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HD 39500
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Star HD 39500

Binary star HD 39500 is located 552 light years away from the Sun. It consists of a red dwarf and a red giant. There is at least one exoplanet in this system.
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Sun distance
552 light years
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HD 39500

Red giant
Spectral class: K1III

Location +

Ascension iconRight ascension: 5h 52m 12.690s
Declination iconDeclination: -19° 3' 13.725'' (equatorial region)
Parallax iconParallax: 5.909
Distance iconSun distance: 551.682 ly | 169.1 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: 160 % M Sun
| 1623.7 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 39500 is unknown. Based on its other characteristics, it is estimated to be about 160 % 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: 930 % R Sun
| 92.3 R Jupiter
(estimate)
+
Star size
Radius of the star HD 39500 is not known. Its estimated value based on other similar stars is about 930 % 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: 4700 K
 (estimate)
+
Star temperature
Surface temperature of HD 39500 is estimated to be 4741 K, which is 81 % 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
Magnitude iconAbsolute magnitude (V): 0.9
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 39500 B

Red dwarf
Spectral class: M1V

Basic characteristic

icon weight
Mass: 50 % M Sun
| 534.3 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 39500 B is unknown. Based on its other characteristics, it is estimated to be about 50 % 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: 50 % R Sun
| 5.3 R Jupiter
(estimate)
+
Star size
Radius of the star HD 39500 B is not known. Its estimated value based on other similar stars is about 50 % 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: 3700 K
 (estimate)
+
Star temperature
Surface temperature of HD 39500 B is estimated to be 3702 K, which is 64 % 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): 15.2
Magnitude iconAbsolute magnitude (V): 9
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 39500 system structure

 HD 39500
HD 39500 B
HD 39500 B b 0.04 AU 101.4 M⊕ 11.2 R⊕ 3.3 days

More about HD 39500

       HD 39500 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
HD 39500, HIP 27721, SKY# 9688, Gaia DR3 2966587448117647872, BD-19 1289, IRAS 05500-1903, TIC 33522008, Gaia DR1 2966587443820582016, CPD-19 971, 2MASS J05521268-1903139, TYC 5939-2255-1, GSC 05939-02255, PPM 216381, YZ 109 1969, HIC 27721, SAO 150890, HATS-6, HATS-6, 2MASS J05523523-1901539, TIC 33521996, Gaia DR3 2966680597368750720, TOI-468
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Frequently Asked Questions

How far is the HD 39500 system from the Sun?

The HD 39500 system is 552 light years or 169.1 parsecs from the Sun.

What galaxy is the HD 39500 star in?

The HD 39500 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 39500 system?

The HD 39500 system contains 2 stars.

What type of star is the HD 39500?

The primary in the HD 39500 system is a Red giant star.

What temperature is the HD 39500?

The primary in the HD 39500 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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