Calvera is a city and comune in the province of Potenza, southern Italy.
Category:Cities and towns in Basilicata
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.
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.