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Delta Aquilae Aa
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Star Delta Aquilae Aa

Binary star Delta Aquilae Aa is located 51 light years away from the Sun. It consists of a subgiant and a orange star. For now, there are no known exoplanets in this star system.
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Sun distance
51 light years
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Delta Aquilae Aa

Subgiant
Spectral class: F1IV-V(n)

Location +

Ascension iconRight ascension: 19h 25m 29.906s
Declination iconDeclination: 3° 6' 53.206'' (equatorial region)
Parallax iconParallax: 64.410
Distance iconSun distance: 50.637 ly | 15.5 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: 165 % M Sun
| 1728 M Jupiter
+
Star mass
Mass of the star Delta Aquilae Aa is 1.65 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: 204 % R Sun
| 20.3 R Jupiter
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Star size
Radius of the star Delta Aquilae Aa is 2.04 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: 7016 K | 1.21 T Sun
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Star temperature
Surface temperature of Delta Aquilae Aa is 7016 K, which is 121 % 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
luminosity icon
Luminosity: 7.4 L Sun
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Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 3.4
Magnitude iconAbsolute magnitude (V): 2.4
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

Delta Aquilae Ab

Orange star
Spectral class: K

Basic characteristic

icon weight
Mass: 67 % M Sun
| 702 M Jupiter
+
Star mass
Mass of the star Delta Aquilae Ab is 1.65 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: 61 % R Sun
| 6.1 R Jupiter
+
Star size
Radius of the star Delta Aquilae Ab is 0.61 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: 6900 K
 (estimate)
+
Star temperature
Surface temperature of Delta Aquilae Ab is estimated to be 6878 K, which is 119 % 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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Delta Aquilae Aa system structure

 Delta Aquilae Aa
Delta Aquilae Ab

More about Delta Aquilae Aa

       Delta Aquilae Aa can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
del Aql, Al Mizān I, δ Aql, 30 Aql, BD+02° 3879, FK5 730, Gliese 760, GJ 760, HD 182640, HIP 95501, HR 7377, SAO 124603, NLTT 47775
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Frequently Asked Questions

How far is the Delta Aquilae Aa system from the Sun?

The Delta Aquilae Aa system is 51 light years or 15.5 parsecs from the Sun.

What galaxy is the Delta Aquilae Aa star in?

The Delta Aquilae Aa is in the Milky Way galaxy just like the Sun.

How many stars are in the Delta Aquilae Aa system?

The Delta Aquilae Aa system contains 2 stars.

What type of star is the Delta Aquilae Aa?

The primary in the Delta Aquilae Aa system is a Subgiant star.

What temperature is star Delta Aquilae Aa?

The primary in the Delta Aquilae Aa system has a temperature of 7016 K. Find out more about the temperature of stars in Stellar guide
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Gaia EDR3 4315860014088228864
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