🔬 Discovery

Uranometría Argentina and Gould Belt

Uranometría Argentina y cinturón de Gould

Date
1871-1879 · confidence high
Place
Argentine National Observatory, Córdoba, Argentina
Credited to
Benjamin Apthorp Gould
Field
Cosmos & Earth

What was discovered

Gould founded the Córdoba Observatory (1871) and published the Uranometría Argentina (1879) with estimated magnitudes of naked-eye southern stars. His data showed an inclined band of bright young stars, the Gould Belt.

John Herschel had noted the anomalous arrangement of bright stars in 1847; Gould recognised and described it with his own data, hence the name.

What it led to

  • The first complete photometric atlas of the naked-eye southern sky
  • Study of the local structure of the Milky Way
  • A boost for astronomy in Argentina
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