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Stephanie A. Snedden
Researcher at Apache Corporation
Publications - 156
Citations - 55863
Stephanie A. Snedden is an academic researcher from Apache Corporation. The author has contributed to research in topics: Galaxy & Redshift. The author has an hindex of 86, co-authored 156 publications receiving 52683 citations. Previous affiliations of Stephanie A. Snedden include University of Nebraska–Lincoln & Apollo Global Management.
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Journal ArticleDOI
A New Giant Stellar Structure in the Outer Halo of M31
Daniel B. Zucker,Alexei Y. Kniazev,Eric F. Bell,David Martínez-Delgado,Eva K. Grebel,Eva K. Grebel,Hans-Walter Rix,Constance M. Rockosi,Jon A. Holtzman,Rene A. M. Walterbos,Željko Ivezić,J. Brinkmann,Howard Brewington,Michael Harvanek,S. J. Kleinman,Jurek Krzesinski,D. Q. Lamb,Dan Long,Peter R. Newman,Atsuko Nitta,Stephanie A. Snedden +20 more
TL;DR: The Sloan Digital Sky Survey has revealed an overdensity of luminous red giant stars ~3° (40 projected kpc) to the northeast of M31, which we have called Andromeda NE as mentioned in this paper.
Journal ArticleDOI
The Apache Point Observatory Galactic Evolution Experiment: First Detection of High Velocity Milky Way Bar Stars
David L. Nidever,Gail Zasowski,Steven R. Majewski,Jonathan C. Bird,Annie C. Robin,Inma Martinez-Valpuesta,Rachael L. Beaton,Ralph Schoenrich,Mathias Schultheis,John C. Wilson,Michael F. Skrutskie,Robert W. O'Connell,Matthew Shetrone,Ricardo P. Schiavon,Jennifer A. Johnson,Benjamin J. Weiner,Ortwin Gerhard,Donald P. Schneider,Carlos Allende Prieto,Kris Sellgren,Dmitry Bizyaev,Howard Brewington,Jon Brinkmann,Daniel J. Eisenstein,Peter M. Frinchaboy,Ana G. Pérez,Jon A. Holtzman,Fred R. Hearty,Elena Malanushenko,Viktor Malanushenko,Demitri Muna,Daniel Oravetz,Kaike Pan,Audrey Simmons,Stephanie A. Snedden,Benjamin A. Weaver +35 more
TL;DR: In this paper, the Apache Point Observatory Galactic Evolution Experiment (APOGEE), part of the Sloan Digital Sky Survey III, has produced radial velocities (RVs) for ~4700 K/M-giant stars in the Milky Way bulge.
Journal ArticleDOI
First-year spectroscopy for the Sloan Digital Sky Survey-II supernova survey
Chen Zheng,Roger W. Romani,Masao Sako,John Marriner,Bruce A. Bassett,Andrew C. Becker,Changsu Choi,D. Cinabro,F. DeJongh,Darren L. DePoy,Benjamin Dilday,Mamoru Doi,Joshua A. Frieman,Joshua A. Frieman,Peter M. Garnavich,Craig J. Hogan,Jon A. Holtzman,Myungshin Im,Saurabh Jha,Richard Kessler,Kohki Konishi,Hubert Lampeitl,Jennifer L. Marshall,D. McGinnis,G. Miknaitis,Robert C. Nichol,J. L. Prieto,Adam G. Riess,Adam G. Riess,Michael Richmond,Donald P. Schneider,Mathew Smith,Naohiro Takanashi,Kouichi Tokita,Kurt van der Heyden,Naoki Yasuda,Roberto J. Assef,John C. Barentine,John C. Barentine,Ralf Bender,Roger Blandford,Malcolm N. Bremer,Howard Brewington,Chris A. Collins,Arlin P. S. Crotts,Jack Dembicky,Jason D. Eastman,Alastair C. Edge,Edward C. Elson,Michael E. Eyler,Alexei V. Filippenko,Ryan J. Foley,Stephan Frank,Ariel Goobar,Michael Harvanek,Michael Harvanek,Ulrich Hopp,Yutaka Ihara,Steven M. Kahn,William Ketzeback,S. J. Kleinman,S. J. Kleinman,Wolfram Kollatschny,Jurek Krzesinski,Jurek Krzesinski,Giorgos Leloudas,Dan Long,John R. Lucey,Elena Malanushenko,Viktor Malanushenko,R. J. McMillan,Christopher W. Morgan,Christopher W. Morgan,Tomoki Morokuma,Tomoki Morokuma,Atsuko Nitta,Linda Ostman,Kaike Pan,A. Kathy Romer,G. Saurage,Katharine J. Schlesinger,Stephanie A. Snedden,Jesper Sollerman,Jesper Sollerman,Maximilian Stritzinger,Linda C. Watson,Shannon Watters,J. Craig Wheeler,Donald G. York +88 more
TL;DR: In this article, the authors presented spectroscopy of supernovae (SNe) discovered in the first season of the Sloan Digital Sky Survey-II SN Survey, with a particular focus on SNe Ia.
Journal ArticleDOI
Faint High-Latitude Carbon Stars Discovered by the Sloan Digital Sky Survey: Methods and Initial Results
Bruce Margon,Bruce Margon,Scott F. Anderson,Hugh C. Harris,Michael A. Strauss,Gillian R. Knapp,Xiaohui Fan,Donald P. Schneider,Daniel E. Vanden Berk,David J. Schlegel,Eric W. Deutsch,Eric W. Deutsch,Željko Ivezić,P. B. Hall,P. B. Hall,Benjamin F. Williams,Arthur F. Davidsen,J. Brinkmann,István Csabai,Jeffrey J. E. Hayes,Greg Hennessy,E. Kinney,Scot Kleinman,D. Q. Lamb,Dan Long,Eric H. Neilsen,Robert C. Nichol,Atsuko Nitta,Stephanie A. Snedden,Donald G. York +29 more
TL;DR: The discovery of 39 faint high-latitude carbon stars (FHLCs) from the Sloan Digital Sky Survey (SDSS) commissioning data was reported in this article.
Journal ArticleDOI
Ultracompact AM canum venaticorum binaries from the Sloan Digital Sky Survey: Three candidates plus the first confirmed eclipsing system
Scott F. Anderson,Daryl Haggard,Lee Homer,Nikhil R. Joshi,Bruce Margon,Nicole M. Silvestri,Paula Szkody,Michael A. Wolfe,Eric Agol,Andrew C. Becker,Arne Henden,Patrick B. Hall,Gillian R. Knapp,Michael Richmond,Donald P. Schneider,Gregory S. Stinson,J. C. Barentine,Howard Brewington,J. Brinkmann,Michael Harvanek,S. J. Kleinman,Jurek Krzesinski,Jurek Krzesinski,Dan Long,Eric H. Neilsen,Atsuko Nitta,Stephanie A. Snedden +26 more
TL;DR: In this article, the authors identified four new AM-CVn candidates from the Sloan Digital Sky Survey (SDSS) spectral database, all of which show hallmark spectroscopic characteristics of the AMCVn class: each is devoid of hydrogen features and instead shows a spectrum dominated by helium.