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HD 188474
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Star HD 188474

Orange star HD 188474 is located 64 light years away from the Sun. It is a single star of spectral class K3.5Vk:, that has 74 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
64 light years
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HD 188474

Orange star, High proper motion star
Spectral class: K3.5Vk:

Location +

Ascension iconRight ascension: 19h 56m 37.543s
Declination iconDeclination: -31° 20' 6.637'' (southern hemisphere)
Parallax iconParallax: 51.157
Distance iconSun distance: 63.755 ly | 19.5 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: 74 % M Sun
| 775 M Jupiter
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Star mass
Mass of the star HD 188474 is 0.74 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: 69 % R Sun
| 6.9 R Jupiter
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Star size
Radius of the star HD 188474 is 0.6909 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: 4756 K | 0.82 T Sun
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Star temperature
Surface temperature of HD 188474 is 4756 K, which is 82 % 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): 8.4
Magnitude iconAbsolute magnitude (V): 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
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HD 188474 system structure

 HD 188474
HD 188474 b
unconfirmed
 0.1 AU 4.6 M⊕ 2 R⊕ 15.3 days

More about HD 188474

Nearby star HD 188474 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 70 % of the size of Sun and temperature on its surface is around 4756 K (4483 °C), which is about 82 % of Sun's temperature.
       HD 188474 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
TIC 271478281, LTT 7876, GJ 1246, Gliese 1246, HIP 98130, 2MASS J19563704-3120071, TYC 7439-410-1, TOI 2194, Gaia DR3 6748283784056800384
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External sources
icon study
simbad icon
Simbad database (HD 188474)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 6748283784056800384)
Archive from the Gaia mission
tess icon
TESS database (TOI 2194.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the HD 188474 system from the Sun?

The HD 188474 system is 64 light years or 19.5 parsecs from the Sun.

What galaxy is the HD 188474 star in?

The HD 188474 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 188474 system?

The HD 188474 is a single star, there are no other known stars in the system.

What type of star is the HD 188474?

The star HD 188474 is a Orange star star.

What temperature is star HD 188474?

The star HD 188474 has an effective temperature of 4756 K. Find out more about the temperature of stars in Stellar guide
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