The

Bayer designation A Bayer designation is a stellar designation in which a specific star is identified by a Greek alphabet, Greek or Latin letter followed by the genitive case, genitive form of its parent constellation's Latin name. The original list of Bayer design ...

Iota Cygni (ι Cyg / ι Cygni) is shared by two

star A star is a luminous spheroid of plasma (physics), plasma held together by Self-gravitation, self-gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night sk ...

s, in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The first constellati ...

Cygnus: * ι¹ Cygni, dimmer (magnitude 5.75) * ι² Cygni, brighter (magnitude 3.77), often simply called ι Cyg

References

{{Set index article , astronomical objects Cygni, Iota Cygnus (constellation)