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HD 43587 Aa
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Star HD 43587 Aa

Multiple star system HD 43587 Aa is located 63 light years away from the Sun. It is a system with 4 stars. For now, there are no known exoplanets in this star system.
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Sun distance
63 light years
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HD 43587 Aa

Yellow star, Spectroscopic binary
Spectral class: G0V

Location +

Ascension iconRight ascension: 6h 17m 15.906s
Declination iconDeclination: 5° 6' 2.571'' (equatorial region)
Parallax iconParallax: 51.616
Distance iconSun distance: 63.188 ly | 19.4 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: 104.9 % M Sun
| 1099 M Jupiter
+
Star mass
Mass of the star HD 43587 Aa is 1.049 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: 115 % R Sun
| 11.4 R Jupiter
+
Star size
Radius of the star HD 43587 Aa is 1.15 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: 5947 K | 1.03 T Sun
+
Star temperature
Surface temperature of HD 43587 Aa is 5947 K, which is 103 % 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
luminosity icon
Luminosity: 4.97 L Sun
+
Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide

Photometry

Magnitude iconAbsolute magnitude (V): -1.4
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 43587 Ab

Red dwarf, , Spectroscopic binary
Spectral class: M0V

Basic characteristic

icon weight
Mass: 60 % M Sun
| 607.6 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 43587 Ab is unknown. Based on its other characteristics, it is estimated to be about 60 % 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: 60 % R Sun
| 5.8 R Jupiter
(estimate)
+
Star size
Radius of the star HD 43587 Ab is not known. Its estimated value based on other similar stars is about 60 % 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: 3900 K
 (estimate)
+
Star temperature
Surface temperature of HD 43587 Ab is estimated to be 3909 K, which is 67 % 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 iconAbsolute magnitude (V): -1.4
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 43587 B

Red dwarf, , , Spectroscopic binary
Spectral class: M3.5V

Basic characteristic

icon weight
Mass: 25 % M Sun
| 262 M Jupiter
+
Star mass
Mass of the star HD 43587 B is 0.58 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: 30 % R Sun
| 2.8 R Jupiter
(estimate)
+
Star size
Radius of the star HD 43587 B is not known. Its estimated value based on other similar stars is about 30 % 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: 3300 K
 (estimate)
+
Star temperature
Surface temperature of HD 43587 B is estimated to be 3341 K, which is 57 % 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 iconAbsolute magnitude (V): -1.4
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 43587 C

Red dwarf, , , , Spectroscopic binary
Spectral class: M5V

Basic characteristic

icon weight
Mass: 12 % M Sun
| 126 M Jupiter
+
Star mass
Mass of the star HD 43587 C is 0.25 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: 20 % R Sun
| 1.5 R Jupiter
(estimate)
+
Star size
Radius of the star HD 43587 C is not known. Its estimated value based on other similar stars is about 20 % 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: 3200 K
 (estimate)
+
Star temperature
Surface temperature of HD 43587 C is estimated to be 3207 K, which is 55 % 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 iconAbsolute magnitude (V): -1.4
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 43587 Aa system structure

 HD 43587 Aa
HD 43587 Ab
HD 43587 B
HD 43587 C

More about HD 43587 Aa

       HD 43587 Aa can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
NLTT 16333, WDS J06173+0506E, LEP 24AE, HIP 29860, Gliese 231.1, GJ 231.1, HR 2251, WDS J06173+0506Aa,Ab, LEP 24, Gaia DR3 3317901165746471552
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Frequently Asked Questions

How far is the HD 43587 Aa system from the Sun?

The HD 43587 Aa system is 63 light years or 19.4 parsecs from the Sun.

What galaxy is the HD 43587 Aa star in?

The HD 43587 Aa is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 43587 Aa system?

The HD 43587 Aa system contains 4 stars.

What type of star is the HD 43587 Aa?

The primary in the HD 43587 Aa system is a Yellow star star.

What temperature is star HD 43587 Aa?

The primary in the HD 43587 Aa system has a temperature of 5947 K. Find out more about the temperature of stars in Stellar guide
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GSC 00143-02035
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Gaia DR2 3330473222213987072
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HD 42807
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LSPM J0636+0619
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