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HD 28255
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Star HD 28255

Binary star HD 28255 is located 90 light years away from the Sun. It consists of 2 yellow star stars. For now, there are no known exoplanets in this star system.
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Sun distance
90 light years
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HD 28255 A

Yellow star, High proper motion star
Spectral class: G4V

Location +

Ascension iconRight ascension: 4h 24m 12.002s
Declination iconDeclination: -57° 4' 18.015'' (southern hemisphere)
Parallax iconParallax: 36.329
Distance iconSun distance: 89.778 ly | 27.5 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: 100 % M Sun
| 1058 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 28255 A is unknown. Based on its other characteristics, it is estimated to be about 100 % of the Sun's mass.

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: 110 % R Sun
| 11.2 R Jupiter
(estimate)
+
Star size
Radius of the star HD 28255 A is not known. Its estimated value based on other similar stars is about 110 % 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 iconTemperature: 5700 K
 (estimate)
+
Star temperature
Surface temperature of HD 28255 A is estimated to be 5680 K, which is 99 % 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): 6.8
Magnitude iconAbsolute magnitude (V): 4.6
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 28255 B

Yellow star, High proper motion star
Spectral class: G7V

Basic characteristic

icon weight
Mass: 100 % M Sun
| 995.2 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 28255 B is unknown. Based on its other characteristics, it is estimated to be about 100 % of the Sun's mass.

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: 90 % R Sun
| 9.3 R Jupiter
(estimate)
+
Star size
Radius of the star HD 28255 B is not known. Its estimated value based on other similar stars is about 90 % 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 iconTemperature: 5500 K
 (estimate)
+
Star temperature
Surface temperature of HD 28255 B is estimated to be 5473 K, which is 95 % 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): 7.2
Magnitude iconAbsolute magnitude (V): 5
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 28255 system structure

 HD 28255 A
HD 28255 B

More about HD 28255

       HD 28255 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope.
Other designations of this star
Gaia DR3 4775347916201249792
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External sources
simbad icon
Simbad database (HD 28255B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 4775347916201249920)
Archive from the Gaia mission

Frequently Asked Questions

How far is the HD 28255 system from the Sun?

The HD 28255 system is 90 light years or 27.5 parsecs from the Sun.

What galaxy is the HD 28255 star in?

The HD 28255 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 28255 system?

The HD 28255 system contains 2 stars.

What type of star is the HD 28255?

The primary in the HD 28255 system is a Yellow star star.

What temperature is the HD 28255?

The primary in the HD 28255 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
Possible companions

 UPM J0424-5700
 - 0.2 ly
Closest stars

 CD-59 788
 - 5 ly

L 178-47
 - 5.2 ly

UCAC3 71-10590
 - 5.7 ly

HD 30278
 - 5.7 ly

L 230-205
 - 6 ly
3D map of stellar neighborhood
List of all nearby stars
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exoplanet iconAbout Stellar Catalog

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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.
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