EZ Aquarii is a triple star system approximately 11.3 ly from the Sun

Sun

The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

 in the constellation

Constellation

In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 Aquarius

Aquarius (constellation)

Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces. Its name is Latin for "water-bearer" or "cup-bearer", and its symbol is , a representation of water....

. It is also known as Luyten 789-6 and Gliese 866 and all three components are M-type red dwarf

Red dwarf

According to the Hertzsprung-Russell diagram, a red dwarf star is a small and relatively cool star, of the main sequence, either late K or M spectral type....

s. The pair EZ Aquarii AC form a spectroscopic binary with a 3.8 day orbit and a 0.03 AU

Astronomical unit

An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....

 separation. This pair share an orbit with EZ Aquarii B that has a 823 day period. The A and B components of Luyten 789-6 together emit X-rays.

EZ Aquarii is approaching the solar system

Solar System

The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. The vast majority of the system's mass is in the Sun...

 and, in about 32,300 years, will be at its minimal distance of about 8.2 ly from the Sun. The ChView simulation shows that currently its nearest neighbouring star is Lacaille 9352

Lacaille 9352

Lacaille 9352 is a red dwarf star approximately 3.29 pc or 10.74 light years from Earth's Solar System. This star has the fourth highest known proper motion, moving a total of 6.9 arcseconds per year...

 at about 4.1 ly from EZ Aquarii.

External links

• Image EZ Aquarii
• Solstation provides an orbital animation as well as a visualization of the habitable zone
  Habitable zone
  In astronomy and astrobiology, a habitable zone is an umbrella term for regions that are considered favourable to life. The concept is inferred from the empirical study of conditions favourable for Life on Earth...
  
  around EZ Aquarii B.