Westbrook Nebula

CRL 618, even after the discoverer of the infrared source William E. Westbrook Westbrook Nebula, rare German Westbrook Nebula, is a präplanetarischer fog.

The fog is formed by a star of spectral type B0, which is concealed in the center and some 200 years ejects gases at a speed of 200 km / s. The bipolar currents, tilted about 24 ° to the line of sight, composed predominantly of molecular gas that forms in the outer areas with older gas eruptions a shock front. The central star has about 12,200 times the solar luminosity