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GLOBULAR and OPEN CLUSTERS OBSERVED by SDSS/SEGUE: The GIANT STARS

Title
GLOBULAR and OPEN CLUSTERS OBSERVED by SDSS/SEGUE: The GIANT STARS
Authors
Morrison H.L.Ma Z.Clem J.L.An D.Connor T.Schechtman-Rook A.Casagrande L.Rockosi C.Yanny B.Harding P.Beers T.C.Johnson J.A.Schneider D.P.
Ewha Authors
안덕근
SCOPUS Author ID
안덕근scopus
Issue Date
2016
Journal Title
Astronomical Journal
ISSN
0004-6256JCR Link
Citation
vol. 151, no. 1
Keywords
globular clusters: generalopen clusters and associations: general
Publisher
Institute of Physics Publishing
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We present griz observations for the clusters M92, M13 and NGC 6791 and gr photometry for M71, Be 29 and NGC 7789. In addition we present new membership identifications for all these clusters, which have been observed spectroscopically as calibrators for the Sloan Digital Sky Survey (SDSS)/SEGUE survey; this paper focuses in particular on the red giant branch stars in the clusters. In a number of cases, these giants were too bright to be observed in the normal SDSS survey operations, and we describe the procedure used to obtain spectra for these stars. For M71, we also present a new variable reddening map and a new fiducial for the gr giant branch. For NGC 7789, we derived a transformation from Teff to g-r for giants of near solar abundance, using IRFM Teff measures of stars with good ugriz. © 2016. The American Astronomical Society. All rights reserved.
DOI
10.3847/0004-6256/151/1/7
Appears in Collections:
사범대학 > 과학교육과 > Journal papers
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