Publications (59)
Silver and palladium help unveil the nature of a second r-process
Camilla Juul Hansen, Francesca Primas, Henrik Hartman +7
HE 0437-5439 -- an unbound hyper-velocity main-sequence B-type star
Heinz Edelmann, Ralf Napiwotzki, Uli Heber +2
Discovery of a strongly r-process enhanced extremely metal-poor star LAMOST J110901.22+075441.8
Haining Li, Wako Aoki, Satoshi Honda +3
The Oxygen Abundance of HE 1327-2326
Anna Frebel, Norbert Christlieb, John E. Norris +2
The Frequency of Carbon Stars Among Extremely Metal-Poor Stars
Judith G. Cohen, Stephen Shectman, Ian Thompson +6
Discovery of HE 1523-0901, a Strongly r-Process Enhanced Metal-Poor Star with Detected Uranium
Anna Frebel, Norbert Christlieb, John E. Norris +3
Stellar Archaeology: a Keck Pilot Program on Extremely Metal-Poor Stars From the Hamburg/ESO Survey. I Stellar Parameters
Judith G. Cohen, Norbert Christlieb, Timothy C. Beers +2
HE0241-0155 - Evidence for a large scale homogeneous field in a highly magnetic white dwarf
Dieter Reimers, Stefan Jordan, Norbert Christlieb
The Frequency of Carbon Rich Stars Among Extremely Metal Poor Stars
Judith G. Cohen, Stephen Shectman, Ian Thompson +6
The LEGUE Input Catalogue for Dark Night Observing in the LAMOST Pilot Survey
Fan Yang, Jeffrey L. Carlin, Chao Liu +14
Spectroscopic analysis of metal-poor stars from LAMOST: early results
Hai-Ning Li, Gang Zhao, Norbert Christlieb +5
A high-resolution spectral analysis of three carbon-enhanced metal-poor stars
Aruna Goswami, Wako Aoki, Timothy C. Beers +4
Chemical Abundance Analysis of the Extremely Metal-Poor Star HE 1300+0157
Anna Frebel, John E. Norris, Wako Aoki +5
LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) The survey science plan
Licai Deng, Heidi Jo Newberg, Chao Liu +22
Statistical methods of automatic spectral classification and their application to the Hamburg/ESO Survey
Norbert Christlieb, Lutz Wisotzki, Gerd Grasshoff
Abundances In Very Metal Poor Dwarf Stars
Judith G. Cohen, Norbert Christlieb, Andrew McWilliam +7
Broadband UBVRI Photometry of Horizontal-Branch and Metal-Poor Candidates from the HK and Hamburg/ESO Surveys. I
Timothy C. Beers, Chris Flynn, Silvia Rossi +17
Direct determination of quasar redshifts
Jos de Bruijne, Alastair Reynolds, Michael Perryman +6
The selection of LEGUE disk targets for LAMOST's pilot survey
Li Chen, Jinliang Hou, Jincheng Yu +18
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] < -2
Judith Cohen, Norbert Christlieb, Ian Thompson +5
Metal-Poor Stars Observed with the Magellan Telescope I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-Process Nucleosynthesis
Vinicius M. Placco, Anna Frebel, Timothy C. Beers +5
Searches for Metal-Poor Stars from the Hamburg/ESO Survey using the CH G-band
Vinicius M. Placco, Catherine R. Kennedy, Timothy C. Beers +6
Carbon Stars in the Hamburg/ESO Survey: Abundances
Judith G. Cohen, Andrew McWilliam, Stephen Shectman +6
Ongoing Large Surveys for Metal-Poor Stars in the Galactic Halo
Norbert Christlieb, Timothy C. Beers
A Status Report on the 0Z Project
Judith G. Cohen, Norbert Christlieb, Andrew McWilliam +2
A Search for Nitrogen-Enhanced Metal-Poor Stars
Jennifer A. Johnson, Falk Herwig, Timothy C. Beers +1
The site conditions of the Guo Shou Jing Telescope
Song Yao, Chao Liu, Haotong Zhang +18
Carbon-enhanced metal-poor stars: the most pristine objects?
Monique Spite, E. Caffau, Piercarlo Bonifacio +4
High-resolution spectroscopic studies of ultra metal-poor stars found in LAMOST survey
Haining Li, Wako Aoki, Gang Zhao +3
Carbon Enhanced Metal-Poor Stars. I. Chemical Compositions of 26 Stars
Wako Aoki, Timothy C. Beers, Norbert Christlieb +3
Stellar abundances and presolar grains trace the nucleosynthetic origin of molybdenum and ruthenium
Camilla J. Hansen, Anja C. Andersen, Norbert Christlieb
Abundance Analysis of HE2148-1247, A Star With Extremely Enhanced Neutron Capture Elements
Judith G. Cohen, Norbert Christlieb, Y. -Z. Qian +1
The Frequency of Carbon-Enhanced Metal-Poor Stars in the Galaxy from the HERES sample
Sara Lucatello, Timothy Beers, Norbert Christlieb +5
HE 1327-2326, an unevolved star with [Fe/H]<-5.0. II. New 3D-1D corrected abundances from a VLT/UVES spectrum
Anna Frebel, Kjell Eriksson, Remo Collet +2
The LEGUE High Latitude Bright Survey Design for the LAMOST Pilot Survey
Yueyang Zhang, Jeffrey L. Carlin, Fan Yang +14
Nucleosynthetic signatures of the first stars
Anna Frebel, Wako Aoki, Norbert Christlieb +16
An Algorithm for Preferential Selection of Spectroscopic Targets in LEGUE
Jeffrey L. Carlin, Sebastien Lepine, Heidi Jo Newberg +22
The Hamburg/ESO R-process Enhanced Star survey (HERES) IX. Constraining pure r-process Ba/Eu abundance ratio from observations of r-II stars
Lyudmila Mashonkina, Norbert Christlieb
Oxygen Overabundance in the Extremely Iron-Poor Star CS29498-043
Wako Aoki, John E. Norris, Sean G. Ryan +4
Stellar Archaeology: a Keck Pilot Program on Extremely Metal-Poor Stars from the Hamburg/ESO Survey. II. Abundance Analysis
Eugenio Carretta, Raffaele Gratton, Judith G. Cohen +2
The Hamburg/ESO R-process Enhanced Star survey (HERES)VII. Thorium abundances in metal-poor stars
Jing Ren, Norbert Christlieb, Gang Zhao
The Chemical Abundances of Stars in the Halo (CASH) Project. III. A New Classification Scheme for Carbon-Enhanced Metal-poor Stars with S-process Element Enhancement
Julie K. Hollek, Anna Frebel, Vinicius M. Placco +4
Observational Constraints on First-Star Nucleosynthesis. II. Spectroscopy of an Ultra Metal-Poor CEMP-no Star
Vinicius M. Placco, Anna Frebel, Timothy C. Beers +6
A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
Vinicius M. Placco, Catherine R. Kennedy, Silvia Rossi +6
Stellar Archaeology: a Keck Pilot Program on Extremely Metal- Poor Stars From the Hamburg/ESO Survey. III. The Lead (Pb) Star HE 0024-2523
Sara Lucatello, Raffaele Gratton, Judith G. Cohen +4
Outliers in the 0Z Survey
Judith G. Cohen, Norbert Christlieb, Ian Thompson +2
The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy
Ian U. Roederer, Karl-Ludwig Kratz, Anna Frebel +4
The Metallicity Distribution Function of the Halo of the Milky Way
Timothy C. Beers, Norbert Christlieb, John E. Norris +8
Finding the Most Metal-poor Stars of the Galactic Halo with the Hamburg/ESO Objective-Prism Survey
Norbert Christlieb
An Automated Search for Metal-Poor Halo Stars in the Hamburg/ESO Objective-Prism Survey
Norbert Christlieb, Lutz Wisotzki, Dieter Reimers +3
New Extremely Metal-Poor Stars in the Galactic Halo
Judith G. Cohen, Norbert Christlieb, Andrew McWilliam +5
4MOST - 4-metre Multi-Object Spectroscopic Telescope
Roelof S. de Jong, Olga Bellido-Tirado, Cristina Chiappini +82
Kinematics of the Galactic Halo from Horizontal Branch stars in the Hamburg/ESO Survey
Christopher Thom, Chris Flynn, Michael S. Bessell +6
A New Type of Extremely Metal Poor Star
Judith G. Cohen, Andrew McWilliam, Norbert Christlieb +5
Lithium Abundances of Extremely Metal-Poor Turn-off Stars
Wako Aoki, Paul S. Barklem, Timothy C. Beers +5
[O/Fe] Estimates for Carbon-Enhanced Metal-Poor Stars from Near-IR Spectroscopy
Catherine R. Kennedy, Thirupathi Sivarani, Timothy C. Beers +6
A stellar relic from the early Milky Way
Norbert Christlieb, Michael S. Bessell, Timothy C. Beers +6
Metal-Poor Stars Observed with the Magellan Telescope II. Discovery of Four Stars with [Fe/H] < -3.5
Vinicius M. Placco, Anna Frebel, Timothy C. Beers +5
A Catalogue of Field Horizontal Branch Stars Aligned with High Velocity Clouds
Christopher Thom, Brad K. Gibson, Norbert Christlieb