae

Blue star 10 Lacertae is located 1488 light years away from the Sun. It is a single star of spectral class O9V, that has 2160 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
1488 light years
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10 Lacertae

Blue star
Spectral class: O9V

Location +

Ascension iconRight ascension: 22h 39m 15.679s
Declination iconDeclination: 39° 3' 0.883'' (northern hemisphere)
Parallax iconParallax: 2.192
Distance iconSun distance: 1,487.932 ly | 456.2 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: 2160 % M Sun
| 22628 M Jupiter
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Star mass
Mass of the star 10 Lacertae is 21.6 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: 740 % R Sun
| 73.6 R Jupiter
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Star size
Radius of the star 10 Lacertae is 7.4 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: 34550 K | 5.98 T Sun
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Star temperature
Surface temperature of 10 Lacertae is 34550 K, which is 598 % 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: 0.00355 billions years | 0 Sun
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Star age
Star 10 Lacertae is 0.00355 billion years old, which is about 0 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
luminosity icon
Luminosity: 69200 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): 4.9
Magnitude iconAbsolute magnitude (V): -3.4
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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10 Lacertae system structure

 10 Lacertae

More about 10 Lacertae

Star 10 Lacertae is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 7 times bigger than the Sun and temperature on its surface is around 34550 K (34277 °C), which is about 598 % of Sun's temperature.
       10 Lacertae can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
10 Lac, HR 8622, BD+38°4826, HD 214680, SAO 72575, HIC 111841, HIP 111841, NSV 25932, WDS J22393+3903
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Frequently Asked Questions

How far is the 10 Lacertae system from the Sun?

The 10 Lacertae system is 1488 light years or 456.2 parsecs from the Sun.

What galaxy is the 10 Lacertae star in?

The 10 Lacertae is in the Milky Way galaxy just like the Sun.

How many stars are in the 10 Lacertae system?

The 10 Lacertae is a single star, there are no other known stars in the system.

What type of star is the 10 Lacertae?

The star 10 Lacertae is a Blue star star.

What temperature is star 10 Lacertae?

The star 10 Lacertae has an effective temperature of 34550 K. Find out more about the temperature of stars in Stellar guide
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