R Monocerotis
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R Monocerotis
(mŏ-noss-ĕ-roh -tiss) See Hubble's variable nebula.R Monocerotis
[′är ‚män·ə′ser·əd·əs] (astronomy)
An irregular variable star at the tip of the small fan-shaped emission nebula NGC 2261.
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References in periodicals archive
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Another degree further north-east is the well-known and very special variable star R Monocerotis accompanies a fan-shaped nebula.
The stellar spot at the point of the fan has long been known by the variable-star designation R Monocerotis.
Also known as Hubble's Variable Nebula, NGC 2261 fans outward from R Monocerotis, a dust-shrouded binary star estimated to be 2,500 light- years distant and only 300,000 years old - a mere infant (though a mighty one) in stellar terms.
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