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MCC 99
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Star MCC 99

Binary star MCC 99 is located 56 light years away from the Sun. It consists of 2 red dwarf stars. For now, there are no known exoplanets in this star system.
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Sun distance
56 light years
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MCC 99 A

Red dwarf
Spectral class: M2.0Ve

Location +

Ascension iconRight ascension: 3h 9m 30.822s
Declination iconDeclination: 45° 43' 59.026'' (northern hemisphere)
Parallax iconParallax: 58.123
Distance iconSun distance: 56.115 ly | 17.2 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: 50 % M Sun
| 481.9 M Jupiter
 (estimate)
+
Star mass
The mass of the star MCC 99 A 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
| 4.6 R Jupiter
(estimate)
+
Star size
Radius of the star MCC 99 A 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: 3600 K
 (estimate)
+
Star temperature
Surface temperature of MCC 99 A is estimated to be 3622 K, which is 62 % 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): -1.2
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

MCC 99 B

Red dwarf

Basic characteristic

icon weight
Mass: 50 % M Sun
| 492.4 M Jupiter
 (estimate)
+
Star mass
The mass of the star MCC 99 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
| 5.1 R Jupiter
(estimate)
+
Star size
Radius of the star MCC 99 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: 5600 K
 (estimate)
+
Star temperature
Surface temperature of MCC 99 B is estimated to be 5610 K, which is 97 % 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): -1.2
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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MCC 99 system structure

 MCC 99 A
MCC 99 B

More about MCC 99

       MCC 99 can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
HIP 14669, Furuhjelm III-92, GJ 125, Gliese 125, 2MASS J03093085+4543586, TIC 192590404, TYC 3310-917-1, WISEA J030930.36+454355.0
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External sources
gaia icon
Gaia database (Gaia EDR3 434690036555954304)
Archive from the Gaia mission

Frequently Asked Questions

How far is the MCC 99 system from the Sun?

The MCC 99 system is 56 light years or 17.2 parsecs from the Sun.

What galaxy is the MCC 99 star in?

The MCC 99 is in the Milky Way galaxy just like the Sun.

How many stars are in the MCC 99 system?

The MCC 99 system contains 2 stars.

What type of star is the MCC 99?

The primary in the MCC 99 system is a Red dwarf star.

What temperature is the MCC 99?

The primary in the MCC 99 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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