Carina OB2 is a giant

OB association The Ob (; ) is a major river in Russia. It is in western Siberia, and with its tributary the Irtysh forms the world's seventh-longest river system, at . The Ob forms at the confluence of the Biya and Katun which have their origins in the Al ...

in the constellation

Carina Carina may refer to: Places Australia * Carina, Queensland, a suburb in Brisbane * Carina Heights, Queensland, a suburb in Brisbane * Carina, Victoria, a locality in Mildura Serbia * Carina, Osečina, a village in the Kolubara District ...

. It contains anywhere from 91 to 157 stars, many of which are hot blue stars of spectral types B and O. It is located 3.1 kiloparsecs distant and is around 4 million years old.

References

Stellar associations Carina (constellation) {{star-cluster-stub