Release 11.12 ("Hergest Ridge")


Gclusters :: Bibliographic item "gc347"

Article ID: gc347
AuthorRoh, Dong-Goo et al.
TitleTwo Distinct Red Giant Branches in the Globular Cluster NGC 288
JournalThe Astrophysical Journal Letters, Volume 733, Issue 2, article id. L45,
Year of publication2011 (on gclusters from 2013-07-03 16:24:38 )
AbstractWe report the presence of two distinct red giant branches (RGBs) in the globular cluster NGC 288 from the narrowband calcium and Strömgren b and y photometry obtained at the CTIO 4 m Blanco telescope. The RGB of NGC 288 is clearly split into two in the hk [=(Ca - b) - (b - y)] index, while the split is not shown in the b - y color. Unlike other globular clusters with multiple populations reported thus far, the horizontal branch of NGC 288 is only mildly extended...
TagsNGC 288

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