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Historical person

Bengt Georg Daniel Stromgren Biography

Historical biography and chronological timeline for Bengt Georg Daniel Stromgren, based on 4 World History Database records associated with Denmark.

4 records1939–19564 events1 places

Chronological biography

1939

Ionized Hydrogen Region Theory1939
Science / Astronomy · Astrophysicist · Copenhagen

Defines the characteristic volume now known as a Stromgren sphere.

Stromgren Sphere1939
Science / Astronomy · Astrophysicist · Copenhagen

Models ionized hydrogen regions surrounding hot stars.

1956

Stromgren Photometry1956
Science / Astronomy · Astrophysicist · Copenhagen

Creates photometric indices measuring stellar temperature, gravity and chemical composition.

uvby Photometric System1956
Science / Astronomy · Astrophysicist · Copenhagen

Develops a four-colour system for precise stellar classification.

Titles and roles

Astrophysicist

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.