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Red dwarf · Aquarius

EZ Aqr

Knowledge graphGl 866A

Scientific overview

EZ Aqr is a red dwarf in the constellation Aquarius (Aquarii), lying about 11.08 light-years from Earth.

Class M. Cool red stars. The most common type in the galaxy, ranging from red dwarfs to red giants. Such stars have surface temperatures around 2,400–3,700 K and appear red to the eye.

Physical properties

Spectral typeM5 e
Apparent magnitude12.66
Absolute magnitude15
Colour index (B−V)1.98
Distance11.08 ly (3.4 pc)

Values are real catalogue data; fields without a reliable value are omitted, never estimated.

Evolution

A red dwarf is a small, cool, low-mass main-sequence star. Red dwarfs burn their fuel so slowly that they can shine for tens of billions of years — far longer than the present age of the universe.

Location in the sky

Constellation
Aquarius
Hemisphere
Southern
Best seen
Autumn (N. evening sky)
RA / Dec
22.6426h / -15.3025°

Knowledge connections

  • In constellationAquarius

Sources

The primary and reference sources this topic draws on.

  • HYG DatabaseHYG Database (Hipparcos + Yale Bright Star + Gliese), by D. Nash / astronexus

    Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.

  • HipparcosESA Hipparcos space astrometry mission

    High-precision parallax, magnitude, and position for ~118,000 stars.