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Browsing by Author Norris, John

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Showing results 41 to 60 of 118

Exploring the origin of lithium, carbon, strontium, and barium with four new ultra metal-poor stars

Author(s)Hansen, Terese; Hansen, C J; Christlieb, N, et al
TypeJournal article
Date Published2014
Date Created-

Extremely Metal-Poor Stars

Author(s)Norris, John
TypeConference paper
Date Published2004
Date CreatedFebruary 16 2003

Extremely Metal-poor Stars. IX. CS 22949-037 and the Role of Hypernovae

Author(s)Norris, John; Ryan, Sean G; Beers, Timothy C, et al
TypeJournal article
Date Published2002
Date Created-

Extremely Metal-poor Stars. VII. The Most Metal-poor Dwarf, CS 22876-032

Author(s)Norris, John; Beers, Timothy C; Ryan, Sean G
TypeJournal article
Date Published2000
Date Created-

Extremely Metal-poor Stars. VIII. High-resolution, High Signal-to-noise Ratio Analysis of Five Stars with [Fe/H] ≤-3.5.

Author(s)Norris, John; Ryan, Sean G; Beers, Timothy C
TypeJournal article
Date Published2001
Date Created-

Fashionably Late? Building Up The Milky Way's Inner Halo

Author(s)Morrison, Heather; Helmi, Amina; Sun, Jiayang, et al
TypeJournal article
Date Published2009
Date Created-

Further Evidence of a Merger Origin for the Thick Disk: Galactic Stars along Lines of Sight to Dwarf Spheroidal Galaxies

Author(s)Wyse, Rosemary F G; Gilmore, Gerard; Norris, John, et al
TypeJournal article
Date Published2006
Date Created-

Global and nonglobal parameters of horizontal-branch morphology of globular clusters

Author(s)Milone, Antonino; Marino, Anna; Dotter, Aaron, et al
TypeJournal article
Date Published2014
Date Created-

Globular Cluster and Galaxy formation: M31, The Milky Way, and Implications for Globular Cluster Systems of Spiral Galaxies

Author(s)Burstein, David; Li, Yong; Freeman, Kenneth, et al
TypeJournal article
Date Published2004
Date Created-

Halo Star Streams in the Solar Neighborhood

Author(s)Kepley, Amanda; Morrison, Heather; Helmi, Amina, et al
TypeJournal article
Date Published2007
Date Created-

HE 0557-4840: Ultra-Metal-Poor and Carbon-Rich

Author(s)Norris, John; Christlieb, Norbert; Korn, A J, et al
TypeJournal article
Date Published2007
Date Created-

HE 1327-2326, An Unevolved Star with [Fe/H] < -5.0. I. A Comprehensive Abundance Analysis

Author(s)Aoki, Wako; Frebel, Anna; Christlieb, Norbert, et al
TypeJournal article
Date Published2006
Date Created-

High precision differential abundance measurements in globular clusters: Chemical inhomogeneities in NGC 6752

Author(s)Yong, David; Melendez, Jorge; Grundahl, Frank, et al
TypeJournal article
Date Published2013
Date Created-

High-Resolution Spectroscopic Study of Extremely Metal-Poor Star Candidates from the SkyMapper Survey

Author(s)Jacobson, Heather; Keller, Stefan; Frebel, Anna, et al
TypeJournal article
Date Published2015
Date Created-

Iron and neutron-capture element abundance variations in the globular cluster M2 (NGC 7089)

Author(s)Yong, David; Roederer, Ian U.; Grundahl, Frank, et al
TypeJournal article
Date Published2014
Date Created-

Iron and s-elements abundance variations in NGC 5286: Comparison with 'anomalous' globular clusters and Milky Way satellites

Author(s)Marino, Anna; Milone, Antonino; Karakas, Amanda, et al
TypeJournal article
Date Published2015
Date Created-

Lead (Pb) in the C-rich, s-process rich, metal poor subgiant LP625-44

Author(s)Ryan, Sean G; Aoki, Wako; Norris, John, et al
TypeJournal article
Date Published2001
Date Created-

Lithium Abundances of Extremely Metal-Poor Turnoff Stars

Author(s)Aoki, Wako; Barklem, Paul S; Beers, Timothy C, et al
TypeJournal article
Date Published2009
Date Created-

Lithium abundances of halo dwarfs based on excitation temperature. I. Local thermodynamic equilibrium

Author(s)Hosford, A.; Ryan, S. G.; Garcia Perez, Ana, et al
TypeJournal article
Date Published2009
Date Created-

Lithium abundances of halo dwarfs based on excitation temperatures. II. Non-local thermodynamic equilibrium

Author(s)Hosford, A.; Garcia Perez, Ana; Collet, R, et al
TypeJournal article
Date Published2010
Date Created-

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