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Calvera is a city and comune in the province of Potenza, southern Italy.

Category:Cities and towns in Basilicata

Calvera (disambiguation)

Calvera may refer to:

  • Calvera, a city in the province of Potenza, southern Italy
  • Calvera (Character), a character from the film The Magnificent Seven, played by Eli Wallach
  • Calvera (X-ray source), the nickname for 1RXS J141256.0+792204, an isolated neutron star located in the constellation of Ursa Minor, named after the character from The Magnificent Seven.
Calvera (X-ray source)

In astronomy, Calvera is a nickname—based on the villain in the 1960 film The Magnificent Seven—of an X-ray source known as 1RXS J141256.0+792204 in the ROSAT All-Sky Survey Bright Source Catalog (RASS/BSC). It lies in the constellation Ursa Minor and is identified as an isolated neutron star. It is one of the closest of its kind to Earth.