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V388 Cassiopeiae
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Star V388 Cassiopeiae

Binary star V388 Cassiopeiae is located 32 light years away from the Sun. It consists of 2 red dwarf stars. There is at least one exoplanet in this system.
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Sun distance
32 light years
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V388 Cassiopeiae

Red dwarf, flare star
Spectral class: M5 V

Location +

Ascension iconRight ascension: 1h 3m 21.518s
Declination iconDeclination: 62° 21' 57.213'' (northern hemisphere)
Parallax iconParallax: 101.372
Distance iconSun distance: 32.174 ly | 9.9 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: 51.5 % M Sun
| 539 M Jupiter
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Star mass
Mass of the star V388 Cassiopeiae is 0.515 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: 51 % R Sun
| 5.1 R Jupiter
+
Star size
Radius of the star V388 Cassiopeiae is 0.511 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: 3805 K | 0.66 T Sun
+
Star temperature
Surface temperature of V388 Cassiopeiae is 3805 K, which is 66 % 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: 0.04938 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 iconApparent magnitude (V): 13.2
Magnitude iconAbsolute magnitude (V): 13.2
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

Gliese 49

Red dwarf, flare star, High proper motion star
Spectral class: M1.5 V

Basic characteristic

icon weight
Mass: 51.5 % M Sun
| 539 M Jupiter
+
Star mass
Mass of the star Gliese 49 is 0.515 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: 51 % R Sun
| 5.1 R Jupiter
+
Star size
Radius of the star Gliese 49 is 0.511 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: 3805 K | 0.66 T Sun
+
Star temperature
Surface temperature of Gliese 49 is 3805 K, which is 66 % 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: 0.05 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

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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V388 Cassiopeiae system structure

 V388 Cassiopeiae
Gliese 49
Gliese 49 b 0.09 AU 5.6 M⊕ 13.9 days

More about V388 Cassiopeiae

       V388 Cassiopeiae 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
LHS 1179, BD+61 195, HIC 4872, HIP 4872, LFT 94, WNO 51A, G 244-7, NLTT 3392, LTT 10363, 2MASS J01023895+6220422, Wolf 46, GJ 49, V388 Cas, Gliese 51, Wolf 47, WNO 51B, LFT 95, LHS 1183, LTT 10364, BD+61 195B, NLTT 3445, G 243-55, 2MASS J01031971+6221557, TIC 52183206, Zkh 21, WISEA J010320.94+622156.8, Gaia EDR3 522864272041351296
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External sources
icon study
simbad icon
Simbad database (BD+61 195)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 522863309964987520)
Archive from the Gaia mission

Frequently Asked Questions

How far is the V388 Cassiopeiae system from the Sun?

The V388 Cassiopeiae system is 32 light years or 9.9 parsecs from the Sun.

What galaxy is the V388 Cassiopeiae star in?

The V388 Cassiopeiae is in the Milky Way galaxy just like the Sun.

How many stars are in the V388 Cassiopeiae system?

The V388 Cassiopeiae system contains 2 stars.

What type of star is the V388 Cassiopeiae?

The primary in the V388 Cassiopeiae system is a Red dwarf star.

What temperature is star V388 Cassiopeiae?

The primary in the V388 Cassiopeiae system has a temperature of 3805 K. Find out more about the temperature of stars in Stellar guide
Closest stars

 Wolf 44
 0.37 M☉ 2.3 ly

Gliese 75
 0.9 M☉ 3.1 ly

Gliese 22
 0.38 M☉ 3.3 ly

2MASS J0011+5908
 - 4.2 ly

Gliese 3069
 - 6.3 ly
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