Alpheratz

21Alp And

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Alpheratz is a B-type (Blue-White) star located in the constellation Andromeda. It carries the designation 21Alp And.

Located approximately 97.0 light-years from Earth, Alpheratz resides within the broader disk of our Milky Way galaxy.

Alpheratz is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

At an apparent magnitude of +2.07, Alpheratz is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.038.

Propriedades físicas

Classe Espectral B Class B — B-type (Blue-White)
Índice de cor (B−V) -0,038

Observação

Magnitude Aparente +2.07
Magnitude Absoluta -0,30
Distância 97.0 ly
Constelação Andromeda

Posição

Ascensão reta 0h 8,39m
Declinação 29° 5,43′

Frequently Asked Questions

What type of star is Alpheratz?
Alpheratz is a Class B — B-type (Blue-White) star.
How far is Alpheratz from Earth?
Alpheratz is approximately 97.0 light-years from Earth.
Can you see Alpheratz with the naked eye?
With an apparent magnitude of 2.07, Alpheratz is visible to the naked eye.
What constellation is Alpheratz in?
Alpheratz is located in the constellation Andromeda.