Altaïr

53Alp Aql

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Altaïr is a A-type (White) star located in the constellation Aquila. It carries the designation 53Alp Aql.

Altaïr lies approximately 16.7 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 16 years ago.

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

Altaïr has an apparent magnitude of +0.76, 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 +0.221.

Propriétés physiques

Classe Spectrale A Class A — A-type (White)
Indice de couleur (B−V) 0,221

Observation

Magnitude Apparente +0.76
Magnitude Absolue 2,21
Distance 16.7 ly
Constellation Aquila

Position

Ascension droite 19h 50,78m
Déclinaison 8° 52,10′

Frequently Asked Questions

What type of star is Altaïr?
Altaïr is a Class A — A-type (White) star.
How far is Altaïr from Earth?
Altaïr is approximately 16.7 light-years from Earth.
Can you see Altaïr with the naked eye?
With an apparent magnitude of 0.76, Altaïr is visible to the naked eye.
What constellation is Altaïr in?
Altaïr is located in the constellation Aquila.