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Results 1 - 92 of 92

The chemical evolution of the solar neighbourhood for planet-hosting stars. (arXiv:2307.12330v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 30 - article #2
- Marco Pignatari, Thomas C. L. Trueman, Kate A. Womack, Brad K. Gibson, Benoit Côté, Diego Turrini, Christopher Sneden, Stephen J. Mojzsis, Richard J. Stancliffe, Paul Fong, Thomas V. Lawson, James D. Keegans, Kate Pilkington, Jean-Claude Passy, Timothy C. Beers, Maria Lugaro
- http://arxiv.org/abs/2307.12330
Iron-Peak Element Abundances in Warm Very Metal-Poor Stars. (arXiv:2304.06899v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 16 - article #1
- Christopher Sneden, Ann Merchant Boesgaard, John J. Cowan, Ian U. Roederer, Elizabeth A. Den Hartog, James E. Lawler
- http://arxiv.org/abs/2304.06899
Chemical Compositions of Red Giant Stars from Habitable Zone Planet Finder Spectroscopy
- Virtual Journal - Volume 19, Issue 9 - article #8
- Christopher Sneden, Melike AfÃ…ÂŸar, Zeynep Bozkurt, Gamze BÃƒÂ¶cek Topcu, Sergen ÃƒÂ–zdemir, Gregory R. Zeimann, Cynthia S. Froning, Suvrath Mahadevan, Joe P. Ninan, Chad F. Bender, Ryan Terrien, Lawrence W. Ramsey, Karin Lind, Gregory N. Mace, Kyle F. Kaplan, Hwihyun Kim, Keith Hawkins,, Brendan P. Bowler
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/161/3/128
Origin of the heaviest elements: The rapid neutron-capture process
- Virtual Journal - Volume 19, Issue 6 - article #15
- John J. Cowan, Christopher Sneden, James E. Lawler, Ani Aprahamian, Michael Wiescher, Karlheinz Langanke, Gabriel MartÃƒÂnez-Pinedo,, Friedrich-Karl Thielemann
- Reviews of Modern Physics
- http://link.aps.org/doi/10.1103/RevModPhys.93.015002
Vanadium Abundance Derivations in 255 Metal-poor Stars
- Virtual Journal - Volume 18, Issue 37 - article #29
- Xiaowei Ou, Ian U. Roederer, Christopher Sneden, John J. Cowan, James E. Lawler, Stephen A. Shectman,, Ian B. Thompson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/900/2/106
Vanadium Abundance Derivations in 255 Metal-poor Stars. (arXiv:2008.05500v1 [astro-ph.SR])
- Virtual Journal - Volume 18, Issue 33 - article #7
- Xiaowei Ou, Ian U. Roederer, Christopher Sneden, John J. Cowan, James E. Lawler, Stephen A. Shectman, Ian B. Thompson
- http://arxiv.org/abs/2008.05500
Origin of the Heaviest Elements: the Rapid Neutron-Capture Process. (arXiv:1901.01410v2 [astro-ph.HE] UPDATED)
- Virtual Journal - Volume 18, Issue 18 - article #4
- John J. Cowan, Christopher Sneden, James E. Lawler, Ani Aprahamian, Michael Wiescher, Karlheinz Langanke, Gabriel Martínez-Pinedo, Friedrich-Karl Thielemann
- http://arxiv.org/abs/1901.01410
Fluorine in the solar neighbourhood: the need for several cosmic sources. (arXiv:2003.04656v1 [astro-ph.GA])
- Virtual Journal - Volume 18, Issue 11 - article #3
- Nils Ryde, Henrik Jönsson, Gregory Mace, Katia Cunha, Emanuele Spitoni, Melike Afsar, Daniel Jaffe, Rebecca Forsberg, Kyle F. Kaplan, Benjamin T. Kidder, Jae-Joon Lee, Heeyoung Oh, Verne V. Smith, Christopher Sneden, Kimberly R. Sokal, Emily Strickland, Brian Thorsbro
- http://arxiv.org/abs/2003.04656
Detailed Iron-Peak Element Abundances in Three Very Metal-Poor Stars. (arXiv:2001.00541v1 [astro-ph.SR])
- Virtual Journal - Volume 18, Issue 1 - article #2
- John J. Cowan, Christopher Sneden, Ian U. Roederer, James E. Lawler, Elizabeth A. Den Hartog, Jennifer S. Sobeck, Ann Merchant Boesgaard
- http://arxiv.org/abs/2001.00541
The R -Process Alliance: Discovery of a Low- α , r -process-enhanced Metal-poor Star in the Galactic Halo
- Virtual Journal - Volume 17, Issue 14 - article #22
- Charli M. Sakari, Ian U. Roederer, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Christopher Sneden, John J. Cowan, George Wallerstein, Elizabeth M. Farrell, Kim A. Venn, Gal MatijeviÃ„Â, Rosemary F. G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz,, Fred Watson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/874/2/148
The R-Process Alliance: Discovery of a low-alpha, r-Process-Enhanced Metal-Poor Star in the Galactic Halo. (arXiv:1903.01480v1 [astro-ph.SR])
- Virtual Journal - Volume 17, Issue 10 - article #9
- Charli M. Sakari, Ian U. Roederer, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Christopher Sneden, John J. Cowan, George Wallerstein, Elizabeth M. Farrell, Kim A. Venn, Gal Matijevic, Rosemary F.G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz, Fred Watson
- http://arxiv.org/abs/1903.01480
The R-Process Alliance: First Release from the Northern Search for r-Process Enhanced Metal-Poor Stars in the Galactic Halo. (arXiv:1809.09156v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 39 - article #19
- Charli M. Sakari, Vinicius M. Placco, Elizabeth M. Farrell, Ian U. Roederer, George Wallerstein, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Erika M. Holmbeck, Christopher Sneden, Kim A. Venn, Christopher Evan Davis, Gal Matijevic, Rosemary F.G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz, Fred Watson
- http://arxiv.org/abs/1809.09156
Iron-group Abundances in the Metal-poor Main-Sequence Turnoff Star HD~84937
- Virtual Journal - Volume 14, Issue 6 - article #31
- Christopher Sneden, John J. Cowan, Chiaki Kobayashi, Marco Pignatari, James E. Lawler, Elizabeth A. Den Hartog, and Michael P. Wood
- The Astrophysical Journal - Volume: 817, Issue: 1
- View article PDF (1.79 MB)
The Chemical Compositions of Very Metal-Poor Stars HD 122563 and HD 140283; A View From the Infrared
- Virtual Journal - Volume 14, Issue 3 - article #17
- Melike Afşar, Christopher Sneden, Anna Frebel, Hwihyun Kim, Gregory N. Mace, Kyle F. Kaplan, Hye-In Lee, Hee-Young Oh, Jae Sok Oh, Soojong Pak, Chan Park, Michael D. Pavel, In-Soo Yuk, Daniel T. Jaffe
- arXiv.org - Astrophysics - Volume: 2016, Issue: 15 Jan
- arXiv:1601.02450 [pdf, ps, other]
Erratum: Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement
- Virtual Journal - Volume 14, Issue 1 - article #10
- Ian U. Roederer, John J. Cowan, George W. Preston, Stephen A. Shectman, Christopher Sneden, and Ian B. Thompson
- Monthly Notices of the Royal Astronomical Society - Volume: 455, Issue: 4
- Extract Full Text (HTML) Full Text (PDF)
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
- Virtual Journal - Volume 13, Issue 45 - article #35
- Julie K. Hollek, Anna Frebel, Vinicius M. Placco, Amanda I. Karakas, Matthew Shetrone, Christopher Sneden, and Norbert Christlieb
- The Astrophysical Journal - Volume: 814, Issue: 2
- View article PDF (1.65 MB)
Iron-Group Abundances in the Metal-Poor Main Sequence Turnoff Star HD~84937
- Virtual Journal - Volume 13, Issue 44 - article #3
- Christopher Sneden, John J. Cowan, Chiaki Kobayashi, Marco Pignatari, James E. Lawler, Elizabeth A. Den Hartog, Michael P. Wood
- arXiv.org - Astrophysics - Volume: 2015, Issue: 20 Nov
- arXiv:1511.05985 [pdf, other]
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
- Virtual Journal - Volume 13, Issue 40 - article #17
- Julie K. Hollek (UT/JINA), Anna Frebel (MIT/JINA), Vinicius M. Placco (U Notre Dame/JINA), Amanda I. Karakas (ANU), Matthew Shetrone (UT/McDonald Obs.), Christopher Sneden (UT), Norbert Christlieb (Heidelberg)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Oct
- arXiv:1510.06825 [pdf, ps, other]
Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars
- Virtual Journal - Volume 13, Issue 31 - article #8
- Vinicius M. Placco, Timothy C. Beers, Inese I. Ivans, Dan Filler, Julie A. Imig, Ian U. Roederer, Carlo Abate, Terese Hansen, John J. Cowan, Anna Frebel, James E. Lawler, Hendrik Schatz, Christopher Sneden, Jennifer S. Sobeck, Wako Aoki, Verne V. Smith, Michael Bolte
- arXiv.org - Astrophysics - Volume: 2015, Issue: 28 Aug
- arXiv:1508.05872 [pdf, ps, other]
Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement
- Virtual Journal - Volume 12, Issue 24 - article #92
- Ian U. Roederer, John J. Cowan, George W. Preston, Stephen A. Shectman, Christopher Sneden, and Ian B. Thompson
- Monthly Notices of the Royal Astronomical Society - Volume: 445, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF)
Searching for Chemical Signatures of Multiple Stellar Populations in the Old, Massive Open Cluster NGC 6791
- Virtual Journal - Volume 12, Issue 24 - article #103
- Angela Bragaglia, Christopher Sneden, Eugenio Carretta, Raffaele G. Gratton, Sara Lucatello, Peter F. Bernath, James S. A. Brooke, and Ram S. Ram
- The Astrophysical Journal - Volume: 796, Issue: 1
- View article PDF (1.20 MB)
Hubble Space Telescope Near-ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44Â°493
- Virtual Journal - Volume 12, Issue 21 - article #149
- Vinicius M. Placco, Timothy C. Beers, Ian U. Roederer, John J. Cowan, Anna Frebel, Dan Filler, Inese I. Ivans, James E. Lawler, Hendrik Schatz, Christopher Sneden, Jennifer S. Sobeck, Wako Aoki, and Verne V. Smith
- The Astrophysical Journal - Volume: 790, Issue: 1
- View article PDF (835 KB)
New Detections of Arsenic, Selenium, and Other Heavy Elements in Two Metal-poor Stars
- Virtual Journal - Volume 12, Issue 21 - article #159
- Ian U. Roederer, Hendrik Schatz, James E. Lawler, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Christopher Sneden, and Jennifer S. Sobeck
- The Astrophysical Journal - Volume: 791, Issue: 1
- View article PDF (871 KB)
New Detections of Arsenic, Selenium, and Other Heavy Elements in Two Metal-Poor Stars
- Virtual Journal - Volume 12, Issue 20 - article #61
- Ian U. Roederer, Hendrik Schatz, James E. Lawler, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Christopher Sneden, Jennifer S. Sobeck
- arXiv.org - Astrophysics - Volume: 2014, Issue: 20 Jun
- arXiv:1406.4554 [pdf, ps, other]
Hubble Space Telescope Near-Ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44 493
- Virtual Journal - Volume 12, Issue 20 - article #148
- Vinicius Placco, Timothy Beers, Ian Roederer, John Cowan, Anna Frebel, Dan Filler, Inese I. Ivans, James E. Lawler, Hendrik Schatz, Christopher Sneden, Jennifer Sobeck, Wako Aoki, Verne Smith
- arXiv.org - Astrophysics - Volume: 2014, Issue: 6 Jun
- arXiv:1406.0538 [pdf, ps, other]
A Search for Stars of Very Low Metal Abundance. VI. Detailed Abundances of 313 Metal-poor Stars
- Virtual Journal - Volume 12, Issue 20 - article #236
- Ian U. Roederer, George W. Preston, Ian B. Thompson, Stephen A. Shectman, Christopher Sneden, Gregory S. Burley, and Daniel D. Kelson
- Astronomical Journal - Volume: 147, Issue: 6
- View article PDF (5.13 MB)
Neutron-capture Nucleosynthesis in the First Stars
- Virtual Journal - Volume 12, Issue 17 - article #45
- Ian U. Roederer, George W. Preston, Ian B. Thompson, Stephen A. Shectman, and Christopher Sneden
- The Astrophysical Journal - Volume: 784, Issue: 2
- View article PDF (1.39 MB)
A Search for Stars of Very Low Metal Abundance. VI. Detailed Abundances of 313 Metal-Poor Stars
- Virtual Journal - Volume 12, Issue 13 - article #2
- Ian U. Roederer, George W. Preston, Ian B. Thompson, Stephen A. Shectman, Christopher Sneden, Gregory S. Burley, Daniel D. Kelson
- arXiv.org - Astrophysics - Volume: 2014, Issue: 28 Mar
- arXiv:1403.6853 [pdf, other]
The Chemical Compositions of RR Lyrae Type C Variable Stars
- Virtual Journal - Volume 12, Issue 8 - article #41
- Jose Govea, Thomas Gomez, George W. Preston, and Christopher Sneden
- The Astrophysical Journal - Volume: 782, Issue: 2
- View article PDF (1.70 MB)
Atmospheric Parameters and Metallicities for 2191 Stars in the Globular Cluster M4
- Virtual Journal - Volume 12, Issue 4 - article #21
- Luca Malavolta, Christopher Sneden, Giampaolo Piotto, Antonino P. Milone, Luigi R. Bedin, and Valerio Nascimbeni
- Astronomical Journal - Volume: 147, Issue: 2
- View article PDF (5.81 MB)
Atmospheric Parameters and Metallicities for 2191 stars in the Globular Cluster M4
- Virtual Journal - Volume 11, Issue 46 - article #1
- Luca Malavolta (1 and 4), Christopher Sneden (2), Giampaolo Piotto (1 and 4), Antonino P. Milone (3), Luigi R. Bedin (4), Valerio Nascimbeni (4) ((1) Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, (2) Department of Astronomy and McDonald Observatory, The University of Texas, Austin, (3) Research School of Astronomy and Astrophysics, The Australian National University, Australia, (4) INAF - Osservatorio Astronomico di Padova, Italy)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 15 Nov
- arXiv:1311.2592 [pdf, ps, other]
Chemical Abundances of RR Lyrae Type C Star AS162158
- Virtual Journal - Volume 11, Issue 40 - article #5
- Jose Govea, Thomas Gomez, George W. Preston, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Oct
- arXiv:1310.0580 [pdf, ps, other]
New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 52 - article #60
- Ian U. Roederer, James E. Lawler, Jennifer S. Sobeck, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Christopher Sneden, and Ian B. Thompson
- The Astrophysical Journal Supplement - Volume: 203, Issue: 2
- Abstract References Cited by Full text PDF (2.07 MB) HTML with Enhancements
New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 43 - article #14
- Ian U. Roederer, James E. Lawler, Jennifer S. Sobeck, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Christopher Sneden, Ian B. Thompson
- arXiv.org - Astrophysics - Volume: 2012, Issue: 26 Oct
- arXiv:1210.6387 [pdf, ps, other]
Detection of the Second r-process Peak Element Tellurium in Metal-poor Stars
- Virtual Journal - Volume 10, Issue 10 - article #32
- Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck and Christopher Sneden
- The Astrophysical Journal Letters - Volume: 747, Issue: 1
- Abstract References Full text PDF (258 KB) View as HTML
Detection of the Second r-process Peak Element Tellurium in Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 7 - article #6
- Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2378 [pdf, ps, other]
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 14 Extremely Metal-poor Stars
- Virtual Journal - Volume 9, Issue 47 - article #35
- Julie K. Hollek, Anna Frebel, Ian U. Roederer, Christopher Sneden, Matthew Shetrone, Timothy C. Beers, Sung-ju Kang and Christopher Thom
- The Astrophysical Journal - Volume: 742, Issue: 1
- Abstract References Full text PDF (1.32 MB) HTML with Enhancements
The Chemical Compositions of Variable Field Horizontal Branch Stars: RR Lyrae Stars
- Virtual Journal - Volume 9, Issue 40 - article #13
- Bi-Qing For, Christopher Sneden, George W. Preston
- arXiv.org - Astrophysics - Volume: 2011, Issue: 7 Oct
- arXiv:1110.0548 [pdf, ps, other]
Heavy-element Dispersion in the Metal-poor Globular Cluster M92
- Virtual Journal - Volume 9, Issue 37 - article #25
- Ian U. Roederer and Christopher Sneden
- Astronomical Journal - Volume: 142, Issue: 1
- doi:10.1088/0004-6256/142/1/22 Tag this article
New Initiatives on RR Lyrae Chemical Compositions
- Virtual Journal - Volume 9, Issue 34 - article #20
- Christopher Sneden (1), Bi-Qing For (1,2), George W. Preston (3) ((1) Department of Astronomy, University of Texas, Austin, TX (2) ICRAR, University of Western Australia, Crawley WA, Australia (3) Observatories of the Carnegie Institution of Washington, Pasadena, CA)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 26 Aug
- arXiv:1108.5162 [pdf, ps, other]
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 16 Extremely Metal-poor Stars
- Virtual Journal - Volume 9, Issue 34 - article #23
- Julie K. Hollek (UTexas), Anna Frebel (Harvard/CfA), Ian U. Roederer (Carnegie Obs.), Christopher Sneden (UTexas), Matthew Shetrone (McDonald Obs), Timothy C. Beers (Michigan State Univ), Sung-Ju Kang (Iowa State Univ), Christopher Thom (STScI)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 26 Aug
- arXiv:1108.4422 [pdf, ps, other]
Silicon and Oxygen Abundances in Planet-Host Stars
- Virtual Journal - Volume 9, Issue 26 - article #16
- Erik Brugamyer, Sarah E. Dodson-Robinson, William D. Cochran, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2011, Issue: 1 Jul
- arXiv:1106.5509 [pdf, other]
r-Process Abundance Signatures in Metal-Poor Halo Stars
- Virtual Journal - Volume 9, Issue 23 - article #8
- John J. Cowan, Ian U. Roederer, Christopher Sneden, James E. Lawler
- arXiv.org - Astrophysics - Volume: 2011, Issue: 10 Jun
- arXiv:1106.1109 [pdf, ps, other]
The Abundances of Neutron-capture Species in the Very Metal-poor Globular Cluster M15: A Uniform Analysis of Red Giant Branch and Red Horizontal Branch Stars
- Virtual Journal - Volume 9, Issue 23 - article #17
- Jennifer S. Sobeck, Robert P. Kraft, Christopher Sneden, George W. Preston, John J. Cowan, Graeme H. Smith, Ian B. Thompson, Stephen A. Shectman and Gregory S. Burley
- Astronomical Journal - Volume: 141, Issue: 6
- doi: 10.1088/0004-6256/141/6/175 Tag this article
Heavy Element Dispersion in the Metal-Poor Globular Cluster M92
- Virtual Journal - Volume 9, Issue 17 - article #3
- Ian U. Roederer (Carnegie Observatories), Christopher Sneden (University of Texas)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 29 Apr
- arXiv:1104.5055 [pdf, ps, other]
Chemical Abundances for Evolved Stars in M5: Lithium through Thorium
- Virtual Journal - Volume 9, Issue 4 - article #26
- David K. Lai, Graeme H. Smith, Michael Bolte, Jennifer A. Johnson, Sara Lucatello, Robert P. Kraft and Christopher Sneden
- Astronomical Journal - Volume: 141, Issue: 2
- doi: 10.1088/0004-6256/141/2/62 Tag this article
Chemical Abundances for Evolved Stars in M5: Lithium through Thorium
- Virtual Journal - Volume 9, Issue 1 - article #6
- David K. Lai, Graeme H. Smith, Michael Bolte, Jennifer A. Johnson, Sara Lucatello, Robert P. Kraft, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2011, Issue: 7 Jan
- arXiv:1101.0832 [pdf, ps, other]
Multi-Element Abundance Measurements from Medium-Resolution Spectra. II. Catalog of Stars in Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 8, Issue 48 - article #12
- Evan N. Kirby (1), Puragra Guhathakurta (2), Joshua D. Simon (3), Marla C. Geha (4), Constance M. Rockosi (2), Christopher Sneden (5), Judith G. Cohen (1), Sangmo Tony Sohn (6), Steven R. Majewski (7), Michael Siegel (8) ((1) Caltech, (2) UC Santa Cruz, (3) Carnegie Observatories, (4) Yale, (5) UT Austin, (6) STScI, (7) Univ. of Virginia, (8) Penn State)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.4516 [pdf, ps, other]
The Chemical Compositions of Non-variable Red and Blue Field Horizontal Branch Stars
- Virtual Journal - Volume 8, Issue 48 - article #28
- Bi-Qing For and Christopher Sneden
- Astronomical Journal - Volume: 140, Issue: 6
- doi: 10.1088/0004-6256/140/6/1694 Tag this article
The Chemical Compositions of Non-Variable Red and Blue Field Horizontal Branch Stars
- Virtual Journal - Volume 8, Issue 39 - article #21
- Bi-Qing For, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2010, Issue: 24 Sep
- arXiv:1009.4461 [pdf, ps, other]
New Abundance Determinations of Cadmium, Lutetium, and Osmium in the r-process Enriched Star BD+173248
- Virtual Journal - Volume 8, Issue 13 - article #5
- Ian U. Roederer, Christopher Sneden, James E. Lawler, John J. Cowan
- arXiv.org - Astrophysics - Volume: 2010, Issue: 26 Mar
- arXiv:1003.4522 [pdf, ps, other]
Characterizing the Chemistry of the Milky Way Stellar Halo: Detailed Chemical Analysis of a Metal-poor Stellar Stream
- Virtual Journal - Volume 8, Issue 9 - article #57
- <em >Ian U. Roederer, Christopher Sneden, Ian B. Thompson, George W. Preston, and Stephen A. Shectman</em&gt,
- The Astrophysical Journal - Volume: 711, Issue: 2
- Abstract | References
Characterizing the Chemistry of the Milky Way Stellar Halo: Detailed Chemical Analysis of a Metal-Poor Stellar Stream
- Virtual Journal - Volume 8, Issue 3 - article #5
- Ian U. Roederer, Christopher Sneden, Ian B. Thompson, George W. Preston, Stephen A. Shectman
- arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Jan
- arXiv:1001.1745 [ps, pdf, other]
Multi-element Abundance Measurements from Medium-resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy
- Virtual Journal - Volume 7, Issue 43 - article #34
- <em >Evan N. Kirby, Puragra Guhathakurta, Michael Bolte, Christopher Sneden, and Marla C. Geha</em&gt,
- The Astrophysical Journal - Volume: 705, Issue: 1
- Abstract | References
Multi-Element Abundance Measurements from Medium-Resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy
- Virtual Journal - Volume 7, Issue 38 - article #5
- Evan N. Kirby (1), Puragra Guhathakurta (1), Michael Bolte (1), Christopher Sneden (2), Marla C. Geha (3) ((1) University of California Observatories/Lick Observatory, (2) University of Texas Austin, (3) Yale University)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 18 Sep
- arXiv:0909.3092 [ps, pdf, other]
The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy
- Virtual Journal - Volume 7, Issue 24 - article #29
- <em >Ian U. Roederer, Karl-Ludwig Kratz, Anna Frebel, Norbert Christlieb, Bernd Pfeiffer, John J. Cowan, and Christopher Sneden</em&gt,
- The Astrophysical Journal - Volume: 698, Issue: 2
- Abstract | References
New Rare Earth Element Abundance Distributions for the Sun and Five r-Process-Rich Very Metal-Poor Stars
- Virtual Journal - Volume 7, Issue 19 - article #32
- <em >Christopher Sneden, James E. Lawler, John J. Cowan, Inese I. Ivans, and Elizabeth A. Den Hartog</em&gt,
- The Astrophysical Journal Supplement - Volume: 182, Issue: 1
- Abstract | References
The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy
- Virtual Journal - Volume 7, Issue 17 - article #4
- Ian U. Roederer (University of Texas), Karl-Ludwig Kratz (Max-Planck-Institut fur Chemie), Anna Frebel (Harvard-Smithsonian Center for Astrophysics), Norbert Christlieb (Zentrum fur Astronomie der Universitat Heidelberg), Bernd Pfeiffer (Max-Planck-Institut fur Chemie), John J. Cowan (University of Oklahoma), Christopher Sneden (University of Texas)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 24 Apr
- arXiv:0904.3105 [ps, pdf, other]
New Rare Earth Element Abundance Distributions for the Sun and Five r-Process-Rich Very Metal-Poor Stars
- Virtual Journal - Volume 7, Issue 11 - article #6
- Christopher Sneden, James E. Lawler, John J. Cowan, Inese I. Ivans, Elizabeth A. Den Hartog
- arXiv.org - Astrophysics - Volume: 2009, Issue: 13 Mar
- arXiv:0903.1623 [ps, pdf, other]
The SEGUE Stellar Parameter Pipeline. III. Comparison with High-Resolution Spectroscopy of SDSS/SEGUE Field Stars
- Virtual Journal - Volume 6, Issue 42 - article #15
- <em >Carlos Allende Prieto, Thirupathi Sivarani, Timothy C. Beers, Young Sun Lee, Lars Koesterke, Matthew Shetrone, Christopher Sneden, David L. Lambert, Ronald Wilhelm, Constance M. Rockosi, David K. Lai, Brian Yanny, Inese I. Ivans, Jennifer A. Johnson, Wako Aoki, Coryn A. L. Bailer-Jones, and Paola Re Fiorentin</em&gt,
- Astronomical Journal - Volume: 136, Issue: 5
- Abstract | References
Neutron-Capture Elements in the Early Galaxy
- Virtual Journal - Volume 6, Issue 34 - article #1
- Christopher Sneden, John J. Cowan, Roberto Gallino
- Annual Review of Astronomy and Astrophysics - Volume: 46, Issue: 1
- Abstract | Full Text | PDF (1241 KB)
The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) Project. I. The Lithium-, s-, and r-enhanced Metal-poor Giant HKII 17435−00532
- Virtual Journal - Volume 6, Issue 23 - article #21
- Ian U. Roederer, Anna Frebel, Matthew D. Shetrone, Carlos Allende Prieto, Jaehyon Rhee, Roberto Gallino, Sara Bisterzo, Christopher Sneden, Timothy C. Beers, and John J. Cowan
- The Astrophysical Journal - Volume: 679, Issue: 2
- Abstract-Full Text with Enhancements-PDF Version (958 kB)
Metallicity and Alpha-Element Abundance Measurement in Red Giant Stars from Medium Resolution Spectra
- Virtual Journal - Volume 6, Issue 17 - article #2
- Evan N. Kirby, Puragra Guhathakurta, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2008, Issue: 24 Apr
- arXiv:0804.3590 [ps, pdf, other]
CS 22964−161: A Double‐Lined Carbon‐ and s‐Process–Enhanced Metal‐Poor Binary Star
- Virtual Journal - Volume 6, Issue 14 - article #23
- Ian B. Thompson, Inese I. Ivans, Sara Bisterzo, Christopher Sneden, Roberto Gallino, Sylvie Vauclair, Gregory S. Burley, Stephen A. Shectman, and George W. Preston
- The Astrophysical Journal - Volume: 677, Issue: 1
- Abstract-Full Text-PDF Version (1116 kB)
Europium, Samarium, and Neodymium Isotopic Fractions in Metal‐Poor Stars
- Virtual Journal - Volume 6, Issue 9 - article #4
- Ian U. Roederer, James E. Lawler, Christopher Sneden, John J. Cowan, Jennifer S. Sobeck, and Catherine A. Pilachowski
- The Astrophysical Journal - Volume: 675, Issue: 1
- Abstract-Full Text with Enhancements-PDF Version (834 kB)
The Hobby-Eberly Telescope "Chemical Abundances of Stars in the Halo" (CASH) Project. I. The Lithium-, s-, and r-Enhanced Metal-Poor Giant HKII 17435-00532
- Virtual Journal - Volume 6, Issue 9 - article #13
- Ian U. Roederer, Anna Frebel, Matthew D. Shetrone, Carlos Allende Prieto, Jaehyon Rhee, Roberto Gallino, Sara Bisterzo, Christopher Sneden, Timothy C. Beers, John J. Cowan
- arXiv.org - Astrophysics - Volume: 2008, Issue: 28 Feb
- arXiv:0802.3701 [ps, pdf, other]
CS22964-161: A Double-Lined Carbon- and s-Process-Enhanced Metal-Poor Binary Star
- Virtual Journal - Volume 5, Issue 52 - article #5
- Ian B. Thompson, Inese I. Ivans, Sara Bisterzo, Christopher Sneden, Roberto Gallino, Sylvie Vauclair, Gregory S. Burley, Stephen A. Shectman, George W. Preston
- arXiv.org - Astrophysics - Volume: 2007, Issue: 27 Dec
- arXiv:0712.3228 [ps, pdf, other]
CS22964-161: A Double-Lined Carbon- and s-Process-Enhanced Metal-Poor Binary Star
- Virtual Journal - Volume 5, Issue 51 - article #18
- Ian B. Thompson, Inese I. Ivans, Sara Bisterzo, Christopher Sneden, Roberto Gallino, Sylvie Vauclair, Gregory S. Burley, Stephen A. Shectman, George W. Preston
- arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
- arXiv:0712.3228 [ps, pdf, other]
Europium, Samarium, and Neodymium Isotopic Fractions in Metal-Poor Stars
- Virtual Journal - Volume 5, Issue 51 - article #22
- Ian U. Roederer, James E. Lawler, Christopher Sneden, John J. Cowan, Jennifer S. Sobeck, Catherine A. Pilachowski
- arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
- arXiv:0712.2473 [ps, pdf, other]
Improved Laboratory Transition Probabilities for Neutral Chromium and Re-determination of the Chromium Abundance for the Sun and Three Stars
- Virtual Journal - Volume 5, Issue 31 - article #15
- Jennifer S. Sobeck, James E. Lawler, Christopher Sneden
- ArXiv - Astrophysics
- arXiv:0707.4603 [ps, pdf, other]
Explorations of the r-Processes: Comparisons between Calculations and Observations of Low-Metallicity Stars
- Virtual Journal - Volume 5, Issue 23 - article #3
- Karl-Ludwig Kratz, Khalil Farouqi, Bernd Pfeiffer, James W. Truran, Christopher Sneden, and John J. Cowan
- The Astrophysical Journal - Volume662, Issue 1
- ABSTRACT, FULL TEXT, PDF (542 kB), PS
Explorations of the r-Processes: Comparisons between Calculations and Observations of Low-Metallicity Stars
- Virtual Journal - Volume 5, Issue 10 - article #1
- Karl-Ludwig Kratz, Khalil Farouqi, Bernd Pfeiffer, James W. Truran, Christopher Sneden, John J. Cowan
- ArXiv - Astrophysics
- astro-ph/0703091 [abs, ps, pdf, other]
TY GRUIS: A METAL-POOR CARBON AND NEUTRON-CAPTURE-RICH RR LYRAE STAR
- Virtual Journal - Volume 4, Issue 39 - article #17
- George W. Preston, Ian B. Thompson, Christopher Sneden, Greg Stachowski, and Stephen A. Shectman
- Astronomical Journal - Volume 132, Issue 4
- Abstract Full Text with Enhancements PDF (420 kB)
Accurate M Dwarf Metallicities from Spectral Synthesis: A Critical Test of Model Atmospheres
- Virtual Journal - Volume 4, Issue 32 - article #13
- Jacob L. Bean, Christopher Sneden, Peter H. Hauschildt, Christopher M. Johns-Krull, G. Fritz Benedict
- ArXiv - Astrophysics
- astro-ph/0608093 [abs, ps, pdf, other]
Near-Ultraviolet Observations of HD 221170: New Insights into the Nature of r-Process–rich Stars
- Virtual Journal - Volume 4, Issue 27 - article #5
- Inese I. Ivans, Jennifer Simmerer, Christopher Sneden, James E. Lawler, John J. Cowan, Roberto Gallino, and Sara Bisterzo
- The Astrophysical Journal - Volume645, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (761 kB), PS
ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15)
- Virtual Journal - Volume 4, Issue 26 - article #22
- George W. Preston, Christopher Sneden, Ian B. Thompson, Stephen A. Shectman, and Gregory S. Burley
- Astronomical Journal - Volume 132, Issue 1
- Abstract Full Text with Enhancements PDF (731 kB)
Nucleosynthesis: Stellar and Solar Abundances and Atomic Data
- Virtual Journal - Volume 4, Issue 19 - article #16
- John J. Cowan, James E. Lawler, Christopher Sneden, E. A. Den Hartog, Jason Collier
- ArXiv - Astrophysics
- astro-ph/0605137 [abs, ps, pdf, other]
Heavy element synthesis in the oldest stars and the early Universe
- Virtual Journal - Volume 4, Issue 17 - article #34
- John J. Cowan and Christopher Sneden
- Nature - Volume 440, Issue 7088
- Abstract, Full Text, PDF (543K)
Near-UV Observations of HD221170: New Insights into the Nature of r-Process-Rich Stars
- Virtual Journal - Volume 4, Issue 15 - article #13
- Inese I. Ivans, Jennifer Simmerer, Christopher Sneden, James E. Lawler, John J. Cowan, Roberto Gallino, Sara Bisterzo
- ArXiv - Astrophysics
- astro-ph/0604180 [abs, ps, pdf, other]
Hubble Space Telescope Observations of Heavy Elements in Metal-Poor Galactic Halo Stars
- Virtual Journal - Volume 3, Issue 26 - article #44
- John J. Cowan, Christopher Sneden, Timothy C. Beers, James E. Lawler, Jennifer Simmerer, James W. Truran, Francesca Primas, Jason Collier, and Scott Burles
- The Astrophysical Journal - Vol. 627, No. 1 – July 2005
- ABSTRACT , FULL TEXT , PDF (377 kB), PS
Near-Ultraviolet Observations of CS 29497-030: New Constraints on Neutron-Capture Nucleosynthesis Processes
- Virtual Journal - Volume 3, Issue 26 - article #59
- Inese I. Ivans, Christopher Sneden, Roberto Gallino, John J. Cowan, and George W. Preston
- The Astrophysical Journal Letters - Vol. 627, No. 2 –July 2005
- ABSTRACT , FULL TEXT , PDF (189 kB), PS
Near-UV Observations of CS29497-030: New Constraints on Neutron-Capture Nucleosynthesis Processes
- Virtual Journal - Volume 3, Issue 18 - article #15
- Inese I. Ivans (Caltech), Christopher Sneden (U Texas-Austin), Roberto Gallino (U Torino), John J. Cowan (U Oklahoma), George W. Preston (OCIW-Pasadena)
- arXiv – Astrophysics – May 2005
- astro-ph/0505002 [ abs , ps , pdf , other ]
HST Observations of Heavy Elements in Metal-Poor Galactic Halo Stars
- Virtual Journal - Volume 3, Issue 9 - article #15
- John J. Cowan, Christopher Sneden, Timothy C. Beers, James E. Lawler, Jennifer Simmerer, James W. Truran, Francesca Primas, Jason Collier, Scott Burles
- arXiv - Astrophysics – March 2005
- astro-ph/0502591 [ abs , ps , pdf , other ]
The Rise of the s -Process in the Galaxy
- Virtual Journal - Volume 2, Issue 51 - article #17
- Jennifer Simmerer, Christopher Sneden, John J. Cowan, Jason Collier, Vincent M. Woolf, and James E. Lawler
- Astrophysical Journal – Vol 617, No 2 – December 2004
- ABSTRACT , FULL TEXT WITH ENHANCEMENTS , PDF (583 kB), PS
ABUNDANCE VARIATIONS WITHIN GLOBULAR CLUSTERS
- Virtual Journal - Volume 2, Issue 48 - article #4
- Raffaele Gratton, Christopher Sneden, Eugenio Carretta
- Annual Review of Astronomy and Astrophysics, Vol. 42: 385-440 (Volume publication date Sep 2004)
- Abstract , Full Text , PDF (481 KB)
Neutron-Capture Element Abundances in Halo Stars
- Virtual Journal - Volume 2, Issue 38 - article #1
- John J. Cowan, Christopher Sneden
- arXiv - Astrophysics – October 2004
- astro-ph/0409552 [ abs , ps , pdf , other ]
Halo Star Abundances and Heavy Element Nucleosynthesis
- Virtual Journal - Volume 2, Issue 21 - article #23
- John J. Cowan, Christopher Sneden
- arXiv.org - Astrophysics – May 2004
- astro-ph/0405423 [ abs , ps , pdf , other ]
Galactic Evolution of Sr, Y, and Zr: A Multiplicity of Nucleosynthetic Processes
- Virtual Journal - Volume 2, Issue 5 - article #37
- Claudia Travaglio, Roberto Gallino, Enrico Arnone, John Cowan, Faith Jordan, and Christopher Sneden
- The Astrophysical Journal - Volume 601, Number 2, Part 1
- ABSTRACT , FULL TEXT , PDF (735kb), PS
The Chemical Composition Contrast between M3 and M13 Revisited: New Abundances for 28 Giant Stars in M3
- Virtual Journal - Volume 1, Issue 20 - article #21
- Christopher Sneden, Robert P. Kraft, Puragra Guhathakurta, Ruth C. Peterson, Jon P. Fulbright
- arXiv.org - Astrophysics - Mon, 24 Nov 2003 astro-ph/0311510
- [ abs , ps , pdf , other ]
Advances in r-Process Nucleosynthesis
- Virtual Journal - Volume 1, Issue 12 - article #18
- John J. Cowan, Christopher Sneden
- arXiv.org - Astrophysics - Wed, 1 Oct 2003
- astro-ph/0309802 [ abs , ps , pdf , other ]
Chemical Substructure in the Milky Way Halo: A New Population of Old Stars
- Virtual Journal - Volume 1, Issue 3 - article #5
- Inese I. Ivans, Christopher Sneden, C. RenÃƒÂ©e James, George W. Preston, Jon P. Fulbright, Peter A. HÃƒÂ¶flich, Bruce W. Carney, and J. Craig Wheeler
- The Astrophysical Journal, Volume 592, Number 2, Part 1
- ABSTRACT , FULL TEXT , PDF (644kb), PS
The Extremely Metal-poor, Neutron Capture rich Star CS 22892-052: A Comprehensive Abundance Analysis
- Virtual Journal - Volume 1, Issue 1 - article #39
- Christopher Sneden, John J. Cowan, James E. Lawler, Inese I. Ivans, Scott Burles, Timothy C. Beers, Francesca Primas, Vanessa Hill, James W. Truran, George M. Fuller, Bernd Pfeiffer, and Karl-Ludwig Kratz
- The Astrophysical Journal, Volume 591, Number 2, Part 1
- ABSTRACT , FULL TEXT , PDF (435kb), PS

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