Фомальгаут

24Alp PsA

Фомальгаут is a A-type (White) star. It carries the designation 24Alp PsA.

Фомальгаут lies approximately 25.1 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 25 years ago.

Фомальгаут is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.

Фомальгаут has an apparent magnitude of +1.17, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.145.

Физические свойства

Спектральный класс Class A — A-type (White)
Показатель цвета (B−V) 0,145

Наблюдение

Видимая звёздная величина +1.17
Абсолютная звёздная величина 1,74
Расстояние 25.1 ly

Положение

Прямое восхождение 22h 57,65m
Склонение -29° 37,33′

Related Chemistry

Explore the chemical elements connected to Фомальгаут on our sister site ChemFYI.

C…
Hydrogen (H)

Strong hydrogen Balmer lines define A-type main-sequence spectra

 C…
Silicon (Si)

Silicon absorption detectable in the A3 spectral window

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Часто задаваемые вопросы

What type of star is Фомальгаут?
Фомальгаут is a Class A — A-type (White) star.
How far is Фомальгаут from Earth?
Фомальгаут is approximately 25.1 light-years from Earth.
Can you see Фомальгаут with the naked eye?
With an apparent magnitude of 1.17, Фомальгаут is visible to the naked eye.