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Alpha Leporis
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Star Alpha Leporis

Yellow supergiant Alpha Leporis is located 2219 light years away from the Sun. It is a single star of spectral class F0 Ib, that has 1390 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
2219 light years
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Alpha Leporis

Yellow supergiant
Spectral class: F0 Ib

Location +

Ascension iconRight ascension: 5h 32m 43.816s
Declination iconDeclination: -17° 49' 20.241'' (equatorial region)
Parallax iconParallax: 1.470
Distance iconSun distance: 2,218.748 ly | 680.3 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: 1390 % M Sun
| 14561 M Jupiter
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Star mass
Mass of the star Alpha Leporis is 13.9 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: 12900 % R Sun
| 1283.7 R Jupiter
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Star size
Radius of the star Alpha Leporis is 129 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: 6850 K | 1.19 T Sun
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Star temperature
Surface temperature of Alpha Leporis is 6850 K, which is 119 % 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: 0.013 billions years | 0 Sun
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Star age
Star Alpha Leporis is 0.013 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: 32000 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 iconAbsolute magnitude (V): -9.2
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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Alpha Leporis system structure

 Alpha Leporis

More about Alpha Leporis

Star Alpha Leporis is is much bigger than the Sun and temperature on its surface is around 6850 K (6577 °C), which is about 119 % of Sun's temperature.
       Alpha Leporis can be found in southern celestial hemisphere, and it is possible to see it with naked eye. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
Arneb, 11 Leporis, BD−17°1166, FK5 207, HD 36673, HIC 25985, HIP 25985, HR 1865, SAO 150547, α Leporis
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External sources
icon study
Magnetic field monitoring of four massive A-F supergiants
Scientific study, Accepted: 30. 06. 2025

Frequently Asked Questions

How far is the Alpha Leporis system from the Sun?

The Alpha Leporis system is 2219 light years or 680.3 parsecs from the Sun.

What galaxy is the Alpha Leporis star in?

The Alpha Leporis is in the Milky Way galaxy just like the Sun.

How many stars are in the Alpha Leporis system?

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

What type of star is the Alpha Leporis?

The star Alpha Leporis is a Yellow supergiant star.

What temperature is star Alpha Leporis?

The star Alpha Leporis has an effective temperature of 6850 K. Find out more about the temperature of stars in Stellar guide
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