Jisho

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超光度赤外線銀河
Wikipedia definition
1. Luminous infrared galaxyA luminous infrared galaxy (LIRG), is a galactic body whose defining characteristic is in emitting more than 10 solar luminosities in the far-infrared part of the electromagnetic spectrum. A more luminous system, emitting more than 10 solar luminosities in the far-infrared, is called ultraluminous infrared galaxy (ULIRG). An even more luminous system, emitting more than 10 solar luminosities in the far-infrared, is called hyperluminous infrared galaxy (HLIRG).
Read “Luminous infrared galaxy” on English Wikipedia
Read “超光度赤外線銀河” on Japanese Wikipedia
Read “Luminous infrared galaxy” on DBpedia

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