Iota Aquarii

Stellar classification



  • X -79
  • Y -134
  • Z 81
→ Sol: 175

Object type

  • Spectroscopic binary
  • Star
  • Infra-Red source
  • UV-emission source
simbad:* iot Aqr


Iota Aquarii, Latinized from ι Aquarii, is the Bayer designation for a star in the equatorial constellation of Aquarius. It is visible to the naked eye with an apparent magnitude of +4.279. Based upon parallax measurements made during the Hipparcos mission, the distance to this star is around 175 light-years (54 parsecs).

The spectrum of this star fits a stellar classification of B8 V, showing that this is a B-type main sequence star. It has 2.7 times the radius of the Sun and is spinning rapidly with a projected rotational velocity of 135 km/s. A 2010 infrared search for companions around this star was unsuccessful.

This article uses material from the Wikipedia article "Iota Aquarii", which is released under the Creative Commons Attribution-Share-Alike License 3.0.