R136a3

R136a3 is a Wolf–Rayet star in R136, a massive star cluster located in Dorado.wikipedia
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R136a1

It is located near R136a1, the most massive and luminous star known.
The R136a system at the core of R136 is a dense luminous knot of stars containing at least 12 stars, the most prominent being R136a1, R136a2, and R136a3, all of which are extremely luminous and massive WN5h stars.

List of most massive stars

most massivemassivemassive stars
R136a3 is itself one of the most massive and most luminous stars known at 180 times more massive and 3.8 million times more luminous than the Sun.

List of most luminous stars

most luminousmost luminous starsmost luminous stars known
R136a3 is itself one of the most massive and most luminous stars known at 180 times more massive and 3.8 million times more luminous than the Sun.

R136

R136a
R136a3 is a Wolf–Rayet star in R136, a massive star cluster located in Dorado.

Wolf–Rayet star

Wolf-Rayet starWolf-RayetWolf-Rayet stars
R136a3 is a Wolf–Rayet star in R136, a massive star cluster located in Dorado.

Dorado

Dorado constellationDorDorado (constellation)
R136a3 is a Wolf–Rayet star in R136, a massive star cluster located in Dorado.

Large Magellanic Cloud

LargeLMCGreater Magellanic Cloud
The RMC survey identified luminous objects in the Large Magellanic Cloud and one of the brightest was RMC 136.

Open cluster

open star clusterstar clusteropen clusters
This is now commonly shortened to R136, which is now known to be an extremely young dense open cluster at the core of the NGC 2070 cluster in the Tarantula Nebula.

NGC 2070

2070
This is now commonly shortened to R136, which is now known to be an extremely young dense open cluster at the core of the NGC 2070 cluster in the Tarantula Nebula.

Tarantula Nebula

30 Doradus
This is now commonly shortened to R136, which is now known to be an extremely young dense open cluster at the core of the NGC 2070 cluster in the Tarantula Nebula.

CNO cycle

Bethe–Weizsäcker processCNOcarbon-nitrogen-oxygen (CNO) cycle
The helium and nitrogen in the atmosphere of such a young star are caused by strong convection due to the massive core and intense CNO cycle fusion, enhanced further by rotational mixing.