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Stellar Catalog
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HD 149806
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Star HD 149806

Binary star HD 149806 is located 66 light years away from the Sun. It consists of a red dwarf and a orange star. For now, there are no known exoplanets in this star system.
Sun distance
66 light years
galaxy map

HD 149806 A

Orange star, High proper motion star
Spectral class: K0V

Location +

Ascension iconRight ascension: 16h 37m 8.529s
Declination iconDeclination: 0° 15' 16.885'' (equatorial region)
Parallax iconParallax: 49.204
Distance iconSun distance: 66.287 ly | 20.3 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: 90 % M Sun
| 900.9 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 149806 A is unknown. Based on its other characteristics, it is estimated to be about 90 % 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: 90 % R Sun
| 8.5 R Jupiter
(estimate)
+
Star size
Radius of the star HD 149806 A is not known. Its estimated value based on other similar stars is about 90 % 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

Photometry

Magnitude iconApparent magnitude (V): 7.1
Magnitude iconAbsolute magnitude (V): 5.5
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 149806 B

Red dwarf, High proper motion star

Basic characteristic

icon weight
Mass: 40 % M Sun
| 429.5 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 149806 B is unknown. Based on its other characteristics, it is estimated to be about 40 % 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: 40 % R Sun
| 4.2 R Jupiter
(estimate)
+
Star size
Radius of the star HD 149806 B is not known. Its estimated value based on other similar stars is about 40 % 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

Photometry

Magnitude iconApparent magnitude (V): 13
Magnitude iconAbsolute magnitude (V): 11.7
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

HD 149806 system structure

 HD 149806 A
HD 149806 B
More about HD 149806
       HD 149806 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
TYC 382-427-1, USNO-A2 0900-08800738, HIP 81375, Gaia EDR3 4383374219923745024
External sources
simbad icon
Simbad database (HD 149806B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
Closest stars

 HD 152391
 - 5.9 ly

G 17-38
 - 6.4 ly

HD 148467
 - 7.8 ly

2MASS J1615+0546
 - 7.9 ly

EGGR 494
 - 8.5 ly
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