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Alpha Corvi
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Star Alpha Corvi

Binary star Alpha Corvi is located 49 light years away from the Sun. It consists of a yellow-white star and a red dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
49 light years
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Alpha Corvi A

Yellow-White star, High proper motion star
Spectral class: F1V

Location +

Ascension iconRight ascension: 12h 8m 24.935s
Declination iconDeclination: -24° 43' 44.593'' (southern hemisphere)
Parallax iconParallax: 66.770
Distance iconSun distance: 48.848 ly | 15.0 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: 139 % M Sun
| 1456 M Jupiter
+
Star mass
Mass of the star Alpha Corvi A is 1.39 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: 137 % R Sun
| 13.7 R Jupiter
+
Star size
Radius of the star Alpha Corvi A is 1.373 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: 7041 K | 1.22 T Sun
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Star temperature
Surface temperature of Alpha Corvi A is 7041 K, which is 122 % 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: 4.91 L Sun
+
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): 4
Magnitude iconAbsolute magnitude (V): 3.1
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

Alpha Corvi B

Red dwarf, , High proper motion star
Spectral class: M4V

Basic characteristic

icon weight
Mass: 30 % M Sun
| 272.4 M Jupiter
 (estimate)
+
Star mass
The mass of the star Alpha Corvi B is unknown. Based on its other characteristics, it is estimated to be about 30 % 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: 30 % R Sun
| 2.9 R Jupiter
(estimate)
+
Star size
Radius of the star Alpha Corvi B is not known. Its estimated value based on other similar stars is about 30 % 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: 3300 K
 (estimate)
+
Star temperature
Surface temperature of Alpha Corvi B is estimated to be 3300 K, which is 57 % 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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Alpha Corvi system structure

 Alpha Corvi A
Alpha Corvi B

More about Alpha Corvi

       Alpha Corvi 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.
Other designations of this star
Alchiba, Al Minliar al Ghurab, Al Chiba, 1 Crv, CD −24° 10174, GCTP 2796.00, GJ 455.3, Gliese 455.3, HD 105452, HIC 59199, HIP 59199, HR 4623, SAO 180505, * alf Crv, Gaia EDR3 3489338019475637760
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External sources
gaia icon
Gaia database (Gaia EDR3 3489338019474046720)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Alpha Corvi system from the Sun?

The Alpha Corvi system is 49 light years or 15.0 parsecs from the Sun.

What galaxy is the Alpha Corvi star in?

The Alpha Corvi is in the Milky Way galaxy just like the Sun.

How many stars are in the Alpha Corvi system?

The Alpha Corvi system contains 2 stars.

What type of star is the Alpha Corvi?

The primary in the Alpha Corvi system is a Yellow-White star star.

What temperature is star Alpha Corvi?

The primary in the Alpha Corvi system has a temperature of 7041 K. Find out more about the temperature of stars in Stellar guide
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