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Westerlund 1-237 or Wd 1-237 is a possible red supergiant (RSG) in the constellation of Ara. It is one out of 4 known red supergiants in the Westerlund 1 super star cluster, although its outlying position, spectrum, and parallax, suggest it could be a foreground giant. As a red supergiant, it would be one of the largest known stars and one of most luminous of its type.

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rdf:type
rdfs:label
  • Westerlund 1-237 (de)
  • Westerlund 1-237 (en)
rdfs:comment
  • Westerlund 1-237 oder W237 ist ein extremer Roter Überriese der Spektralklasse M3Ia. Mit einem geschätzten Durchmesser von 1245 Sonnenradien, einer Leuchtkraft von 234.000 L und einer effektiven Temperatur von 3.600 K ist er einer der größten bekannten Sterne. Er befindet sich im Sternhaufen Westerlund 1 im Sternbild Altar, wo er einer von insgesamt 4 bekannten roten Riesen ist (Westerlund 1-26, Westerlund 1-20, Westerlund 1-237, Westerlund 1-75). Westerlund 1-237 ist von einem elliptischen Radionebel umgeben, welcher von seiner Masse her dem von W20 und W26 ähnelt, und vergleichbar mit dem von VY Canis Majoris ist. (de)
  • Westerlund 1-237 or Wd 1-237 is a possible red supergiant (RSG) in the constellation of Ara. It is one out of 4 known red supergiants in the Westerlund 1 super star cluster, although its outlying position, spectrum, and parallax, suggest it could be a foreground giant. As a red supergiant, it would be one of the largest known stars and one of most luminous of its type. (en)
foaf:name
  • Westerlund 1-237 (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Red_circle.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Surprise_Cloud_Around_Vast_Star.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Comparison_of_Radii_of_RSGs_located_in_the_Westerlund_1_star_cluster.png
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absmag v
  • –6.96 (en)
age myr
appmag
appmag 1 passband
  • B (en)
appmag 2 passband
  • J (en)
appmag 3 passband
  • H (en)
appmag 4 passband
  • K (en)
appmag v
caption
  • Westerlund 1 super star cluster. The location of Wd 1-237 is circled. (en)
class
  • M3Ia or M6+ III (en)
component
  • if a foreground giant (en)
  • if a supergiant (en)
constell
dist pc
epoch
  • J2000 (en)
equinox
  • J2000 (en)
luminosity
p error
parallax
prop mo dec
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