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V509 Cassiopeiae
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Star V509 Cassiopeiae

Yellow hypergiant V509 Cassiopeiae is located 15696 light years away from the Sun. It is a single star of spectral class G0Ia0, that has 1100 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
15696 light years

V509 Cassiopeiae

Spectral class: G0Ia0

Location +

Ascension iconRight ascension: 23h 0m 5.100s
Declination iconDeclination: 56° 56' 43.000'' (northern hemisphere)
Parallax iconParallax: 0.208
Distance iconSun distance: 15,695.660 ly | 4,812.3 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: 1100 % M Sun
| 11523 M Jupiter
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Star mass
Mass of the star V509 Cassiopeiae is 11 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: 500 R Sun
(estimate)
temperature icon
Temperature: 6000 K | 1.04 T Sun
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Star temperature
Surface temperature of V509 Cassiopeiae is 6000 K, which is 104 % 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: 269000 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
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V509 Cassiopeiae system structure

V509 Cassiopeiae

More about V509 Cassiopeiae

Star V509 Cassiopeiae is is much bigger than the Sun and temperature on its surface is around 6000 K (5727 °C), which is about 104 % of Sun's temperature.
       V509 Cassiopeiae can be found in northern celestial hemisphere. 
Other designations of this star
HR 8752, HD 217476, FK5 3839, HIC 113561, HIP 113561, SAO 35039, AAVSO 2255+56
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Frequently Asked Questions

How far is the V509 Cassiopeiae system from the Sun?

The V509 Cassiopeiae system is 15696 light years or 4,812.3 parsecs from the Sun.

What galaxy is the V509 Cassiopeiae star in?

The V509 Cassiopeiae is in the Milky Way galaxy just like the Sun.

How many stars are in the V509 Cassiopeiae system?

The V509 Cassiopeiae is a single star, there are no other known stars in the system.

What type of star is the V509 Cassiopeiae?

The star V509 Cassiopeiae is a Yellow hypergiant star.

What temperature is star V509 Cassiopeiae?

The star V509 Cassiopeiae has an effective temperature of 6000 K. Find out more about the temperature of stars in Stellar guide
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