NGC 4337: an overlooked old cluster in the inner disc of the Milky Way

Galactic open clusters do not survive long in the high-density regions of the inner Galactic disc. Inside the solar ring only 11 open clusters are known with ages older than 1 Gyr. We show here, basing on deep, high-quality photometry, that NGC 4337, contrary to earlier findings, is indeed an old op...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society. Letters 2014-06, Vol.441 (1), p.L36-L40
Hauptverfasser:	Carraro, Giovanni, Giorgi, Edgard E., Costa, Edgardo, Vázquez, Ruben A.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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