Glossary term: B- type Star

Also known as B star or B-star

Description: A B star is one whose "surface" temperature (the temperature of the layer in the star from which its light is emitted) is between approximately 10,000 to 30,000 kelvins. A B-star is identified by the absorption lines in its spectrum including neutral helium lines. Examples are Regulus in Leo, Rigel in Orion, and Spica in Virgo.

Related Terms:

See this term in other languages

Term and definition status: This term and its definition is still awaiting approval

The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".