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Alpha Phoenicis
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Star Alpha Phoenicis

Red giant Alpha Phoenicis is located 82 light years away from the Sun. It is suspected double or multiple star of spectral class K0.5IIIb, that has 157 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
82 light years
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Alpha Phoenicis

Red giant, Spectroscopic binary
Spectral class: K0.5IIIb

Location +

Ascension iconRight ascension: 0h 26m 17.320s
Declination iconDeclination: -42° 18' 28.153'' (southern hemisphere)
Parallax iconParallax: 39.918
Distance iconSun distance: 81.706 ly | 25.1 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: 157 % M Sun
| 1645 M Jupiter
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Star mass
Mass of the star Alpha Phoenicis is 1.57 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: 1500 % R Sun
| 149.3 R Jupiter
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Star size
Radius of the star Alpha Phoenicis is 15 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: 4436 K | 0.77 T Sun
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Star temperature
Surface temperature of Alpha Phoenicis is 4436 K, which is 77 % 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: 83 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): 2.4
Magnitude iconAbsolute magnitude (V): 0.4
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
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Alpha Phoenicis system structure

 Alpha Phoenicis

More about Alpha Phoenicis

Nearby star Alpha Phoenicis is is approximately 15 times bigger than the Sun and temperature on its surface is around 4436 K (4163 °C), which is about 77 % of Sun's temperature.
       Alpha Phoenicis 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
Ankaa, Nair al Zaurak, Cymbae, Lucida Cymbae, CD−42°116, FK5 12, GCTP 71.00, HIP 2081, HR 99, HD 2261, LTT 231, SAO 215093, Alf Phe, Gaia EDR3 4993479684438433792
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External sources
simbad icon
Simbad database (* alf Phe)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 4993479684438433792)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Alpha Phoenicis system from the Sun?

The Alpha Phoenicis system is 82 light years or 25.1 parsecs from the Sun.

What galaxy is the Alpha Phoenicis star in?

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

How many stars are in the Alpha Phoenicis system?

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

What type of star is the Alpha Phoenicis?

The star Alpha Phoenicis is a Red giant star.

What temperature is star Alpha Phoenicis?

The star Alpha Phoenicis has an effective temperature of 4436 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red giant
White dwarfs are the hot, extremely dense stellar remnants left behind by stars that originally had masses between about 0.5 and 8 times the mass of the Sun during their main sequence lifetimes. After exhausting their nuclear fuel, these stars shed their outer layers and leave behind a compact core. Although white dwarfs contain between roughly 0.2 and 1.44 solar masses, this mass is packed into a volume comparable to that of an Earth-sized planet, making them some of the densest objects in the Universe.
Closest stars

 LP 898-100
 - 3.6 ly

Kappa Phoenicis
 1.7 M☉ 4 ly

UCAC4 237-000303
 - 4.8 ly

LEHPM 474
 - 5.5 ly

Koenigstuhl 1
 0.1 M☉ 5.9 ly
3D map of stellar neighborhood
List of all nearby stars

stellar brief logoStellar Brief

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29. 10. 2026
stellar brief logo
Weighing potentially habitable planets around Sun-like stars remains surprisingly difficult: a methods test found that precise measurements often require planets weighing about 8 to 10 Earth masses. The latest reports also explore brilliant radio bursts from a rapidly spinning brown dwarf, a possible hotspot on another brown dwarf, and how transit changes can expose a planet that never crosses its star.
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