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* 47 Oph
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Star * 47 Oph

Yellow-White star * 47 Oph is located 98 light years away from the Sun. It is suspected double or multiple star of spectral class F3V, that has typically about 130 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
98 light years
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* 47 Oph

Yellow-White star, Spectroscopic binary
Spectral class: F3V

Location +

Ascension iconRight ascension: 17h 26m 37.887s
Declination iconDeclination: -5° 5' 11.750'' (equatorial region)
Parallax iconParallax: 33.250
Distance iconSun distance: 98.092 ly | 30.1 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: 140 % M Sun
| 1435.2 M Jupiter
 (estimate)
+
Star mass
The mass of the star * 47 Oph is unknown. Based on its other characteristics, it is estimated to be about 140 % 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: 160 % R Sun
| 15.9 R Jupiter
(estimate)
+
Star size
Radius of the star * 47 Oph is not known. Its estimated value based on other similar stars is about 160 % 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: 6700 K
 (estimate)
+
Star temperature
Surface temperature of * 47 Oph is estimated to be 6697 K, which is 116 % 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 iconApparent magnitude (V): 4.5
Magnitude iconAbsolute magnitude (V): 2.1
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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* 47 Oph system structure

 * 47 Oph

More about * 47 Oph

Nearby star * 47 Oph is a main sequence star that fuses hydrogen atoms into helium. 
       * 47 Oph can be found in southern celestial hemisphere, and it is possible to see it with naked eye. The star is also observable from Northern America, Europe and Asia.
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External sources
simbad icon
Simbad database (* 47 Oph)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

Frequently Asked Questions

How far is the * 47 Oph system from the Sun?

The * 47 Oph system is 98 light years or 30.1 parsecs from the Sun.

What galaxy is the * 47 Oph star in?

The * 47 Oph is in the Milky Way galaxy just like the Sun.

How many stars are in the * 47 Oph system?

The * 47 Oph is a single star, there are no other known stars in the system.

What type of star is the * 47 Oph?

The star * 47 Oph is a Yellow-White star star.

What temperature is the * 47 Oph?

The primary in the * 47 Oph system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
Closest stars

 HD 161098
 0.84 M☉ 7.6 ly

HD 155802
 - 7.8 ly

HD 155802
 - 7.8 ly

UCAC4 415-071811
 - 8.2 ly

Gaia DR3 4175239619429149056
 - 8.5 ly
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Estimated values
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Stellar Catalog brings the stars from our galaxy to you. Discover their position, physical properties and whether there are any exoplanets or disks orbiting them. The data in Stellar Catalog come from respectable sources like Gaia space telescope, or SIMBAD database.
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