do not follow here
Stellar Catalog more icon Nearby stars catalogue more icon
HD 73256
more icon

Star HD 73256

Binary star HD 73256 is located 120 light years away from the Sun. It consists of a subgiant and a brown dwarf. There is at least one exoplanet in this system.
Loading 3D model
Nearby stars catalogue
Sun distance
120 light years
galaxy map

HD 73256 A

Subgiant
Spectral class: G8IV

Location +

Ascension iconRight ascension: 8h 36m 22.796s
Declination iconDeclination: -30° 2' 14.368'' (southern hemisphere)
Parallax iconParallax: 27.244
Distance iconSun distance: 119.716 ly | 36.7 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: 105 % M Sun
| 1100 M Jupiter
+
Star mass
Mass of the star HD 73256 A is 1.05 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: 89 % R Sun
| 8.9 R Jupiter
+
Star size
Radius of the star HD 73256 A is 0.89 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: 5570 K | 0.96 T Sun
+
Star temperature
Surface temperature of HD 73256 A is 5570 K, which is 96 % 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: 0.83 billions years | 0.18 Sun
+
Star age
Star HD 73256 A is 0.83 billion years old, which is about 0.18 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

Photometry

Magnitude iconApparent magnitude (V): 8.1
Magnitude iconAbsolute magnitude (V): 5.3
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

HD 73256 B

Brown dwarf

Location +

Distance iconDistance from the primary: 3.8 AU

Basic characteristic

icon weight
Mass: 1.5 % M Sun
| 16 M Jupiter
+
Star mass
Mass of the star HD 73256 B is 1.05 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
temperature iconTemperature: 5400 K
 (estimate)
+
Star temperature
Surface temperature of HD 73256 B is estimated to be 5426 K, which is 93 % 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

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
Advertisement

HD 73256 system structure

 HD 73256 A
HD 73256 A b n/a 594.5 M⊕ 2.5 days
HD 73256 B 3.8 AU

More about HD 73256

       HD 73256 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
Gaia DR3 5643762781311698048
Advertisement
External sources
icon study

Frequently Asked Questions

How far is the HD 73256 system from the Sun?

The HD 73256 system is 120 light years or 36.7 parsecs from the Sun.

What galaxy is the HD 73256 star in?

The HD 73256 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 73256 system?

The HD 73256 system contains 2 stars.

What type of star is the HD 73256?

The primary in the HD 73256 system is a Subgiant star.

What temperature is star HD 73256?

The primary in the HD 73256 system has a temperature of 5570 K. Find out more about the temperature of stars in Stellar guide
Advertisement

exoplanet iconAbout Stellar Catalog

line
Working with real data
icon 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
icon 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
icon Stellar Catalog is continuously updated with new information from research papers. Stellar and planetary data are validated by automatic processes as well as humans.
Get your next news from nearby stars
Stellar Catalog brings the stars from our galaxy to you. Discover their position, physical properties and whether there are any exoplanets or disks orbiting them. The data in Stellar Catalog come from respectable sources like Gaia space telescope, or SIMBAD database.
Visit Stellar catalog on Facebook
Visit profile on X

Advertisement