Calvera (X-ray source)

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Calvera
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Ursa Minor
Right ascension 14h 12m 56.0s
Declination +79° 22′ 04″
Apparent magnitude (V) ?
Distance 625 ± 375 ly
(190 ± 110 pc)
Spectral type X
Other designations
RX J1412.9+7922

In astronomy Calvera is the nickname 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.

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