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Results 1 - 29 of 29

Vanadium Abundance Derivations in 255 Metal-poor Stars
- Volume 15, Issue 37 - article #16
- 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
Detection of a Population of Carbon-enhanced Metal-poor Stars in the Sculptor Dwarf Spheroidal Galaxy
- Volume 13, Issue 14 - article #19
- Anirudh Chiti, Joshua D. Simon, Anna Frebel, Ian B. Thompson, Stephen A. Shectman, Mario Mateo, John I. Bailey III, Jeffrey D. Crane,, Matthew Walker
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/856/2/142
Detection of a population of carbon-enhanced metal-poor stars in the Sculptor dwarf spheroidal galaxy. (arXiv:1803.04538v1 [astro-ph.GA])
- Volume 13, Issue 11 - article #1
- Anirudh Chiti, Joshua D. Simon, Anna Frebel, Ian B. Thompson, Stephen A. Shectman, Mario Mateo, John I. Bailey III, Jeffrey D. Crane, Matthew Walker
- http://arxiv.org/abs/1803.04538
Metal-rich RRc Stars in the Carnegie RR Lyrae Survey
- Volume 13, Issue 1 - article #4
- Christopher Sneden, George W. Preston, Juna A. Kollmeier, Jeffrey D. Crane, Nidia Morrell, JosÃ© L. Prieto, Stephen A. Shectman, Dorota M. Skowron,, Ian B. Thompson
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/155/1/45
Metal-Rich RRc stars in the Carnegie RR Lyrae Survey. (arXiv:1712.00159v1 [astro-ph.SR])
- Volume 12, Issue 49 - article #4
- Christopher Sneden, George W.Preston, Juna A. Kollmeier, Jeffrey D. Crane, Nidia Morrell, Jose L. Prieto, Stephen A. Shectman, Dorota M. Skowron, Ian B. Thompson
- http://arxiv.org/abs/1712.00159
Detailed Chemical Abundances in the r-Process-Rich Ultra-Faint Dwarf Galaxy Reticulum 2
- Volume 11, Issue 4 - article #2
- Ian U. Roederer (U. Michigan, JINA-CEE), Mario Mateo (U. Michigan), John I. Bailey III (U. Michigan), Yingyi Song (U. Michigan), Eric F. Bell (U. Michigan), Jeffrey D. Crane (Carnegie Observatories), Sarah Loebman (U. Michigan), David L. Nidever (LSST, Steward Observatory), Edward W. Olszewski (Steward Observatory), Stephen A. Shectman (Carnegie Observatories), Ian B. Thompson (Carnegie Observatories), Monica Valluri (U. Michigan), Matthew G. Walker (Carnegie Mellon U.)
- arXiv.org - Astrophysics - Volume: 2016, Issue: 22 Jan
- arXiv:1601.04070 [pdf, other]
Detailed chemical abundances in NGC 5824: another metal-poor globular cluster with internal heavy element abundance variations
- Volume 10, Issue 45 - article #10
- Ian U. Roederer, Mario Mateo, John I. Bailey III, Meghin Spencer, Jeffrey D. Crane, and Stephen A. Shectman
- Monthly Notices of the Royal Astronomical Society - Volume: 455, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Detailed Chemical Abundances in NGC 5824: Another Metal-Poor Globular Cluster with Internal Heavy Element Abundance Variations
- Volume 10, Issue 39 - article #6
- Ian U. Roederer, Mario Mateo, John I. Bailey III, Meghin Spencer (University of Michigan), Jeffrey D. Crane, Stephen A. Shectman (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Oct
- arXiv:1510.06414 [pdf, ps, other]
Chemical Signatures of the First Supernovae in the Sculptor Dwarf Spheroidal Galaxy
- Volume 10, Issue 13 - article #21
- Joshua D. Simon, Heather R. Jacobson, Anna Frebel, Ian B. Thompson, Joshua J. Adams, and Stephen A. Shectman
- The Astrophysical Journal - Volume: 802, Issue: 2
- View article PDF (368 KB)
AGB Sodium Abundances in the Globular Cluster 47 Tucanae (NGC 104)
- Volume 10, Issue 5 - article #12
- Christian I. Johnson, Iain McDonald, Catherine A. Pilachowski, Mario Mateo, John I. Bailey III, Maria J. Cordero, Albert A. Zijlstra, Jeffrey D. Crane, Edward Olszewski, Stephen A. Shectman, and Ian Thompson
- Astronomical Journal - Volume: 149, Issue: 2
- View article PDF (1.43 MB)
AGB Sodium Abundances in the Globular Cluster 47 Tucanae (NGC 104)
- Volume 9, Issue 25 - article #15
- Christian I. Johnson, Iain McDonald, Catherine A. Pilachowski, Mario Mateo, John I. Bailey III, Maria J. Cordero, Albert A. Zijlstra, Jeffrey D. Crane, Edward Olszewski, Stephen A. Shectman, Ian Thompson
- arXiv.org - Astrophysics - Volume: 2014, Issue: 19 Dec
- arXiv:1412.4108 [pdf, ps, other]
Chemical Signatures of the First Supernovae in the Sculptor Dwarf Spheroidal Galaxy
- Volume 9, Issue 25 - article #17
- Joshua D. Simon (Carnegie Observatories), Heather R. Jacobson, Anna Frebel (MIT), Ian B. Thompson (Carnegie Observatories), Joshua J. Adams (ASML), Stephen A. Shectman (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 19 Dec
- arXiv:1412.5176 [pdf, ps, other]
Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement
- Volume 9, Issue 24 - article #53
- 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)
Nine New Metal-Poor Stars on the Subgiant and Red Horizontal Branches with High Levels of r-process Enhancement
- Volume 9, Issue 22 - article #34
- Ian U. Roederer (U. Michigan), John J. Cowan (U. Oklahoma), George W. Preston, Stephen A. Shectman (Carnegie Observatories), Chris Sneden (U. Texas), Ian B. Thompson (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 26 Sep
- arXiv:1409.5810 [pdf, ps, other]
A Search for Stars of Very Low Metal Abundance. VI. Detailed Abundances of 313 Metal-poor Stars
- Volume 9, Issue 20 - article #143
- 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
- Volume 9, Issue 17 - article #24
- 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
- Volume 9, 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]
Neutron-Capture Nucleosynthesis in the First Stars
- Volume 9, Issue 8 - article #5
- Ian U. Roederer (University of Michigan), George W. Preston, Ian B. Thompson, Stephen A. Shectman (Carnegie Observatories), Chris Sneden (University of Texas)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 21 Feb
- arXiv:1402.4144 [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
- Volume 6, Issue 23 - article #18
- 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
Characterizing the Chemistry of the Milky Way Stellar Halo: Detailed Chemical Analysis of a Metal-poor Stellar Stream
- Volume 5, Issue 9 - article #27
- <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
- Volume 5, Issue 3 - article #4
- 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]
Mapping the Galactic Halo. VIII. Quantifying Substructure
- Volume 4, Issue 22 - article #29
- <em >Else Starkenburg, Amina Helmi, Heather L. Morrison, Paul Harding, Hugo van Woerden, Mario Mateo, Edward W. Olszewski, Thirupathi Sivarani, John E. Norris, Kenneth C. Freeman, Stephen A. Shectman, R. C. Dohm-Palmer, Lucy Frey, and Dan Oravetz</em&gt,
- The Astrophysical Journal - Volume: 698, Issue: 1
- Abstract | References
Mapping the Galactic Halo VIII: Quantifying substructure
- Volume 4, Issue 12 - article #13
- Else Starkenburg, Amina Helmi, Heather L. Morrison, Paul Harding, Hugo van Woerden, Mario Mateo, Edward W. Olszewski, Thirupathi Sivarani, John E. Norris, Kenneth C. Freeman, Stephen A. Shectman, R.C. Dohm-Palmer, Lucy Frey, Dan Oravetz
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Mar
- arXiv:0903.3043 [ps, pdf, other]
The MagE Spectrograph
- Volume 3, Issue 30 - article #9
- J. L. Marshall (1), Scott Burles (2), Ian B. Thompson (1), Stephen A. Shectman (1), Bruce C. Bigelow (3), Gregory Burley (1), Christoph Birk (1), Jorge Estrada (1), Patricio Jones (4), Matthew Smith (2), Vince Kowal (1), Jerson Castillo (1), Robert Storts (1), Greg Ortiz (1) ((1) Carnegie Observatories, (2) MIT, (3) UCO Lick, (4)Las Campanas Observatory)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 24 Jul
- arXiv:0807.3774 [pdf]
CS 22964−161: A Double‐Lined Carbon‐ and s‐Process–Enhanced Metal‐Poor Binary Star
- Volume 3, Issue 14 - article #24
- 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)
CS22964-161: A Double-Lined Carbon- and s-Process-Enhanced Metal-Poor Binary Star
- Volume 2, Issue 52 - article #12
- 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
- Volume 2, Issue 51 - article #13
- 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]
TY GRUIS: A METAL-POOR CARBON AND NEUTRON-CAPTURE-RICH RR LYRAE STAR
- Volume 1, Issue 35 - article #21
- 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)
ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15)
- Volume 1, Issue 22 - article #19
- 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)

Results 1 - 29 of 29

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