The

Bayer designation A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name. The original list of Bayer designations contained 1,564 stars. ...

Omicron Canis Majoris (ο CMa / ο Canis Majoris) is shared by two

star A star is an astronomical object comprising a luminous spheroid of plasma (physics), plasma held together by its gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked ...

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 origins of the e ...

Canis Major Canis Major is a constellation in the Southern Celestial Hemisphere, southern celestial hemisphere. In the second century, it was included in Ptolemy's 48 constellations, and is counted among the 88 modern constellations. Its name is Latin fo ...

: * ο¹ Canis Majoris * ο² Canis Majoris They are separated by 2.06° on the sky. ο¹ Canis Majoris was member of asterism 軍市 (Jūn Shì), ''Market for Soldiers'', '' Well'' mansion.AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 16 日
/ref> ο² Canis Majoris was not any member of asterism.

References

{{SIA , astronomical objects Canis Major Canis Majoris, Omicron