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HD 87978
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Star HD 87978

Subgiant HD 87978 is located 133 light years away from the Sun. It is a single star of spectral class G6IV C, that has typically about 300 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
133 light years
galaxy map

HD 87978

Subgiant
Spectral class: G6IV C

Location +

Ascension iconRight ascension: 10h 8m 26.581s
Declination iconDeclination: -11° 6' 54.744'' (equatorial region)
Parallax iconParallax: 24.457
Distance iconSun distance: 133.359 ly | 40.9 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: 110 % M Sun
| 1110.4 M Jupiter
 (estimate)
+
Star mass
The mass of the star HD 87978 is unknown. Based on its other characteristics, it is estimated to be about 110 % 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: 120 % R Sun
| 11.9 R Jupiter
(estimate)
+
Star size
Radius of the star HD 87978 is not known. Its estimated value based on other similar stars is about 120 % 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: 5600 K
 (estimate)
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Star temperature
Surface temperature of HD 87978 is estimated to be 5581 K, which is 97 % 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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HD 87978 system structure

 HD 87978

More about HD 87978

       HD 87978 can be found in southern celestial hemisphere.
Other designations of this star
NLTT 23502, BD-10 2998, GC 13930, HIC 49674, HIP 49674, 2MASS J10082659-1106549, TIC 26163031, TYC 5481-653-1, SAO 155758
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News from this star system

Frequently Asked Questions stardetail

How far is the HD 87978 system from the Sun?

The HD 87978 system is 133 light years or 40.9 parsecs from the Sun.

What galaxy is the HD 87978 star in?

The HD 87978 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 87978 system?

The HD 87978 is a single star, there are no other known stars in the system.

What type of star is the HD 87978?

The star HD 87978 is a Subgiant star.

What temperature is the HD 87978?

The primary in the HD 87978 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
Class of stars Subgiant
A subgiant is a term used to describe a luminous star that is typically running out of hydrogen for nuclear fusion and is thus departing from the main sequence. These stars are classified as Yerkes luminosity class IV.
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