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BUG 5
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Star BUG 5

Binary star BUG 5 is located 39 light years away from the Sun. It consists of a red dwarf and a brown dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
39 light years
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BUG 5 A

Red dwarf, Low-mass star
Spectral class: M9Ve

Location +

Ascension iconRight ascension: 17h 7m 23.528s
Declination iconDeclination: -5° 58' 24.933'' (equatorial region)
Parallax iconParallax: 83.582
Distance iconSun distance: 39.022 ly | 12.0 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: 6 % M Sun
| 62.9 M Jupiter
 (estimate)
+
Star mass
The estimated mass of the star BUG 5 A is about 6 % of the Sun's mass, or approximately 62.9 Jupiter 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: 10 % R Sun
| 1.1 R Jupiter
(estimate)
+
Star size
Radius of the star BUG 5 A is not known. Its estimated value based on other similar stars is about 10 % 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: 2700 K
 (estimate)
+
Star temperature
Surface temperature of BUG 5 A is estimated to be 2663 K, which is 47 % 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

BUG 5 B

Brown dwarf, , Low-mass star
Spectral class: L3 C

Basic characteristic

radius icon
Size: 10 % R Sun
| 1.1 R Jupiter
(estimate)
+
Star size
Radius of the star BUG 5 B is not known. Its estimated value based on other similar stars is about 10 % 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: 2000 K
 (estimate)
+
Star temperature
Surface temperature of BUG 5 B is estimated to be 2000 K, which is 35 % 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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BUG 5 system structure

 BUG 5 A
BUG 5 B

More about BUG 5

       BUG 5 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
** BUG 5B, WDS J17074-0558B, BUG 5, ** BUG 5A, WDS J17074-0558A, 2MASS J17072343-0558249, DENIS J170723.4-055824, WDS J17074-0558AB, TIC 145473406, Gaia EDR3 4364185165038935040
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Frequently Asked Questions

How far is the BUG 5 system from the Sun?

The BUG 5 system is 39 light years or 12.0 parsecs from the Sun.

What galaxy is the BUG 5 star in?

The BUG 5 is in the Milky Way galaxy just like the Sun.

How many stars are in the BUG 5 system?

The BUG 5 system contains 2 stars.

What type of star is the BUG 5?

The primary in the BUG 5 system is a Red dwarf star.

What temperature is the BUG 5?

The primary in the BUG 5 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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