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HIP 65
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Star HIP 65

Binary star HIP 65 is located 202 light years away from the Sun. It consists of a orange star and a red dwarf. There is at least one exoplanet in this system.
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Sun distance
202 light years
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HIP 65 A

Orange star
Spectral class: K4V

Location +

Ascension iconRight ascension: 0h 0m 44.541s
Declination iconDeclination: -54° 49' 50.998'' (southern hemisphere)
Parallax iconParallax: 16.164
Distance iconSun distance: 201.777 ly | 61.9 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: 78.1 % M Sun
| 818 M Jupiter
+
Star mass
Mass of the star HIP 65 A is 0.781 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: 72 % R Sun
| 7.2 R Jupiter
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Star size
Radius of the star HIP 65 A is 0.7242 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: 4590.0 K | 0.79 T Sun
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Star temperature
Surface temperature of HIP 65 A is 4590.0 K, which is 79 % 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: 4.1 billions years | 0.89 Sun
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Star age
Star HIP 65 A is 4.1 billion years old, which is about 0.89 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): 11
Magnitude iconAbsolute magnitude (V): 7
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

HIP 65 B

Red dwarf

Location +

Distance iconDistance from the primary: 245 AU

Basic characteristic

icon weight
Mass: 30 % M Sun
| 272.4 M Jupiter
 (estimate)
+
Star mass
The mass of the star HIP 65 B is unknown. Based on its other characteristics, it is estimated to be about 30 % 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: 30 % R Sun
| 2.9 R Jupiter
(estimate)
+
Star size
Radius of the star HIP 65 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 HIP 65 B is estimated to be 3300 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

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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HIP 65 system structure

 HIP 65 A
HIP 65 A b 0.02 AU 1021.4 M⊕ 22.8 R⊕ 1 days
HIP 65 B 245 AU

More about HIP 65

       HIP 65 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
TOI-129, Gaia DR3 4923860051276772608
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External sources
icon study
icon study
gaia icon
Gaia database (Gaia DR3 4923860051276772480)
Archive from the Gaia mission

Frequently Asked Questions

How far is the HIP 65 system from the Sun?

The HIP 65 system is 202 light years or 61.9 parsecs from the Sun.

What galaxy is the HIP 65 star in?

The HIP 65 is in the Milky Way galaxy just like the Sun.

How many stars are in the HIP 65 system?

The HIP 65 system contains 2 stars.

What type of star is the HIP 65?

The primary in the HIP 65 system is a Orange star star.

What temperature is star HIP 65?

The primary in the HIP 65 system has a temperature of 4590.0 K. Find out more about the temperature of stars in Stellar guide
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