Items where Author is "Beers, T.C."
Number of items: 33.
Abundances of carbon-enhanced metal-poor stars as constraints on their formation. (2016)
C.J. Hansen,
B. Nordström,
T.T. Hansen,
C.R. Kennedy,
V.M. Placco,
T.C. Beers,
J. Andersen,
Gabriele Cescutti
and
Cristina Chiappini
Lithium abundances of extremely metal-poor turnoff stars. (2009)
W. Aoki,
P.S. Barklem,
T.C. Beers,
N. Christlieb,
S. Inoue,
A.E. Garcia Perez,
J.E. Norris
and
D. Carollo
A new sample of extremely/ultra metal-poor stars. (2008)
A. E. Garcia Perez,
N. Christlieb,
Sean G. Ryan,
T.C. Beers,
W. Aoki,
M. Asplund,
P.S. Barklem,
M.S. Bessell,
K. Eriksson,
A. Frebel,
B. Gustafsson,
A.J. Korn,
B. Nordstrom
and
J.E. Norris
Carbon-Enhanced Metal-Poor Stars. III : Main-Sequence Turn-Off Stars from the SDSS/SEGUE Sample. (2008)
W. Aoki,
T.C. Beers,
T. Sivarani,
B. Marsteller,
Y.S. Lee,
S. Honda,
J.E. Norris,
Sean G. Ryan
and
D. Carollo
Carbon enhanced metal-poor stars I : Chemical compositions of 26 stars. (2007)
W. Aoki,
T.C. Beers,
N. Christlieb,
J.E. Norris,
Sean G. Ryan
and
S. Tsangarides
Spectroscopic studies of extremely metal-poor stars with the Subaru high dispersion spectrograph. IV : The alpha-element-enhanced metal-poor star BS16934-002. (2007)
W. Aoki,
S. Honda,
T.C. Beers,
M. Takada-Hidai,
N. Iwamoto,
N. Tominaga,
H. Umeda,
K. Nomoto,
J.E. Norris
and
Sean G. Ryan
Carbon-enhanced metal-poor stars. Osmium and iridium abundances in the neutron-capture-enhanced subgiants CS31062-050 and LP625-44. (2006)
W. Aoki,
S. Bisterzo,
R. Gallino,
T.C. Beers,
J.E. Norris,
Sean G. Ryan
and
S. Tsangarides
A high-resolution spectral analysis of three carbon-enhanced metal-poor stars. (2006)
A. Goswami,
W. Aoki,
T.C. Beers,
N. Christlieb,
J.E. Norris,
Sean G. Ryan
and
S. Tsangarides
Nucleosynthetic signatures of the first stars. (2005)
A. Frebel,
W. Aoki,
N. Christlieb,
H. Ando,
M. Asplund,
P.S. Barklem,
T.C. Beers,
K. Eriksson,
C. Fechner,
M.Y. Fujimoto,
S. Honda,
T. Kajino,
T. Minezaki,
K. Nomoto,
J.E. Norris,
Sean G. Ryan,
M. Takada-Hidai,
S. Tsangarides
and
Y. Yoshii
Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing. (2005)
E. Arnone,
Sean G. Ryan,
D. Argast,
J.E. Norris
and
T.C. Beers
The Binary Frequency Among Carbon-enhanced, s-Process-rich, Metal-poor Stars. (2005)
S. Lucatello,
S. Tsangarides,
T.C. Beers,
E. Carretta,
R.G. Gratton
and
Sean G. Ryan
The new record holder for the most iron-poor star: HE 1327−2326, a dwarf or subgiant with [Fe/H] = −5.4. (2005)
A. Frebel,
W. Aoki,
N. Christlieb,
H. Ando,
M. Asplund,
P.S. Barklem,
T.C. Beers,
K. Eriksson,
C. Fechner,
M.Y. Fujimoto,
S. Honda,
T. Kajino,
T. Minezaki,
K. Nomoto,
J.E. Norris,
Sean G. Ryan,
M. Takada-Hidai,
S. Tsangarides
and
Y. Yoshii
The Hamburg/ESO R-process Enhanced Star survey (HERES). I : Project description and discovery of two stars with strong enhancements of neutron-capture elements. (2004)
N. Christlieb,
T.C. Beers,
P.S. Barklem,
M.S. Bessell,
V. Hill,
J. Holmberg,
A.J. Korn,
B. Marsteller,
L. Mashonkina,
Y.Z. Qian,
S. Rossi,
G.J. Wasserburg,
F.J. Zickgraf,
K.L. Kratz,
B. Nordstrom,
B. Pfeiffer,
J. Rhee
and
Sean G. Ryan
Oxygen Overabundance in the Extremely Iron-poor Star CS 29498-043. (2004)
W. Aoki,
J.E. Norris,
Sean G. Ryan,
T.C. Beers,
N. Christlieb,
S. Tsangarides
and
H. Ando
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data. (2004)
S. Honda,
W. Aoki,
H. Ando,
H. Izumiura,
T. Kajino,
E. Kambe,
S. Kawanomoto,
K. Noguchi,
K. Okita,
K. Sadakane,
B. Sato,
M. Takada-Hidai,
Y. Takeda,
E. Watanabe,
T.C. Beers,
J.E. Norris
and
Sean G. Ryan
On the binarity of carbon-enhanced, metal-poor stars. (2004)
S. Tsangarides,
Sean G. Ryan
and
T.C. Beers
Europium Isotope Ratios in s-Process Element-enhanced Metal-poor Stars : A New probe of the 151Sm Branching. (2003)
W. Aoki,
Sean G. Ryan,
N. Iwamoto,
T.C. Beers,
J.E. Norris,
H. Ando,
T. Kajino,
G.J. Mathews
and
M.Y. Fujimoto
Abundances and Kinematics of Extremely Metal-Deficient, Carbon-Rich Halo Stars. (2003)
S. Tsangarides,
Sean G. Ryan
and
T.C. Beers
A Subaru/High Dispersion Spectrograph Study of Lead (Pb) Abundances in Eight s-Process Element-rich, Metal-poor Stars. (2002)
W. Aoki,
Sean G. Ryan,
J.E. Norris,
T.C. Beers,
H. Ando
and
S. Tsangarides
Chemical Composition fo the Carbon-rich, Extremely Metal Poor Star CS 29498-043. (2002)
W. Aoki,
J.E. Norris,
Sean G. Ryan,
T.C. Beers
and
H. Ando
Rapid Rotation of Ultra-Li-depleted Halo Stars and Their Association with Blue Stragglers. (2002)
Sean G. Ryan,
S. Gregory,
U. Kolb,
T.C. Beers
and
T. Kajino
Extremely Metal-poor Stars : IX CS 22949-037 and the Role of Hypernovae. (2002)
J.E. Norris,
Sean G. Ryan,
T.C. Beers,
H. Ando
and
W. Aoki
The Chemical Composition of Carbon-rich, very Metal Poor Stars : A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements. (2002)
W. Aoki,
J.E. Norris,
Sean G. Ryan,
T.C. Beers
and
H. Ando
Extremely Metal-Poor Stars. VIII. High-Resolution, HighSignal-to-Noise Ratio Analysis of Five Stars with [Fe/H][[3.5. (2001)
J.E. Norris,
Sean G. Ryan
and
T.C. Beers
Neutron Capture Elements in s-Process-Rich, Very Metal-Poor Stars. (2001)
W. Aoki,
Sean G. Ryan,
J.E. Norris,
T.C. Beers,
H. Ando,
N. Iwamoto,
T. Kajino,
G.J. Mathews
and
M.Y. Fujimoto
Abundances and Evolution of Lithium in the Galactic Halo and Disk. (2001)
Sean G. Ryan,
T. Kajino,
T.C. Beers,
T.K. Suzuki,
D. Romano,
F. Matteucci
and
K. Rosolankova
Ultra-Lithium-deficient Halo Stars and Blue Stragglers : A Common Origin? (2001)
Sean G. Ryan,
T.C. Beers,
T. Kajino
and
K. Rosolankova
s- and r-process elements in two very metal-poor stars. (2001)
Sean G. Ryan,
W. Aoki,
L.A.J. Blake,
J.E. Norris,
T.C. Beers,
R. Gallino,
M. Busso
and
H. Ando
Primordial Lithium and Big Bang Nucleosynthesis. (2000)
Sean G. Ryan,
T.C. Beers,
K.A. Olive,
B.D. Fields
and
J.E. Norris
Beryllium Abundances in Halo Stars from Keck/HIRES Observations. (1999)
A.M. Boesgaard,
C.P. Deliyannis,
J.R. King,
Sean G. Ryan,
S. Vogt
and
T.C. Beers
Estimation of Stellar Metal Abundance. II : A Recalibration of the Ca II K Technique, and the Autocorrelation Function Method. (1999)
T.C. Beers,
S. Rossi,
J.E. Norris,
Sean G. Ryan
and
T. Shefler
The Spite Lithium Plateau: Ultrathin but Postprimordial. (1999)
Sean G. Ryan,
J.E. Norris
and
T.C. Beers
NLTE spectral analysis of helium-rich sdO stars from the southern HK survey. (1996)
J.S. Drilling,
R. Napiwotzki,
S. Dreizler,
U. Heber
and
T.C. Beers