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EX Lupi
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Star EX Lupi

T Tauri star EX Lupi is located 505 light years away from the Sun. It is a single flare star of spectral class M0, that has 60 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
505 light years
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EX Lupi

T Tauri star, flare star
Spectral class: M0

Location +

Ascension iconRight ascension: 16h 3m 5.478s
Declination iconDeclination: -40° 18' 25.787'' (southern hemisphere)
Parallax iconParallax: 6.463
Distance iconSun distance: 504.617 ly | 154.7 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: 60 % M Sun
| 629 M Jupiter
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Star mass
Mass of the star EX Lupi is 0.6 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: 160 % R Sun
| 15.9 R Jupiter
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Star size
Radius of the star EX Lupi is 1.6 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: 3850 K | 0.67 T Sun
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Star temperature
Surface temperature of EX Lupi is 3850 K, which is 67 % 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: 1.23 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

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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EX Lupi system structure

 EX Lupi

More about EX Lupi

Star EX Lupi is is approximately 60 % bigger than the Sun and temperature on its surface is around 3850 K (3577 °C), which is about 67 % of Sun's temperature.
       EX Lupi can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
EX Lup, HD 325367, IRAS 15597-4010, HV 11976, 2MASS J16030548-4018254, TIC 69094113, WISEA J160305.49-401825.4, WRAY 15-1412, Gaia DR3 5996902860784332800
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External sources
icon study
Stable accretion in young stars: The cases of EX Lupi and TW Hya
Scientific study, Accepted: 04. 10. 2023
icon study
simbad icon
Simbad database (HD 325367)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 5996902860784332800)
Archive from the Gaia mission

Frequently Asked Questions

How far is the EX Lupi system from the Sun?

The EX Lupi system is 505 light years or 154.7 parsecs from the Sun.

What galaxy is the EX Lupi star in?

The EX Lupi is in the Milky Way galaxy just like the Sun.

How many stars are in the EX Lupi system?

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

What type of star is the EX Lupi?

The star EX Lupi is a T Tauri star star.

What temperature is star EX Lupi?

The star EX Lupi has an effective temperature of 3850 K. Find out more about the temperature of stars in Stellar guide
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