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Canopus
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Star Canopus

Bright giant Canopus is located 309 light years away from the Sun. It is a single star of spectral class A9 II, that has 800 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
309 light years
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Canopus

Bright giant
Spectral class: A9 II

Location +

Ascension iconRight ascension: 6h 23m 57.110s
Declination iconDeclination: -52° 41' 44.381'' (southern hemisphere)
Parallax iconParallax: 10.550
Distance iconSun distance: 309.153 ly | 94.8 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: 800 % M Sun
| 8381 M Jupiter
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Star mass
Mass of the star Canopus is 8.0 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: 7330 % R Sun
| 729.4 R Jupiter
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Star size
Radius of the star Canopus is 73.3 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: 7400 K | 1.28 T Sun
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Star temperature
Surface temperature of Canopus is 7400 K, which is 128 % 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: 0.025 billions years | 0.01 Sun
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Star age
Star Canopus is 0.025 billion years old, which is about 0.01 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: 10700 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): -0.7
Magnitude iconAbsolute magnitude (V): -5.6
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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Canopus system structure

 Canopus

More about Canopus

Star Canopus is is much bigger than the Sun and temperature on its surface is around 7400 K (7127 °C), which is about 128 % of Sun's temperature.
       Canopus can be found in southern celestial hemisphere, and it is possible to see it with naked eye.
Other designations of this star
Suhayl, Suhel, Suhail, α Carinae, CPD−52°1941, FK5 245, GC 8302, HD 45348, HIP 30438, HR 2326, SAO 234480
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Frequently Asked Questions

How far is the Canopus system from the Sun?

The Canopus system is 309 light years or 94.8 parsecs from the Sun.

What galaxy is the Canopus star in?

The Canopus is in the Milky Way galaxy just like the Sun.

How many stars are in the Canopus system?

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

What type of star is the Canopus?

The star Canopus is a Bright giant star.

What temperature is star Canopus?

The star Canopus has an effective temperature of 7400 K. Find out more about the temperature of stars in Stellar guide
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