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R136c
R136c is located in the R136 super star cluster, a massive star cluster with 450,000 solar masses and 10,000 stars. It was first resolved and named by Feitzinger in 1980, along with R136a and R136b.
== Description ==
R136c is a Wolf-Rayet star of the spectral type WN5h and with a temperature of 56,000 K. It is at least 130 times the mass of the sun, possibly as much as 175 times, and around three million times more luminous. The extreme luminosity is produced by the CNO fusion process in its highly compressed hot core. Typical of all Wolf-Rayet stars, R136c has been losing mass by means of a strong stellar wind with speeds over 2000 km/s and mass loss rates in excess of solar masses per year.〔 It is strongly suspected to be a binary, due to the detection of hard x-ray emission typical of colliding wind binaries, but the companion is thought to make only a small contribution to the total luminosity.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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