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WR 138a

Index WR 138a

WR 138a is a Wolf-Rayet star in the constellation Cygnus. [1]

Table of Contents

  1. 4 relations: Cygnus (constellation), Terminal velocity, Wolf–Rayet star, 2MASS.

Cygnus (constellation)

Cygnus is a northern constellation on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.

See WR 138a and Cygnus (constellation)

Terminal velocity

Terminal velocity is the maximum speed attainable by an object as it falls through a fluid (air is the most common example).

See WR 138a and Terminal velocity

Wolf–Rayet star

Wolf–Rayet stars, often abbreviated as WR stars, are a rare heterogeneous set of stars with unusual spectra showing prominent broad emission lines of ionised helium and highly ionised nitrogen or carbon. WR 138a and Wolf–Rayet star are Wolf–Rayet stars.

See WR 138a and Wolf–Rayet star

2MASS

The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in infrared light.

See WR 138a and 2MASS

References

[1] https://en.wikipedia.org/wiki/WR_138a