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Star HD 74371

HD 74371, also known as LN Vel and HIP 42679, is a massive blue supergiant star located approximately 5444 light-years from the Sun. It is a hot, luminous object characterized by a temperature of 13700 K and a radius of 73 times that of the Sun.
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Sun distance
5445 light years

HD 74371

Spectral class: B6 Iab/b

Location +

Ascension iconRight ascension: 8h 41m 56.910s
Declination iconDeclination: -45° 24' 38.491'' (southern hemisphere)
Parallax iconParallax: 0.599
Distance iconSun distance: 5,444.628 ly | 1,669.3 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

radius icon
Size: 7300 % R Sun
| 726.4 R Jupiter
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Star size
Radius of the star HD 74371 is 73 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: 13700 K | 2.37 T Sun
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Star temperature
Surface temperature of HD 74371 is 13700 K, which is 237 % 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

Photometry

Magnitude iconApparent magnitude (V): 5.2
Magnitude iconAbsolute magnitude (V): 5.2
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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HD 74371 system structure

HD 74371

More about HD 74371

Star HD 74371 is is much bigger than the Sun and temperature on its surface is around 13700 K (13427 °C), which is about 237 % of Sun's temperature.
       HD 74371 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
LN Vel, HIP 42679, Gaia DR3 5522096008597568000
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Frequently Asked Questions

How far is the HD 74371 system from the Sun?

The HD 74371 system is 5445 light years or 1,669.3 parsecs from the Sun.

What galaxy is the HD 74371 star in?

The HD 74371 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 74371 system?

The HD 74371 is a single star, there are no other known stars in the system.

What type of star is the HD 74371?

The star HD 74371 is a Blue hypergiant star.

What temperature is star HD 74371?

The star HD 74371 has an effective temperature of 13700 K. Find out more about the temperature of stars in Stellar guide

stellar brief logoStellar Brief

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24. 10. 2026
stellar brief logo
A star’s hidden vibrations, a planet’s escaping helium, and worlds wrapped in shifting clouds reveal how much can be learned from changing light. Recent observations trace WASP 121’s surface motions in infrared for the first time, map the uneven clouds of WASP-43 b, and catch helium streaming ahead of TOI-3884 b. Light patterns also place the massive star HD 74371 on a return journey toward bluer colors after its red supergiant phase, while search interest spans Proxima Centauri b, Alpha Centauri, and many other stellar neighbors.
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