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Nearby stars catalogue

HD 140283

Star HD 140283

Subgiant HD 140283 is located 202 light years away from the Sun. It is a single star of spectral class G0IV-V m-5, that has 81 % of solar mass. For now, there are no known exoplanets in this star system.

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Nearby stars catalogue

Sun distance
202 light years

HD 140283

Subgiant

Spectral class: G0IV-V m-5

Location +

Right ascension: 15h 43m 3.097s

Declination: -10° 56' 0.604'' (equatorial region)

Parallax: 16.114

Sun distance: 202.405 ly | 62.1 pc

Basic characteristic

Mass: 81 % M Sun

Size: 204 % R Sun

Temperature: 5787 K | 1 T Sun

Age: 12 billions years | 2.61 Sun

Luminosity: 4.82 L Sun

Photometry

Apparent magnitude (V): 7.2

Absolute magnitude (V): 3.2

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

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

HD 140283 system structure


	HD 140283

More about HD 140283

Star HD 140283 is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 2 times bigger than the Sun and temperature on its surface is around 5787 K (5514 °C), which is about 100 % of Sun's temperature.

       HD 140283 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.

Other designations of this star
BD−10 4149, GJ 1195, Gliese 1195, HIP 76976, SAO 159459

External sources

Asteroseismic investigation of HD 140283: The Methuselah star

Scientific study, Accepted: 13. 10. 2025

Frequently Asked Questions

How far is the HD 140283 system from the Sun?

The HD 140283 system is 202 light years or 62.1 parsecs from the Sun.

What galaxy is the HD 140283 star in?

The HD 140283 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 140283 system?

The HD 140283 is a single star, there are no other known stars in the system.

What type of star is the HD 140283?

The star HD 140283 is a Subgiant star.

What temperature is star HD 140283?

The star HD 140283 has an effective temperature of 5787 K. Find out more about the temperature of stars in Stellar guide

Class of stars Subgiant

A subgiant is a term used to describe a luminous star that is typically running out of hydrogen for nuclear fusion and is thus departing from the main sequence. These stars are classified as Yerkes luminosity class IV.

About Stellar Catalog

Working with real data

Data in Stellar Catalog come from trusted scientific sources. Primary source is Gaia space telescope mapping the stars in Milky Way. Other sources include research papers, Simbad catalog and Exoplanet.eu database.

Estimated values

Objects listed in the Stellar Catalog often have values that are estimates. These estimates are determined using their known characteristics, such as spectral type, brightness across different wavelengths, distance from a star, and other factors.

Fresh and validated

Stellar Catalog is continuously updated with new information from research papers. Stellar and planetary data are validated by automatic processes as well as humans.