1RXS
= 1RXS
{wiki=1RXS}
1RXS refers to a specific catalog of X-ray sources compiled from observations made by the ROSAT (ROentgen SATellite) mission, which operated from 1990 to 1999. The "1RXS" catalog includes a wide variety of celestial objects detected in X-rays, including stars, galaxies, and various types of stellar remnants like neutron stars and black holes.