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Results 1 - 61 of 61

Birth of the Galactic Disk Revealed by the H3 Survey
- Volume 19, Issue 30 - article #2
- Charlie Conroy, David H. Weinberg, Rohan P. Naidu, Tobias Buck, James W. Johnson, Phillip Cargile, Ana Bonaca, Nelson Caldwell, Vedant Chandra, Jiwon Jesse Han, Benjamin D. Johnson, Joshua S. Speagle, Yuan-Sen Ting, Turner Woody, Dennis Zaritsky
- https://arxiv.org/abs/2204.02989
Our Halo of Ice and Fire: Strong Kinematic Asymmetries in the Galactic Halo
- Volume 19, Issue 25 - article #4
- Jiwon Jesse Han, Charlie Conroy, Dennis Zaritsky, Ana Bonaca, Nelson Caldwell, Vedant Chandra, Yuan-Sen Ting
- https://arxiv.org/abs/2406.12969
Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy
- Volume 18, Issue 34 - article #6
- Ian U. Roederer, Andrew B. Pace, Vinicius M. Placco, Nelson Caldwell, Sergey E. Koposov, Mario Mateo, Edward W. Olszewski, Matthew G. Walker
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ace3c1
Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy. (arXiv:2307.02585v1 [astro-ph.GA])
- Volume 18, Issue 27 - article #1
- Ian U. Roederer, Andrew B. Pace, Vinicius M. Placco, Nelson Caldwell, Sergey E. Koposov, Mario Mateo, Edward W. Olszewski, Matthew G. Walker
- http://arxiv.org/abs/2307.02585
Discovery of the Magellanic Stellar Stream Out to 100 Kiloparsecs. (arXiv:2306.15719v1 [astro-ph.GA])
- Volume 18, Issue 26 - article #2
- Vedant Chandra, Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Phillip A. Cargile, Nelson Caldwell, Benjamin D. Johnson, Jiwon Jesse Han, Yuan-Sen Ting
- http://arxiv.org/abs/2306.15719
A Ghost in Boötes: The Least-Luminous Disrupted Dwarf Galaxy
- Volume 17, Issue 47 - article #8
- Vedant Chandra, Charlie Conroy, Nelson Caldwell, Ana Bonaca, Rohan P. Naidu, Dennis Zaritsky, Phillip A. Cargile, Jiwon Jesse Han, Benjamin D. Johnson, Joshua S. Speagle
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac9b4b
Milky Way's Eccentric Constituents with Gaia, APOGEE, and GALAH
- Volume 17, Issue 40 - article #14
- G. C. Myeong, Vasily Belokurov, David S. Aguado, N. Wyn Evans, Nelson Caldwell, James Bradley
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac8d68
A Ghost in Bo"otes: The Least Luminous Disrupted Dwarf Galaxy. (arXiv:2207.13717v1 [astro-ph.GA])
- Volume 17, Issue 30 - article #1
- Vedant Chandra, Charlie Conroy, Nelson Caldwell, Ana Bonaca, Rohan P. Naidu, Dennis Zaritsky, Phillip A. Cargile, Jiwon Jesse Han, Benjamin D. Johnson, Joshua S. Speagle, Yuan-Sen Ting, Turner Woody
- http://arxiv.org/abs/2207.13717
Milky Way's eccentric constituents with $Gaia$, APOGEE $&$ GALAH. (arXiv:2206.07744v1 [astro-ph.GA])
- Volume 17, Issue 24 - article #13
- G. C. Myeong (1), Vasily Belokurov (2, 3), David S. Aguado (4, 5), N. Wyn Evans (2), Nelson Caldwell (1), James Bradley (2) ((1) Harvard-Smithsonian Center for Astrophysics, (2) Institute of Astronomy, Cambridge University, (3) Center for Computational Astrophysics, Flatiron Institute, (4) Dipartimento di Fisica e Astrofisica, (5) INAF/Osservatorio Astrofisico di Arcetri)
- http://arxiv.org/abs/2206.07744
Live Fast, Die $alpha$-Enhanced: The Mass-Metallicity-$alpha$ Relation of the Milky Way's Disrupted Dwarf Galaxies. (arXiv:2204.09057v1 [astro-ph.GA])
- Volume 17, Issue 16 - article #5
- Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Yuan-Sen Ting, Nelson Caldwell, Phillip A. Cargile, Joshua S. Speagle, Vedant Chandra, Benjamin D. Johnson, Turner Woody, Jiwon Jesse Han
- http://arxiv.org/abs/2204.09057
A Tilt in the Dark Matter Halo of the Galaxy. (arXiv:2202.07662v1 [astro-ph.GA])
- Volume 17, Issue 7 - article #1
- Jiwon Jesse Han, Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Nelson Caldwell, Phillip Cargile, Benjamin D. Johnson, Vedant Chandra, Joshua S. Speagle, Yuan-Sen Ting, Turner Woody
- http://arxiv.org/abs/2202.07662
Resolved Dwarf Galaxy Searches within ∼5 Mpc with the Vera Rubin Observatory and Subaru Hyper Suprime-Cam
- Volume 16, Issue 38 - article #11
- BurÃ§in Mutlu-Pakdil, David J. Sand, Denija CrnojeviÄ, Alex Drlica-Wagner, Nelson Caldwell, Puragra Guhathakurta, Anil C. Seth, Joshua D. Simon, Jay Strader,, Elisa Toloba
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/918/2/88
Stellar kinematics of dwarf galaxies from multi-epoch spectroscopy: application to Triangulum II. (arXiv:2108.10867v1 [astro-ph.GA])
- Volume 16, Issue 35 - article #4
- Rachel Buttry, Andrew B. Pace, Sergey E. Koposov, Matthew G. Walker, Nelson Caldwell, Evan N. Kirby, Nicolas F. Martin, Mario Mateo, Edward W. Olszewski, Else Starkenburg, Carles Badenes, Christine Mazzola Daher
- http://arxiv.org/abs/2108.10867
Spectroscopic Confirmation of the Sixth Globular Cluster in the Fornax Dwarf Spheroidal Galaxy. (arXiv:2105.00064v1 [astro-ph.GA])
- Volume 16, Issue 19 - article #3
- Andrew B. Pace (CMU), Matthew G. Walker, Sergey E. Koposov, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, John I. Bailey III, Mei-Yu Wang
- http://arxiv.org/abs/2105.00064
Reconstructing the Last Major Merger of the Milky Way with the H3 Survey. (arXiv:2103.03251v1 [astro-ph.GA])
- Volume 16, Issue 11 - article #3
- Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Rainer Weinberger, Yuan-Sen Ting, Nelson Caldwell, Sandro Tacchella, Jiwon Jesse Han, Joshua S. Speagle
- http://arxiv.org/abs/2103.03251
Discovery of Magellanic Stellar Debris in the H3 Survey
- Volume 15, Issue 50 - article #12
- Dennis Zaritsky, Charlie Conroy, Rohan P. Naidu, Phillip A. Cargile, Mary Putman, Gurtina Besla, Ana Bonaca, Nelson Caldwell, Jiwon Jesse Han, Benjamin D. Johnson, Joshua S. Speagle,, Yuan-Sen Ting ä¸æºæ£®
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/905/1/L3
Ancient Very Metal-Poor Stars Associated With the Galactic Disk in the H3 Survey. (arXiv:2012.00036v1 [astro-ph.GA])
- Volume 15, Issue 49 - article #2
- Courtney Carter, Charlie Conroy, Dennis Zaritsky, Yuan-Sen Ting, Ana Bonaca, Rohan Naidu, Benjamin Johnson, Phillip Cargile, Nelson Caldwell, Josh Speagle, Jiwon Jesse Han
- http://arxiv.org/abs/2012.00036
Evidence from the H3 Survey That the Stellar Halo Is Entirely Comprised of Substructure
- Volume 15, Issue 39 - article #20
- Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Benjamin D. Johnson, Yuan-Sen Ting, Nelson Caldwell, Dennis Zaritsky,, Phillip A. Cargile
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/901/1/48
Timing the Early Assembly of the Milky Way with the H3 Survey
- Volume 15, Issue 27 - article #12
- Ana Bonaca, Charlie Conroy, Phillip A. Cargile, Rohan P. Naidu, Benjamin D. Johnson, Dennis Zaritsky, Yuan-Sen Ting, Nelson Caldwell, Jiwon Jesse Han,, Pieter van Dokkum
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/897/1/L18
Timing the Early Assembly of the Milky Way with the H3 Survey. (arXiv:2004.11384v1 [astro-ph.GA])
- Volume 15, Issue 18 - article #8
- Ana Bonaca, Charlie Conroy, Phillip A. Cargile, Rohan P. Naidu, Benjamin D. Johnson, Dennis Zaritsky, Yuan-Sen Ting, Nelson Caldwell, Jiwon Jesse Han, Pieter van Dokkum
- http://arxiv.org/abs/2004.11384
High-resolution Spectroscopy of the GD-1 Stellar Stream Localizes the Perturber near the Orbital Plane of Sagittarius
- Volume 15, Issue 15 - article #8
- Ana Bonaca, Charlie Conroy, David W. Hogg, Phillip A. Cargile, Nelson Caldwell, Rohan P. Naidu, Adrian M. Price-Whelan, Joshua S. Speagle,, Benjamin D. Johnson
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/892/2/L37
High-resolution spectroscopy of the GD-1 stellar stream localizes the perturber near the orbital plane of Sagittarius. (arXiv:2001.07215v1 [astro-ph.GA])
- Volume 15, Issue 4 - article #4
- Ana Bonaca, Charlie Conroy, David W. Hogg, Phillip A. Cargile, Nelson Caldwell, Rohan P. Naidu, Adrian M. Price-Whelan, Joshua S. Speagle, Benjamin D. Johnson
- http://arxiv.org/abs/2001.07215
A Lower Limit on the Mass of Our Galaxy from the H3 Survey
- Volume 15, Issue 3 - article #17
- Dennis Zaritsky, Charlie Conroy, Huanian Zhang, Rohan P. Naidu, Ana Bonaca, Nelson Caldwell, Phillip A. Cargile,, Benjamin D. Johnson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/888/2/114
Resolving the Metallicity Distribution of the Stellar Halo with the H3 Survey
- Volume 14, Issue 52 - article #3
- Charlie Conroy, Rohan P. Naidu, Dennis Zaritsky, Ana Bonaca, Phillip Cargile, Benjamin D. Johnson,, Nelson Caldwell
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/887/2/237
Resolving the Metallicity Distribution of the Stellar Halo with the H3 Survey. (arXiv:1909.02007v1 [astro-ph.GA])
- Volume 14, Issue 36 - article #8
- Charlie Conroy, Rohan P. Naidu, Dennis Zaritsky, Ana Bonaca, Phillip Cargile, Benjamin D. Johnson, Nelson Caldwell
- http://arxiv.org/abs/1909.02007
Mapping the Stellar Halo with the H3 Spectroscopic Survey. (arXiv:1907.07684v1 [astro-ph.GA])
- Volume 14, Issue 29 - article #5
- Charlie Conroy, Ana Bonaca, Phillip Cargile, Benjamin D. Johnson, Nelson Caldwell, Rohan P. Naidu, Dennis Zaritsky, Daniel Fabricant, Sean Moran, Jaehyon Rhee, Andrew Szentgyorgyi
- http://arxiv.org/abs/1907.07684
Signatures of Tidal Disruption in Ultra-Faint Dwarf Galaxies: A Combined HST, Gaia, and MMT/Hectochelle Study of Leo V. (arXiv:1907.07233v1 [astro-ph.GA])
- Volume 14, Issue 29 - article #8
- Burçin Mutlu-Pakdil, David J. Sand, Matthew G. Walker, Nelson Caldwell, Jeffrey L. Carlin, Michelle L. Collins, Denija Crnojević, Mario Mateo, Edward W. Olszewski, Anil C. Seth, Jay Strader, Beth Willman, Dennis Zaritsky
- http://arxiv.org/abs/1907.07233
A Deeper Look at the New Milky Way Satellites: Sagittarius II, Reticulum II, Phoenix II, and Tucana III
- Volume 13, Issue 32 - article #14
- BurÃ§in Mutlu-Pakdil, David J. Sand, Jeffrey L. Carlin, Kristine Spekkens, Nelson Caldwell, Denija CrnojeviÄ, Allison K. Hughes, Beth Willman,, Dennis Zaritsky
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/863/1/25
A Deeper Look at the New Milky Way Satellites: Sagittarius II, Reticulum II, Phoenix II, and Tucana III. (arXiv:1804.08627v1 [astro-ph.GA])
- Volume 13, Issue 17 - article #2
- Burçin Mutlu-Pakdil, David J. Sand, Jeffrey L. Carlin, Kristine Spekkens, Nelson Caldwell, Denija Crnojević, Allison K. Hughes, Beth Willman, Dennis Zaritsky
- http://arxiv.org/abs/1804.08627
Exploring the Chemical Composition and Double Horizontal Branch of the Bulge Globular Cluster NGC 6569. (arXiv:1801.10475v1 [astro-ph.SR])
- Volume 13, Issue 5 - article #3
- Christian I. Johnson, R. Michael Rich, Nelson Caldwell, Mario Mateo, John I. Bailey III, Edward W. Olszewski, Matthew G. Walker
- http://arxiv.org/abs/1801.10475
Exploring the Chemical Composition and Double Horizontal Branch of the Bulge Globular Cluster NGC 6569
- Volume 13, Issue 3 - article #8
- Christian I. Johnson, R. Michael Rich, Nelson Caldwell, Mario Mateo, John I. Bailey III, Edward W. Olszewski,, Matthew G. Walker
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/155/2/71
Light and Heavy Element Abundance Variations in the Outer Halo Globular Cluster NGC 6229
- Volume 12, Issue 38 - article #11
- Christian I. Johnson, Nelson Caldwell, R. Michael Rich,, Matthew G. Walker
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/4/155
Light and Heavy Element Abundance Variations in the Outer Halo Globular Cluster NGC 6229. (arXiv:1709.00048v1 [astro-ph.SR])
- Volume 12, Issue 36 - article #3
- Christian I. Johnson, Nelson Caldwell, R. Michael Rich, Matthew G. Walker
- http://arxiv.org/abs/1709.00048
Chemical Complexity in the Eu-enhanced Monometallic Globular Cluster NGC 5986. (arXiv:1705.10840v1 [astro-ph.SR])
- Volume 12, Issue 22 - article #1
- Christian I. Johnson, Nelson Caldwell, R. Michael Rich, Mario Mateo, John I. Bailey III, Edward W. Olszewski, Matthew G. Walker
- http://arxiv.org/abs/1705.10840
Crater 2: An Extremely Cold Dark Matter Halo
- Volume 12, Issue 15 - article #6
- Nelson Caldwell, Matthew G. Walker, Mario Mateo, Edward W. Olszewski, Sergey Koposov, Vasily Belokurov, Gabriel Torrealba, Alex Geringer-Sameth,, Christian I. Johnson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/839/1/20
A Chemical Composition Survey of the Iron-Complex Globular Cluster NGC 6273 (M 19). (arXiv:1611.05830v1 [astro-ph.SR])
- Volume 11, Issue 47 - article #1
- Christian I. Johnson, Nelson Caldwell, R. Michael Rich, Mario Mateo, John I. Bailey, William I. Clarkson, Edward W. Olszewski, Matthew G. Walker
- http://arxiv.org/abs/1611.05830
The Chemical Composition of Red Giant Branch Stars in the Galactic Globular Clusters NGC 6342 and NGC 6366. (arXiv:1606.08491v1 [astro-ph.SR])
- Volume 11, Issue 27 - article #9
- Christian I. Johnson, Nelson Caldwell, R. Michael Rich, Catherine A. Pilachowski, Tiffany Hsyu
- http://arxiv.org/abs/1606.08491
The Chemical Composition of Red Giant Branch Stars in the Galactic Globular Clusters NGC 6342 and NGC 6366
- Volume 11, Issue 27 - article #12
- Christian I. Johnson, Nelson Caldwell, R. Michael Rich, Catherine A. Pilachowski,, Tiffany Hsyu
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/152/1/21
Evidence That Hydra I is a Tidally Disrupting Milky Way Dwarf Galaxy
- Volume 11, Issue 9 - article #10
- Jonathan R. Hargis, Brian Kimmig, Beth Willman, Nelson Caldwell, Matthew G. Walker, Jay Strader, David J. Sand, Carl J. Grillmair, and Joo Heon Yoon
- The Astrophysical Journal - Volume: 818, Issue: 1
- View article PDF (18.66 MB)
The Most Distant Stars in the Milky Way
- Volume 9, Issue 21 - article #98
- John J. Bochanski, Beth Willman, Nelson Caldwell, Robyn Sanderson, Andrew A. West, Jay Strader, and Warren Brown
- The Astrophysical Journal Letters - Volume: 790, Issue: 1
- View article PDF (487 KB)
The Most Distant Stars in the Milky Way
- Volume 9, Issue 20 - article #14
- John J. Bochanski, Beth Willman, Nelson Caldwell, Robyn Sanderson, Andrew A. West, Jay Strader, Warren Brown
- arXiv.org - Astrophysics - Volume: 2014, Issue: 11 Jul
- arXiv:1407.2610 [pdf, ps, other]
The Panchromatic Hubble Andromeda Treasury. V. Ages and Masses of the Year 1 Stellar Clusters
- Volume 9, Issue 18 - article #15
- Morgan Fouesneau, L. Clifton Johnson, Daniel R. Weisz, Julianne J. Dalcanton, Eric F. Bell, Luciana Bianchi, Nelson Caldwell, Dimitrios A. Gouliermis, Puragra Guhathakurta, Jason Kalirai, SÃ¸ren S. Larsen, Hans-Walter Rix, Anil C. Seth, Evan D. Skillman, and Benjamin F. Williams
- The Astrophysical Journal - Volume: 786, Issue: 2
- View article PDF (4.49 MB)
Star Clusters in M31. V. Evidence for Self-Enrichment in Old M31 Clusters from Integrated Spectroscopy
- Volume 8, Issue 36 - article #11
- Ricardo P. Schiavon, Nelson Caldwell, Charlie Conroy, Genevieve J. Graves, Jay Strader, Lauren A. MacArthur, Stephane Courteau, Paul Harding
- arXiv.org - Astrophysics - Volume: 2013, Issue: 6 Sep
- arXiv:1308.6590 [pdf, ps, other]
Nonlinear Color-Metallicity Relations of Globular Clusters. V. Nonlinear Absorption-line Index versus Metallicity Relations and Bimodal Index Distributions of M31 Globular Clusters
- Volume 8, Issue 13 - article #13
- Sooyoung Kim (1), Suk-Jin Yoon (1), Chul Chung (1), Nelson Caldwell (2), Ricardo P. Schiavon (3), Yongbeom Kang (4) Soo-Chang Rey (4), Young-Wook Lee (1) ((1) Yonsei University (2) Center for Astrophysics (3) Gemini Observatory (4) Department of Astronomy and Space Science, Chungnam University)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 29 Mar
- arXiv:1303.6293 [pdf, ps, other]
The Panchromatic Hubble Andromeda Treasury. III. Measuring Ages and Masses of Partially Resolved Stellar Clusters
- Volume 7, Issue 48 - article #12
- Lori C. Beerman, L. Clifton Johnson, Morgan Fouesneau, Julianne J. Dalcanton, Daniel R. Weisz, Anil C. Seth, Ben F. Williams, Eric F. Bell, Luciana C. Bianchi, Nelson Caldwell, Andrew E. Dolphin, Dimitrios A. Gouliermis, Jason S. Kalirai, SÃ¸ren S. Larsen, Jason L. Melbourne, Hans-Walter Rix, and Evan D. Skillman
- The Astrophysical Journal - Volume: 760, Issue: 2
- Abstract References Full text PDF (3.58 MB) View as HTML
The Metallicity Profile of M31 from Spectroscopy of Hundreds of H II Regions and PNe
- Volume 7, Issue 42 - article #22
- Nathan E. Sanders, Nelson Caldwell, Jonathan McDowell, and Paul Harding
- The Astrophysical Journal - Volume: 758, Issue: 2
- Abstract References Full text PDF (1.65 MB) HTML with Enhancements
The metallicity profile of M31 from spectroscopy of hundreds of HII regions and PNe
- Volume 7, Issue 37 - article #20
- Nathan Sanders, Nelson Caldwell, Jonathan McDowell (CfA), Paul Harding (Case)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 14 Sep
- arXiv:1209.2251 [pdf, ps, other]
Tidal Signatures in the Faintest Milky Way Satellites: The Detailed Properties of Leo V, Pisces II, and Canes Venatici II
- Volume 7, Issue 35 - article #24
- David J. Sand, Jay Strader, Beth Willman, Dennis Zaritsky, Brian McLeod, Nelson Caldwell, Anil Seth, and Edward Olszewski
- The Astrophysical Journal - Volume: 756, Issue: 1
- Abstract References Full text PDF (1.37 MB) HTML with Enhancements
The Panchromatic Hubble Andromeda Treasury I: Bright UV Stars in the Bulge of M31
- Volume 7, Issue 25 - article #22
- Philip Rosenfield (1), L. Clifton Johnson (1), Léo Girardi (2), Julianne J. Dalcanton (1), Alessandro Bressan (16), Dustin Lang (3), Benjamin F. Williams (1), Puragra Guhathakurta (5), Kirsten M. Howley (15), Tod R. Lauer (9), Eric F. Bell (14), Luciana Bianchi (12) Nelson Caldwell (7), Andrew Dolphin (6), Claire E. Dorman (5), Karoline M. Gilbert (1,13), Jason Kalirai (11), Søren S. Larsen (17), Knut A.G. Olsen (9), Hans-Walter Rix (10), Anil C. Seth (4), Evan D. Skillman (8), Daniel R. Weisz (1) ((1) Department of Astronomy, University of Washington, (2) Osservatorio Astronomico di Padova -- INAF, Italy, (3) Department of Astrophysical Sciences, Princeton University, (4) Department of Physics and Astronomy, University of Utah, (5) University of California Observatories/Lick Observatory, (6) Raytheon Company, (7) Harvard-Smithsonian Center for Astrophysics, (8) Minnesota Institute for Astrophysics, University of Minnesota, (9) National Optical Astronomy Observatory, (10) Max Planck Institute for Astronomy, Heidelberg, (11) Space Telescope Science Institute, (12) Department of Physics and Astronomy, Johns Hopkins University, (13) Hubble Fellow, (14) Department of Astronomy, University of Michigan, (15) Lawrence Livermore National Laboratory, (16) SISSA, Italy, (17) Department of Astrophysics, Radboud University, The Netherlands)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 22 Jun
- arXiv:1206.4045 [pdf, other]
PHAT Stellar Cluster Survey. I. Year 1 Catalog and Integrated Photometry
- Volume 7, Issue 23 - article #22
- L. Clifton Johnson, Anil C. Seth, Julianne J. Dalcanton, Nelson Caldwell, Morgan Fouesneau, Dimitrios A. Gouliermis, Paul W. Hodge, SÃ¸ren S. Larsen, Knut A. G. Olsen, Izaskun San Roman, Ata Sarajedini, Daniel R. Weisz, Benjamin F. Williams, Lori C. Beerman, Luciana Bianchi, Andrew E. Dolphin, LÃ©o Girardi, Puragra Guhathakurta, Jason Kalirai, Dustin Lang, Antonela Monachesi, Sanjay Nanda, Hans-Walter Rix, and Evan D. Skillman
- The Astrophysical Journal - Volume: 752, Issue: 2
- Abstract References Full text PDF (3.73 MB) HTML with Enhancements
PHAT Stellar Cluster Survey I. Year 1 Catalog and Integrated Photometry
- Volume 7, Issue 16 - article #11
- L. Clifton Johnson, Anil C. Seth, Julianne J. Dalcanton, Nelson Caldwell, Morgan Fouesneau, Dimitrios A. Gouliermis, Paul W. Hodge, Soeren S. Larsen, Knut A. G. Olsen, Izaskun San Roman, Ata Sarajedini, Daniel R. Weisz, Benjamin F. Williams, Lori C. Beerman, Luciana Bianchi, Andrew E. Dolphin, Leo Girardi, Puragra Guhathakurta, Jason Kalirai, Dustin Lang, Antonela Monachesi, Sanjay Nanda, Hans-Walter Rix, Evan D. Skillman
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Apr
- arXiv:1204.3091 [pdf, other]
Star Clusters in M31. IV. A Comparative Analysis of Absorption Line Indices in Old M31 and Milky Way Clusters
- Volume 7, Issue 4 - article #21
- Ricardo P. Schiavon, Nelson Caldwell, Heather Morrison, Paul Harding, StÃ©phane Courteau, Lauren A. MacArthur and Genevieve J. Graves
- Astronomical Journal - Volume: 143, Issue: 1
- doi:10.1088/0004-6256/143/1/14 Tag this article
Star Clusters in M 31. IV. A Comparative Analysis of Absorption Line Indices in Old M 31 and Milky Way Clusters
- Volume 6, Issue 50 - article #8
- Ricardo P. Schiavon, Nelson Caldwell, Heather Morrison, Paul Harding, Stephane Courteau, Lauren A. MacArthur, Genevieve J. Graves
- arXiv.org - Astrophysics - Volume: 2011, Issue: 16 Dec
- arXiv:1112.2737 [pdf, ps, other]
Stellar Clusters in M31 from PHAT: Survey Overview and First Results
- Volume 6, Issue 28 - article #13
- L. Clifton Johnson (1), Anil C. Seth (2), Julianne J. Dalcanton (1), Nelson Caldwell (2), Dimitrios A. Gouliermis (3), Paul W. Hodge (1), Soeren S. Larsen (4), Knut A. G. Olsen (5), Izaskun San Roman (6), Ata Sarajedini (6), Daniel R. Weisz (1), the PHAT Collaboration ((1) University of Washington, (2) Harvard-Smithsonian CfA, (3) MPIA, (4) University of Utrecht, (5) NOAO, (6) University of Florida)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 15 Jul
- arXiv:1107.2668 [pdf, other]
Star Clusters in M31: V. Internal Dynamical Trends: Some Troublesome, Some Reassuring
- Volume 6, Issue 17 - article #12
- Jay Strader, Nelson Caldwell, Anil Seth (Harvard-Smithsonian Center for Astrophysics)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 29 Apr
- arXiv:1104.4649 [pdf, ps, other]
Star Clusters in M31. II. Old Cluster Metallicities and Ages from Hectospec Data
- Volume 6, Issue 4 - article #19
- Nelson Caldwell, Ricardo Schiavon, Heather Morrison, James A. Rose and Paul Harding
- Astronomical Journal - Volume: 141, Issue: 2
- doi: 10.1088/0004-6256/141/2/61 Tag this article
Star Clusters in M31: II. Old Cluster Metallicities and Ages from Hectospec Data
- Volume 6, Issue 3 - article #9
- Nelson Caldwell (CfA), Ricardo Schiavon (Gemini), Heather Morrison (Case), James A. Rose (UNC), Paul Harding (Case)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 21 Jan
- arXiv:1101.3779 [pdf, ps, other]
Star Clusters in M31: Old Clusters with Bar Kinematics
- Volume 5, Issue 51 - article #25
- Heather Morrison, Nelson Caldwell, Ricardo P. Schiavon, E. Athanassoula, Aaron J. Romanowsky and Paul Harding
- The Astrophysical Journal Letters - Volume: 726, Issue: 1
- Abstract References Full text PDF (352 KB) View as HTML
A Star in the M31 Giant Stream: The Highest Negative Stellar Velocity Known
- Volume 5, Issue 3 - article #16
- <em >Nelson Caldwell, Heather Morrison, Scott J. Kenyon, Ricardo Schiavon, Paul Harding, and James A. Rose</em&gt,
- Astronomical Journal - Volume: 139, Issue: 2
- Abstract | References
Spectrophotometry with Hectospec, the MMT's Fiber-Fed Spectrograph
- Volume 3, Issue 37 - article #7
- Daniel G. Fabricant, Michael J. Kurtz, Margaret J. Geller, Nelson Caldwell, Deborah Woods
- arXiv.org - Astrophysics - Volume: 2008, Issue: 11 Sep
- arXiv:0809.1087 [ps, pdf, other]
Color-Magnitude Diagrams of Resolved Stars in Virgo Cluster Dwarf Galaxies
- Volume 1, Issue 25 - article #7
- Nelson Caldwell (Smithsonian Astrophysical Observatory)
- ArXiv - Astrophysics
- astro-ph/0607476 [abs, ps, pdf, other]

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