Related references
Note: Only part of the references are listed.The ACS survey of galactic globular clusters. III. The double subgiant branch of NGC 1851
A. P. Milone et al.
ASTROPHYSICAL JOURNAL (2008)
The double subgiant branch of NGC 1851: The role of the CNO abundance
S. Cassisi et al.
ASTROPHYSICAL JOURNAL LETTERS (2008)
An abundance analysis of bright giants in the globular cluster NGC 1851
David Yong et al.
ASTROPHYSICAL JOURNAL LETTERS (2008)
The peculiar horizontal branch morphology of the Galactic globular clusters NGC 6388 and NGC 6441: new insights from UV observations
G. Busso et al.
ASTRONOMY & ASTROPHYSICS (2007)
The acs survey of galactic globular clusters:: M54 and young populations in the sagittarius dwarf spheroidal galaxy
Michael H. Siegel et al.
ASTROPHYSICAL JOURNAL (2007)
The multiplicity of the subgiant branch of ω Centauri:: Evidence for prolonged star formation
S. Villanova et al.
ASTROPHYSICAL JOURNAL (2007)
A triple main sequence in the globular cluster NGC 2808
G. Piotto et al.
ASTROPHYSICAL JOURNAL (2007)
The ACS survey of galactic globular clusters.: I.: Overview and clusters without previous Hubble Space Telescope photometry
Ata Sarajedini et al.
ASTRONOMICAL JOURNAL (2007)
NGC 6441: another indication of very high helium content in globular cluster stars
V. Caloi et al.
ASTRONOMY & ASTROPHYSICS (2007)
Deep FORS1 observations of the double main sequence of ω Centauri
A. Sollima et al.
ASTROPHYSICAL JOURNAL (2007)
Ground-based CCD astrometry with wide field imagers - I. Observations just a few years apart allow decontamination of field objects from members in two globular clusters
J. Anderson et al.
ASTRONOMY & ASTROPHYSICS (2006)
Atmospheres, chemical compositions, and evolutionary histories of very metal-poor red horizontal-branch stars in the galactic field and in NGC 7078 (M15)
George W. Preston et al.
ASTRONOMICAL JOURNAL (2006)
CN abundance inhomogeneities in the globular cluster Messier 13 (NGC 6205): Results based on merged data sets from the literature
Graeme H. Smith et al.
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC (2006)
Na-O anticorrelation and HB I. The Na-O anticorrelation in NGC 2808
E Carretta et al.
ASTRONOMY & ASTROPHYSICS (2006)
The Two Micron All Sky Survey (2MASS)
MF Skrutskie et al.
ASTRONOMICAL JOURNAL (2006)
A 235 star sample sodium, magnesium, and aluminum abundance study in the globular clusters M3 (NGC 5272) and M13 (NGC 6205)
CI Johnson et al.
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC (2005)
Fluorine abundance variations in red giants of the globular cluster M4 and early-cluster chemical pollution
VV Smith et al.
ASTROPHYSICAL JOURNAL (2005)
A helium spread among the main-sequence stars in NGC 2808
F D'Antona et al.
ASTROPHYSICAL JOURNAL (2005)
Abundances of C, N, O in slightly evolved stars in the globular clusters NGC 6397, NGC 6752 and 47 Tuc
E Carretta et al.
ASTRONOMY & ASTROPHYSICS (2005)
Metallicities on the double main sequence of ω Centauri imply large helium enhancement
G Piotto et al.
ASTROPHYSICAL JOURNAL (2005)
CN abundance inhomogeneities in the globular cluster Messier 4 (NGC 6121): Results based on merged data sets from the literature
GH Smith et al.
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC (2005)
Abundances in a large sample of stars in M3 and M13
JG Cohen et al.
ASTRONOMICAL JOURNAL (2005)
ω Centauri:: The population puzzle goes deeper
LR Bedin et al.
ASTROPHYSICAL JOURNAL (2004)
Why hot horizontal branch stars can appear redder than red giants
Y Momany et al.
ASTRONOMY & ASTROPHYSICS (2003)
Carbon isotopes in globular clusters down to the bump in the luminosity function
MD Shetrone
ASTROPHYSICAL JOURNAL (2003)
Abundances in stars from the red giant branch tip to near the main-sequence turnoff in M71.: III.: Abundance ratios
SV Ramírez et al.
ASTRONOMICAL JOURNAL (2002)
Abundances of RGB stars in NGC 6752
F Grundahl et al.
ASTRONOMY & ASTROPHYSICS (2002)
The O-Na and Mg-Al anticorrelations in turn-off and early subgiants in globular clusters
RG Gratton et al.
ASTRONOMY & ASTROPHYSICS (2001)
Predictions for self-pollution in globular cluster stars
P Ventura et al.
ASTROPHYSICAL JOURNAL (2001)
New evidence for the complex structure of the red giant branch in ω Centauri
E Pancino et al.
ASTROPHYSICAL JOURNAL (2000)
Photometry of the globular cluster M54 and the Sagittarius dwarf galaxy: The age-metallicity relation
AC Layden et al.
ASTRONOMICAL JOURNAL (2000)
Age and metallicity effects in omega Centauri: Stromgren photometry at the main-sequence turnoff
J Hughes et al.
ASTRONOMICAL JOURNAL (2000)