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Results 1 - 77 of 77

Thirty Meter Telescope International Observatory Detailed Science Case 2024
- Volume 19, Issue 44 - article #7
- Warren Skidmore, Bob Kirshner, David Andersen, Gelys Trancho, Scot Kleinman, Ian Dell'Antonio, Marie Lemoine-Busserolle, Michael Rich, Matthew Taylor, Chikako Yasui, Guy Stringfellow, Masaomi Tanaka, Ian Crossfield, Paul Wiegert, Roberto Abraham, Masayuki Akiyama, Len Cowie, Christophe Dumas, Mitsuhiko Honda, Bruce Macintosh, Karen Meech, Stan Metchev, Surhud More, Norio Narita, Amitesh Omar, Eric Peng, Manoj Puravankara, C. S. Steidel, Sivarani Thirupathi, Tommaso Treu, Marusa Bradac, James Bullock, Masashi Chiba, Jarah Evslin, Christopher Fassnacht, Philip Lubin, Surhud More, Julio Navarro, Masamune Oguri, Joel Primack, Anjan Ananda Sen, Tommaso Treu, David Tytler, Gillian Wilson, Renxin Xu, Hongsheng Zhao, Gongbo Zhao, Scott Chapman, Ranga-Ram Chary, Asantha Cooray, Mark Dickinson, Masanori Iye, Nobunari Kashikawa, Crystal Martin, Kimihiko Nakajima, Masami Ouchi, Sonali Sachdeva, Toru Yamada, Michael Cooper, Taotao Fang, Roy Gal, Mauro Giavalisco, Tadayuki Kodama, Mariko Kubo, Marie Lemoine-Busserolle, Jennifer Lotz, Michael Pierce, Jason X. Prochaska, Naveen Reddy, Kartik Sheth, R. Srianand, Masayuki Tanaka, Vivian U, Shelley Wright, Aaron Barth, G. C. Dewangan, Tuan Do, Lindsay Fuller, Andrea Ghez, Lei Hao, Fiona Harrison, Luis Ho, Masa Imanishi, Mason Leist, Matt Malkan, Claire Max, Leo Meyer, Tohru Nagao, Chris Packham, Yue Shen, Yiping Wang, Mansi Kasliwal, Enrique Lopez-Rodriguez, Lulu Zhang, Wako Aoki, Mousumi Das, Xuan Fang, Rupjyoti Gogoi, Aruna Goswami, Puragra Guhathakurta, Hanae Inami, K. Indulekha, Jason Kalirai, Lucas Macri, Shude Mao, Alan McConnachie, Stacy McGough, Shalima Puthiyaveettil, Catherine Pilachowski, James Schombert, Sebastien Lepine, Jianrong Shi, Annapurni Subramaniam, Judy Cohen, Evan Kirby, Babar Ali, Adam J. Burgasser, Richard de Grijs, Ruobing Dong, Misato Fukagawa, Carol A. Grady, Priya Hasan, Gregory J. Herczeg, Mitsuhiko Honda, Quinn M. Konopacky, Di Li, Jessica R. Lu, Takayuki Muto, Joan R. Najita, Devendra K. Ojha, Deborah L. Padgett, Klaus M. Pontoppidan, Matthew J. Richter, Jonathan C. Tan, G. C. Anupama, Manjari Bagchi, Varun Bhalerao, Sarah Gallagher, U. S. Kamath, Shigeo Kimura, Keiichi Maeda, Ashish Mahabal, Shashi Bhushan Pandey, Enrico Ramirez-Ruiz, Nozomu Tominaga, Lingzhi Wang, Xiaofeng Wang, Chao Wu, Xufeng Wu, Alan Marscher, Vishal Kasliwal, Thayne Currie, Christian Marois, Carl Melis, William Welsh, Michael C. Liu, Norio Narita, Angelle Tanner, Subo Dong, Eric Gaidos, Taro Matsuo, Stephen Kane, Michael AHearn, Leigh Fletcher, Thomas Greathouse, David Jewitt, Jianyang Li, Junjun Liu, Franck Marchis, Karen Meech, Michael Mumma, Glenn Orton, Angel Otarola, Shalima Puthiyaveettil, Tomohiko Sekiguchi, Feng Tian, Bin Yang, Nancy Han
- https://arxiv.org/abs/1505.01195
The Hubble Space Telescope Survey of M31 Satellite Galaxies. III. Calibrating the Horizontal Branch as an Age Indicator for Nearby Galaxies. (arXiv:2311.16397v1 [astro-ph.GA])
- Volume 18, Issue 46 - article #11
- Connor Jennings, Alessandro Savino, Daniel Weisz, Nitya Kallivayalil, Andrew Cole, Michelle Collins, Andrew Dolphin, Annette Ferguson, Karoline Gilbert, Puragra Guhathakurta, Evan Kirby, Geraint Lewis, Nicolas Martin, Michael Rich, Evan Skillman, Roeland van der Marel, Jack Warfield
- http://arxiv.org/abs/2311.16397
HALO7D. III. Chemical Abundances of Milky Way Halo Stars from Medium-resolution Spectra
- Volume 18, Issue 27 - article #6
- Kevin A. McKinnon, Emily C. Cunningham, Constance M. Rockosi, Puragra Guhathakurta, Ivanna Escala, Evan N. Kirby, Alis J. Deason
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acd33d
Elemental Abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [α/Fe] throughout the M31 Halo with SPLASH
- Volume 18, Issue 26 - article #7
- J. Leigh Wojno, Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Puragra Guhathakurta, Rachael L. Beaton, Jason Kalirai, Masashi Chiba, Steven R. Majewski
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acd5d3
HALO7D III: Chemical Abundances of Milky Way Halo Stars from Medium Resolution Spectra. (arXiv:2302.07293v1 [astro-ph.GA])
- Volume 18, Issue 7 - article #4
- Kevin A. McKinnon, Emily C. Cunningham, Constance M. Rockosi, Puragra Guhathakurta, Ivanna Escala, Evan N. Kirby, Alis J. Deason
- http://arxiv.org/abs/2302.07293
Elemental abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [{alpha}/Fe] throughout the M31 Halo with SPLASH. (arXiv:2211.15288v1 [astro-ph.GA])
- Volume 17, Issue 47 - article #3
- J. Leigh Wojno, Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Puragra Guhathakurta, Rachael L. Beaton, Jason Kalirai, Masashi Chiba, Steven R. Majewski
- http://arxiv.org/abs/2211.15288
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
Elemental Abundances in M31: Iron and Alpha Element Abundances in M31’s Outer Halo
- Volume 15, Issue 26 - article #8
- Karoline M. Gilbert, Jennifer Wojno, Evan N. Kirby, Ivanna Escala, Rachael L. Beaton, Puragra Guhathakurta,, Steven R. Majewski
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/160/1/41
Elemental Abundances in M31: The Kinematics and Chemical Evolution of Dwarf Spheroidal Satellite Galaxies
- Volume 15, Issue 2 - article #11
- Evan N. Kirby, Karoline M. Gilbert, Ivanna Escala, Jennifer Wojno, Puragra Guhathakurta, Steven R. Majewski,, Rachael L. Beaton
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/159/2/46
HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main-sequence Stars
- Volume 14, Issue 29 - article #22
- Emily C. Cunningham, Alis J. Deason, Robyn E. Sanderson, Sangmo Tony Sohn, Jay Anderson, Puragra Guhathakurta, Constance M. Rockosi, Roeland P. van der Marel, Sarah R. Loebman,, Andrew Wetzel
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/879/2/120
HALO7D I. The Line-of-sight Velocities of Distant Main-sequence Stars in the Milky Way Halo
- Volume 14, Issue 19 - article #9
- Emily C. Cunningham, Alis J. Deason, Constance M. Rockosi, Puragra Guhathakurta, Zachary G. Jennings, Evan N. Kirby, Elisa Toloba,, Guillermo Barro
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/876/2/124
The Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s. (arXiv:1902.05569v1 [astro-ph.IM])
- Volume 14, Issue 8 - article #3
- Rachel Akeson, Lee Armus, Etienne Bachelet, Vanessa Bailey, Lisa Bartusek, Andrea Bellini, Dominic Benford, David Bennett, Aparna Bhattacharya, Ralph Bohlin, Martha Boyer, Valerio Bozza, Geoffrey Bryden, Sebastiano Calchi Novati, Kenneth Carpenter, Stefano Casertano, Ami Choi, David Content, Pratika Dayal, Alan Dressler, Olivier Doré, S. Michael Fall, Xiaohui Fan, Xiao Fang, Alexei Filippenko, Steven Finkelstein, Ryan Foley, Steven Furlanetto, Jason Kalirai, B. Scott Gaudi, Karoline Gilbert, Julien Girard, Kevin Grady, Jenny Greene, Puragra Guhathakurta, Chen Heinrich, Shoubaneh Hemmati, David Hendel, Calen Henderson, Thomas Henning, Christopher Hirata, Shirley Ho, Eric Huff, Anne Hutter, Rolf Jansen, Saurabh Jha, Samson Johnson, David Jones, Jeremy Kasdin, Patrick Kelly, Robert Kirshner, et al. (55 additional authors not shown)
- http://arxiv.org/abs/1902.05569
Asymmetric Drift in the Andromeda Galaxy (M31) as a Function of Stellar Age. (arXiv:1811.07037v1 [astro-ph.GA])
- Volume 13, Issue 47 - article #1
- Amanda C. N. Quirk, Puragra Guhathakurta, Laurent Chemin, Claire E. Dorman, Karoline M. Gilbert, Anil C. Seth, Benjamin F. Williams, Julianne J. Dalcanton
- http://arxiv.org/abs/1811.07037
Project AMIGA: Distance and Metallicity Gradients along Andromeda’s Giant Southern Stream from the Red Clump
- Volume 13, Issue 44 - article #5
- Roger E. Cohen, Jason S. Kalirai, Karoline M. Gilbert, Puragra Guhathakurta, Molly S. Peeples, Nicolas Lehner, Thomas M. Brown, Luciana Bianchi, Kathleen A. Barger,, John M. OâMeara
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/156/5/230
HALO7D I: The Line of Sight Velocities of Distant Main Sequence Stars in the Milky Way Halo. (arXiv:1809.04082v1 [astro-ph.GA])
- Volume 13, Issue 37 - article #2
- Emily C. Cunningham, Alis J. Deason, Constance M. Rockosi, Puragra Guhathakurta, Zachary G. Jennings, Evan N. Kirby, Elisa Toloba, Guillermo Barro
- http://arxiv.org/abs/1809.04082
Evidence of a non universal stellar Initial Mass Function. Insights from HST optical imaging of 6 Ultra Faint Dwarf Milky Way Satellites. (arXiv:1801.06195v1 [astro-ph.GA])
- Volume 13, Issue 4 - article #5
- Mario Gennaro, Kirill Tchernyshyov, Thomas M. Brown, Marla Geha, Roberto J. Avila, Puragra Guhathakurta, Jason S. Kalirai, Evan N. Kirby, Alvio Renzini, Joshua D. Simon, Jason Tumlinson, Luis C. Vargas
- http://arxiv.org/abs/1801.06195
Stellar Stream and Halo Structure in the Andromeda Galaxy from a Subaru/Hyper Suprime-Cam Survey
- Volume 13, Issue 4 - article #24
- Yutaka Komiyama, Masashi Chiba, Mikito Tanaka, Masayuki Tanaka, Takanobu Kirihara, Yohei Miki, Masao Mori, Robert H. Lupton, Puragra Guhathakurta, Jason S. Kalirai, Karoline Gilbert, Evan Kirby, Myun Gyoon Lee, In Sung Jang, Sanjib Sharma,, Kohei Hayashi
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/853/1/29
Discovery of a Group of Receding, Variable Halo Stars toward Norma
- Volume 12, Issue 31 - article #14
- Sukanya Chakrabarti, Rodolfo Angeloni, Kenneth Freeman, Benjamin Sargent, Joshua D. Simon, Piotr Konorski, Wolfgang Gieren, Branimir Sesar, Andrew Lipnicky, Leo Blitz, Gibor Basri, William Vacca, Massimo Marengo, Puragra Guhathakurta, Alice Quillen,, Philip Chang
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/844/2/159
Runaway Dwarf Carbon Stars as Candidate Supernova Ejecta. (arXiv:1611.01185v1 [astro-ph.SR])
- Volume 11, Issue 46 - article #10
- Kathryn A. Plant, Bruce Margon, Puragra Guhathakurta, Emily C. Cunningham, Elisa Toloba, Jeffrey A. Munn
- http://arxiv.org/abs/1611.01185
Carbon Stars in the Satellites and Halo of M31
- Volume 11, Issue 35 - article #20
- Katherine Hamren, Rachael L. Beaton, Puragra Guhathakurta, Karoline M. Gilbert, Erik J. Tollerud, Martha L. Boyer, Constance M. Rockosi, Graeme H. Smith, Steven R. Majewski,, Kirsten Howley
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/828/1/15
Characterizing the SHARDS of Disrupted Milky Way Satellites with LAMOST
- Volume 11, Issue 18 - article #12
- Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg, Timothy C. Beers, Licai Deng, Puragra Guhathakurta, Zihuang Cao, Yonghui Hou, Yuefei Wang, Yue Wu, and Yong Zhang
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/822/1/16
Characterizing the SHARDS of Disrupted Milky Way Satellites with LAMOST
- Volume 11, Issue 12 - article #2
- Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg, Timothy C. Beers, Licai Deng, Puragra Guhathakurta, Zihuang Cao, Yonghui Hou, Yuefei Wang, Yong Zhang
- arXiv.org - Astrophysics - Volume: 2016, Issue: 18 Mar
- arXiv:1603.04867 [pdf, ps, other]
Galactoseismology: Discovery of a cluster of receding, variable halo stars
- Volume 11, Issue 3 - article #5
- Sukanya Chakrabarti, Rodolfo Angeloni, Kenneth Freeman, Benjamin Sargent, Joshua D. Simon, Piotr Konorski, Wolfgang Gieren, Branimir Sesar, Andrew Lipnicky, Leo Blitz, Gibor Basri, Massimo Marengo, William Vacca, Puragra Guhathakurta, Alice Quillen, Philip Chang
- arXiv.org - Astrophysics - Volume: 2016, Issue: 15 Jan
- arXiv:1601.03381 [pdf, other]
The Panchromatic Hubble Andromeda Treasury VIII: A Wide-Area, High-Resolution Map of Dust Extinction in M31
- Volume 10, Issue 35 - article #8
- Julianne J. Dalcanton, Morgan Fouesneau, David W. Hogg, Dustin Lang, Adam K. Leroy, Karl D. Gordon, Karin Sandstrom, Daniel R. Weisz, Benjamin F. Williams, Eric F. Bell, Hui Dong, Karoline M. Gilbert, Dimitrious A. Gouliermis, Puragra Guhathakurta, Tod R. Lauer, Andreas Schruba, Anil C. Seth, Evan D. Skillman
- arXiv.org - Astrophysics - Volume: 2015, Issue: 25 Sep
- arXiv:1509.06988 [pdf, other]
Estimation of distances to stars with stellar parameters from LAMOST
- Volume 10, Issue 20 - article #6
- Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg, Timothy C. Beers, Li Chen, Licai Deng, Puragra Guhathakurta, Jinliang Hou, Yonghui Hou, Sebastien Lepine, Guangwei Li, A-Li Luo, Martin C. Smith, Yue Wu, Ming Yang, Brian Yanny, Haotong Zhang, Zheng Zheng
- arXiv.org - Astrophysics - Volume: 2015, Issue: 22 May
- arXiv:1505.05521 [pdf, ps, other]
Tracing the Metal-poor M31 Stellar Halo with Blue Horizontal Branch Stars
- Volume 10, Issue 13 - article #19
- Benjamin F. Williams, Julianne J. Dalcanton, Eric F. Bell, Karoline M. Gilbert, Puragra Guhathakurta, Claire Dorman, Tod R. Lauer, Anil C. Seth, Jason S. Kalirai, Philip Rosenfield, and Leo Girardi
- The Astrophysical Journal - Volume: 802, Issue: 1
- View article PDF (1.81 MB)
Carbon in Red Giants in Globular Clusters and Dwarf Spheroidal Galaxies
- Volume 10, Issue 10 - article #23
- Evan N. Kirby, Michelle Guo, Andrew J. Zhang, Michelle Deng, Judith G. Cohen, Puragra Guhathakurta, Matthew D. Shetrone, Young Sun Lee, and Luca Rizzi
- The Astrophysical Journal - Volume: 801, Issue: 2
- View article PDF (2.13 MB)
Metallicity Evolution of the Six Most Luminous M31 Dwarf Satellites
- Volume 10, Issue 8 - article #11
- Nhung Ho, Marla Geha, Erik J. Tollerud, Robert Zinn, Puragra Guhathakurta, and Luis C. Vargas
- The Astrophysical Journal - Volume: 798, Issue: 2
- View article PDF (5.20 MB)
Tracing the Metal-Poor M31 Stellar Halo with Blue Horizontal Branch Stars
- Volume 10, Issue 4 - article #11
- Benjamin F. Williams, Julianne J. Dalcanton, Eric F. BellKaroline M. Gilbert, Puragra Guhathakurta, Claire Dorman, Tod R. Lauer, Anil C. Seth, Jason S. Kalirai, Philip Rosenfield, Leo Girardi
- arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Jan
- arXiv:1501.06631 [pdf, ps, other]
Global Properties of M31's Stellar Halo from the SPLASH Survey. II. Metallicity Profile
- Volume 9, Issue 24 - article #67
- Karoline M. Gilbert, Jason S. Kalirai, Puragra Guhathakurta, Rachael L. Beaton, Marla C. Geha, Evan N. Kirby, Steven R. Majewski, Richard J. Patterson, Erik J. Tollerud, James S. Bullock, Mikito Tanaka, and Masashi Chiba
- The Astrophysical Journal - Volume: 796, Issue: 2
- View article PDF (3.70 MB)
The Quenching of the Ultra-faint Dwarf Galaxies in the Reionization Era
- Volume 9, Issue 24 - article #69
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Joshua D. Simon, Luis C. Vargas, Don A. VandenBerg, Evan N. Kirby, Jason S. Kalirai, Roberto J. Avila, Mario Gennaro, Henry C. Ferguson, Ricardo R. MuÃ±oz, Puragra Guhathakurta, and Alvio Renzini
- The Astrophysical Journal - Volume: 796, Issue: 2
- View article PDF (1.51 MB)
The Quenching of the Ultra-Faint Dwarf Galaxies in the Reionization Era
- Volume 9, Issue 23 - article #10
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Joshua D. Simon, Luis C. Vargas, Don A. VandenBerg, Evan N. Kirby, Jason S. Kalirai, Roberto J. Avila, Mario Gennaro, Henry C. Ferguson, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Oct
- arXiv:1410.0681 [pdf, ps, other]
Fixing the Reference Frame for PPMXL Proper Motions Using Extragalactic Sources
- Volume 9, Issue 22 - article #8
- Kathleen Grabowski, Jeffrey L. Carlin, Heidi Jo Newberg, Timothy C. Beers, Li Chen, Licai Deng, Carl J. Grillmair, Puragra Guhathakurta, Jinliang Hou, Sebastien Lepine, Chao Liu, Xiaowei Liu, A-Li Luo, Martin C. Smith, Brian Yanny, Haotong Zhang, Zheng Zheng
- arXiv.org - Astrophysics - Volume: 2014, Issue: 12 Sep
- arXiv:1409.2890 [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)
The First Hypervelocity Star from the LAMOST Survey
- Volume 9, Issue 16 - article #34
- Zheng Zheng, Jeffrey L. Carlin, Timothy C. Beers, Licai Deng, Carl J. Grillmair, Puragra Guhathakurta, SÃ©bastien LÃ©pine, Heidi Jo Newberg, Brian Yanny, Haotong Zhang, Chao Liu, Ge Jin, and Yong Zhang
- The Astrophysical Journal Letters - Volume: 785, Issue: 2
- View article PDF (386 KB)
The Formation History of the Ultra-Faint Dwarf Galaxies
- Volume 8, Issue 40 - article #10
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan Kirby, Don A. VandenBerg, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini, Henry C. Ferguson, Luis C. Vargas, Mario Gennaro
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Oct
- arXiv:1310.0824 [pdf, ps, other]
Inferring the Andromeda Galaxy's mass from its giant southern stream with Bayesian simulation sampling
- Volume 8, Issue 28 - article #9
- Mark A. Fardal, Martin D. Weinberg, Arif Babul, Mike J. Irwin, Puragra Guhathakurta, Karoline M. Gilbert, Annette M. N. Ferguson, Rodrigo A. Ibata, Geraint F. Lewis, Nial R. Tanvir, Avon P. Huxor
- arXiv.org - Astrophysics - Volume: 2013, Issue: 12 Jul
- arXiv:1307.3219 [pdf, ps, other]
The Stellar Initial Mass Function of Ultra-faint Dwarf Galaxies: Evidence for IMF Variations with Galactic Environment
- Volume 8, Issue 26 - article #24
- Marla Geha, Thomas M. Brown, Jason Tumlinson, Jason S. Kalirai, Joshua D. Simon, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃ±oz, Roberto J. Avila, Puragra Guhathakurta, and Henry C. Ferguson
- The Astrophysical Journal - Volume: 771, Issue: 1
- Abstract References Full text PDF (588 KB) Enhanced article HTML
Global Properties of M31's Stellar Halo from the SPLASH Survey. I. Surface Brightness Profile
- Volume 7, Issue 48 - article #8
- Karoline M. Gilbert, Puragra Guhathakurta, Rachael L. Beaton, James Bullock, Marla C. Geha, Jason S. Kalirai, Evan N. Kirby, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, Erik J. Tollerud, Mikito Tanaka, and Masashi Chiba
- The Astrophysical Journal - Volume: 760, Issue: 1
- Abstract References Full text PDF (2.32 MB) View as HTML
Stellar Kinematics of the Andromeda II Dwarf Spheroidal Galaxy
- Volume 7, Issue 37 - article #14
- Nhung Ho, Marla C. Geha, Ricardo R. Munoz, Puragra Guhathakurta, Jason S. Kalirai, Karoline M. Gilbert, Erik J. Tollerud, James S. Bullock, Rachael L. Beaton, Steve R. Majewski
- arXiv.org - Astrophysics - Volume: 2012, Issue: 14 Sep
- arXiv:1209.2116 [pdf, ps, other]
The Panchromatic Hubble Andromeda Treasury II. Tracing the Inner M31 Halo with Blue Horizontal Branch Stars
- Volume 7, Issue 37 - article #22
- Benjamin F. Williams, Julianne J. Dalcanton, Eric F. Bell, Karoline M. Gilbert, Puragra Guhathakurta, Tod R. Lauer, Anil C. Seth, Jason S. Kalirai, Philip Rosenfield, Leo Girardi
- arXiv.org - Astrophysics - Volume: 2012, Issue: 14 Sep
- arXiv:1209.2416 [pdf, ps, other]
A unique isolated dwarf spheroidal galaxy at D = 1.9 Mpc
- Volume 7, Issue 34 - article #15
- Dmitry Makarov, Lidia Makarova, Margarita Sharina, Roman Uklein, Anton Tikhonov, Puragra Guhathakurta, Evan Kirby and Natalya Terekhova
- Monthly Notices of the Royal Astronomical Society - Volume: 425, Issue: 1
- Abstract Full Article (HTML)PDF(1938K)References Request Permissions
A spectroscopic survey of Andromeda’s Western Shelf
- Volume 7, Issue 27 - article #21
- Mark A. Fardal, Puragra Guhathakurta, Karoline M. Gilbert, Erik J. Tollerud, Jason S. Kalirai, Mikito Tanaka, Rachael Beaton, Masashi Chiba, Yutaka Komiyama and Masanori Iye
- Monthly Notices of the Royal Astronomical Society - Volume: 423, Issue: 4
- Abstract Full Article (HTML)PDF(1473K)References Request Permissions
The Primeval Populations of the Ultra-faint Dwarf Galaxies
- Volume 7, Issue 27 - article #39
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃ±oz, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Puragra Guhathakurta, Alvio Renzini, and Henry C. Ferguson
- The Astrophysical Journal Letters - Volume: 753, Issue: 1
- Abstract References Full text PDF (598 KB) View as HTML
An Algorithm for Preferential Selection of Spectroscopic Targets in LEGUE
- Volume 7, Issue 25 - article #3
- Jeffrey L. Carlin, Sebastien Lepine, Heidi Jo Newberg, Licai Deng, Timothy C. Beers, Yuqin Chen, Norbert Christlieb, Xiaoting Fu, Shuang Gao, Carl J. Grillmair, Puragra Guhathakurta, Zhanwen Han, Jinliang Hou, Hsu-Tai Lee, Jing Li, Chao Liu, Xiaowei Liu, Kaike Pan, J. A. Sellwood, Hongchi Wang, Fan Yang, Brian Yanny, Yueyang Zhang, Zheng Zheng, Zi Zhu
- arXiv.org - Astrophysics - Volume: 2012, Issue: 22 Jun
- arXiv:1206.3577 [pdf, ps, other]
LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) The survey science plan
- Volume 7, Issue 25 - article #7
- Licai Deng, Heidi Jo Newberg, Chao Liu, Jeffrey L. Carlin, Timothy C. Beers, Li Chen, Yuqin Chen, Norbert Christlieb, Carl J. Grillmair, Puragra Guhathakurta, Zhanwen Han, Jinliang Hou, Tsu-Tai Lee, Sébastien Lépine, Jing Li, Xiaowei Liu, Kaike Pan, J. A. Sellwood, Hongchi Wang, Fan Yang, Brian Yanny, Haotong Zhang, Yueyang Zhang, Zheng Zheng, Zi Zhu
- arXiv.org - Astrophysics - Volume: 2012, Issue: 22 Jun
- arXiv:1206.3578 [pdf, ps, other]
The SPLASH Survey: Spectroscopy of 15 M31 Dwarf Spheroidal Satellite Galaxies
- Volume 7, Issue 23 - article #20
- Erik J. Tollerud, Rachael L. Beaton, Marla C. Geha, James S. Bullock, Puragra Guhathakurta, Jason S. Kalirai, Steve R. Majewski, Evan N. Kirby, Karoline M. Gilbert, Basilio Yniguez, Richard J. Patterson, James C. Ostheimer, Jeff Cooke, Claire E. Dorman, Abrar Choudhury, and Michael C. Cooper
- The Astrophysical Journal - Volume: 752, Issue: 1
- Abstract References Full text PDF (25.18 MB) HTML with Enhancements
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
The SPLASH Survey: Kinematics of Andromeda's Inner Spheroid
- Volume 7, Issue 23 - article #25
- Claire E. Dorman, Puragra Guhathakurta, Mark A. Fardal, Dustin Lang, Marla C. Geha, Kirsten M. Howley, Jason S. Kalirai, James S. Bullock, Jean-Charles Cuillandre, Julianne J. Dalcanton, Karoline M. Gilbert, Anil C. Seth, Erik J. Tollerud, Benjamin F. Williams, and Basilio Yniguez
- The Astrophysical Journal - Volume: 752, Issue: 2
- Abstract References Full text PDF (2.25 MB) View as HTML
Discovery of Super-Li-rich Red Giants in Dwarf Spheroidal Galaxies
- Volume 7, Issue 23 - article #26
- Evan N. Kirby, Xiaoting Fu, Puragra Guhathakurta, and Licai Deng
- The Astrophysical Journal Letters - Volume: 752, Issue: 1
- Abstract References Full text PDF (2.99 MB) View as HTML
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]
The SPLASH Survey: Spectroscopy of 15 M31 Dwarf Spheroidal Satellite Galaxies
- Volume 6, Issue 49 - article #15
- Erik J. Tollerud, Rachael L. Beaton, Marla C. Geha, James S. Bullock, Puragra Guhathakurta, Jason S. Kalirai, Steve R. Majewski, Evan N. Kirby, Karoline M. Gilbert, Basilio Yniguez, Richard J. Patterson, James C. Ostheimer, Abrar Choudhury
- arXiv.org - Astrophysics - Volume: 2011, Issue: 9 Dec
- arXiv:1112.1067 [pdf, other]
The Luminosity Profile and Structural Parameters of the Andromeda Galaxy
- Volume 6, Issue 38 - article #31
- StÃ©phane Courteau, Lawrence M. Widrow, Michael McDonald, Puragra Guhathakurta, Karoline M. Gilbert, Yucong Zhu, Rachael Lynn Beaton and Steven R. Majewski
- The Astrophysical Journal - Volume: 739, Issue: 1
- Abstract References Full text PDF (1.17 MB) View as HTML
HST/ACS Observations of RR Lyrae Stars in Six Ultra-deep Fields of M31
- Volume 6, Issue 10 - article #13
- Elizabeth J. Jeffery, Ed Smith, Thomas M. Brown, Allen V. Sweigart, Jason Kalirai, Henry C. Ferguson, Puragra Guhathakurta, Alvio Renzini, R. Michael Rich
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Mar
- arXiv:1103.1400 [pdf, ps, other]
The SPLASH Survey: Internal Kinematics, Chemical Abundances, and Masses of the Andromeda I, II, III, VII, X, and XIV Dwarf Spheroidal Galaxies
- Volume 5, Issue 9 - article #31
- <em >Jason S. Kalirai, Rachael L. Beaton, Marla C. Geha, Karoline M. Gilbert, Puragra Guhathakurta, Evan N. Kirby, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, and Joe Wolf</em&gt,
- The Astrophysical Journal - Volume: 711, Issue: 2
- Abstract | References
Structure and Population of the Andromeda Stellar Halo from a Subaru/Suprime-Cam Survey
- Volume 4, Issue 52 - article #25
- <em >Mikito Tanaka, Masashi Chiba, Yutaka Komiyama, Puragra Guhathakurta, Jason S. Kalirai, and Masanori Iye</em&gt,
- The Astrophysical Journal - Volume: 708, Issue: 2
- Abstract | References
The SPLASH Survey: Internal Kinematics, Chemical Abundances, and Masses of the Andromeda I, II, III, VII, X, and XIV dSphs
- Volume 4, Issue 46 - article #22
- Jason S. Kalirai, Rachael L. Beaton, Marla C. Geha, Karoline M. Gilbert, Puragra Guhathakurta, Evan N. Kirby, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, Joe Wolf
- arXiv.org - Astrophysics - Volume: 2009, Issue: 13 Nov
- arXiv:0911.1998 [ps, pdf, other]
The Splash Survey: A Spectroscopic Portrait of Andromeda's Giant Southern Stream
- Volume 4, Issue 44 - article #27
- <em >Karoline M. Gilbert, Puragra Guhathakurta, Priya Kollipara, Rachael L. Beaton, Marla C. Geha, Jason S. Kalirai, Evan N. Kirby, Steven R. Majewski, and Richard J. Patterson</em&gt,
- The Astrophysical Journal - Volume: 705, Issue: 2
- Abstract | References
Multi-element Abundance Measurements from Medium-resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy
- Volume 4, Issue 43 - article #18
- <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
The SPLASH Survey: A Spectroscopic Analysis of the Metal-Poor, Low-Luminosity M31 dSph Satellite Andromeda X
- Volume 4, Issue 43 - article #24
- Jason S. Kalirai, Daniel B. Zucker, Puragra Guhathakurta, Marla Geha, Alexei Y. Kniazev, David Martínez-Delgado, Eric F. Bell, Eva K. Grebel, and Karoline M. Gilbert
- The Astrophysical Journal - Volume: 705, Issue: 1
- Abstract | References
"An Era of Precision Astrophysics: Connecting Stars, Galaxies and the Universe," an Astro2010 Science White Paper
- Volume 4, Issue 8 - article #1
- Rob P. Olling, Ron J. Allen, Jay Anderson, Brian C. Chaboyer, Wendy Freedman, Puragra Guhathakurta, Kenneth Johnston, Shri Kulkarni, Sebastien Lepine, Valeri V. Makarov, Eric E. Mamajek, Alice C. Quillen, Kailash S. Sahu, Ata Sarajedini, Ed J. Shaya, Donald Terndrup, Patrick A. Young
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Feb
- arXiv:0902.3197 [pdf]
Galactic Dynamics and Local Dark Matter
- Volume 4, Issue 8 - article #8
- Steven R. Majewski, James Bullock, Andreas Burkert, Brad Gibson, Eva Grebel, Oleg Y. Gnedin, Puragra Guhathakurta, Amina Helmi, Kathryn V. Johnston, Pavel Kroupa, Manuel Metz, Ben Moore, Richard J. Patterson, Edward Shaya, Louis E. Strigari, Roeland van der Marel
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Feb
- arXiv:0902.2759 [pdf]
Properties of Dark Matter Revealed by Astrometric Measurements of the Milky Way and Local Galaxies
- Volume 4, Issue 8 - article #16
- Edward Shaya, Robert Olling, Massimo Ricotti, Stuart Vogel, Steven R. Majewski, Richard J. Patterson, Ron Allen, Roeland P. van der Marel, Warren Brown, James Bullock, Andreas Burkert, Francoise Combes, Oleg Gnedin, Carl Grillmair, Shri Kulkarni, Puragra Guhathakurta, Amina Helmi, Kathryn Johnston, Pavel Kroupa, George Lake, Ben Moore, R. Brent Tully
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Feb
- arXiv:0902.2835 [pdf]
The Extended Star Formation History of the Andromeda Spheroid at 35 kpc on the Minor Axis
- Volume 3, Issue 39 - article #36
- Thomas M. Brown, Rachael Beaton, Masashi Chiba, Henry C. Ferguson, Karoline M. Gilbert, Puragra Guhathakurta, Masanori Iye, Jasonjot S. Kalirai, Andreas Koch, Yutaka Komiyama, Steven R. Majewski, David B. Reitzel, Alvio Renzini, R. Michael Rich, Ed Smith, Allen V. Sweigart, and Mikito Tanaka
- The Astrophysical Journal Letters - Volume: 685, Issue: 2
- Abstract-Full Text-PDF Version (239 kB)
Metallicity and Alpha-Element Abundance Measurement in Red Giant Stars from Medium Resolution Spectra
- Volume 3, Issue 17 - article #8
- Evan N. Kirby, Puragra Guhathakurta, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2008, Issue: 24 Apr
- arXiv:0804.3590 [ps, pdf, other]
Discovery of Andromeda XIV: A Dwarf Spheroidal Dynamical Rogue in the Local Group?
- Volume 2, Issue 45 - article #8
- Steven R. Majewski, Rachael L. Beaton, Richard J. Patterson, Jasonjot S. Kalirai, Marla C. Geha, Ricardo R. Muñoz, Marc S. Seigar, Puragra Guhathakurta, Karoline M. Gilbert, R. Michael Rich, James S. Bullock, and David B. Reitzel
- The Astrophysical Journal Letters - Volume: 670, Issue: 1
- ABSTRACT | FULL TEXT WITH ENHANCEMENTS | PDF (171 kB) | PS
Stellar Kinematics in the Complicated Inner Spheroid of M31: Discovery of Substructure along the Southeastern Minor Axis and Its Relationship to the Giant Southern Stream
- Volume 2, Issue 40 - article #19
- Karoline M. Gilbert, Mark Fardal, Jasonjot S. Kalirai, Puragra Guhathakurta, Marla C. Geha, Jedidah Isler, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, David B. Reitzel, Evan Kirby, and Michael C. Cooper
- The Astrophysical Journal - Volume: 668, Issue: 1
- ABSTRACT | FULL TEXT | PDF (2797 kB) | PS
Stellar Kinematics in the Complicated Inner Spheroid of M31: Discovery of Substructure Along the Southeastern Minor Axis and its Relationship to the Giant Southern Stream
- Volume 2, Issue 10 - article #7
- Karoline M. Gilbert, Mark Fardal, Jasonjot S. Kalirai, Puragra Guhathakurta, Marla C. Geha, Jedidah Isler, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, David B. Reitzel, Evan Kirby, Michael C. Cooper
- ArXiv - Astrophysics
- astro-ph/0703029 [abs, ps, pdf, other]
Discovery of Andromeda XIV: A Dwarf Spheroidal Dynamical Rogue in the Local Group?
- Volume 2, Issue 9 - article #18
- Steven R. Majewski, Rachael L. Beaton, Richard J. Patterson, Jasonjot S. Kalirai, Marla C. Geha, Ricardo R. Muñoz, Marc S. Seigar, Puragra Guhathakurta, James Bullock, R. Michael Rich, Karoline M. Gilbert, David B. Reitzel
- ArXiv - Astrophysics
- astro-ph/0702635 [abs, ps, pdf, other]
The Detailed Star Formation History in the Spheroid, Outer Disk, and Tidal Stream of the Andromeda Galaxy
- Volume 1, Issue 42 - article #4
- Thomas M. Brown, Ed Smith, Henry C. Ferguson, R. Michael Rich, Puragra Guhathakurta, Alvio Renzini, Allen V. Sweigart, and Randy A. Kimble
- The Astrophysical Journal - Volume652, Issue 1
- ABSTRACT, FULL TEXT, PDF (2636 kB), PS
Tracing the Dynamical History of the Globular Cluster 47 Tucanae
- Volume 1, Issue 37 - article #2
- Eric Monkman, Alison Sills, Justin Howell, Puragra Guhathakurta, Francesca de Angeli, and Giacomo Beccari
- The Astrophysical Journal - Volume650, Issue 1
- ABSTRACT, FULL TEXT, PDF (576 kB), PS
The Metal-poor Halo of the Andromeda Spiral Galaxy (M31)
- Volume 1, Issue 31 - article #2
- Jasonjot S. Kalirai, Karoline M. Gilbert, Puragra Guhathakurta, Steven R. Majewski, James C. Ostheimer, R. Michael Rich, Michael C. Cooper, David B. Reitzel, and Richard J. Patterson
- The Astrophysical Journal - Volume648, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (894 kB), PS
Discovery of an Extended Halo of Metal-poor Stars in the Andromeda Spiral Galaxy
- Volume 1, Issue 16 - article #10
- Puragra Guhathakurta, James C. Ostheimer, Karoline M. Gilbert, R. Michael Rich, Steven R. Majewski, Jasonjot S. Kalirai, David B. Reitzel, Michael C. Cooper, Richard J. Patterson
- ArXiv - Astrophysics
- astro-ph/0605172 [abs, ps, pdf, other]
The Outer Halo of M31: A New Method for Isolating Red Giant Stars and a Measurement of the Brightness Profile and Metallicity Distribution
- Volume 1, Issue 16 - article #11
- Karoline M. Gilbert, Puragra Guhathakurta, Jasonjot S. Kalirai, R. Michael Rich, Steven R. Majewski, James C. Ostheimer, David B. Reitzel, A. Javier Cenarro, Michael C. Cooper, Carynn Luine, Richard J. Patterson
- ArXiv - Astrophysics
- astro-ph/0605171 [abs, ps, pdf, other]
DYNAMICS AND STELLAR CONTENT OF THE GIANT SOUTHERN STREAM IN M31. I. KECK SPECTROSCOPY OF RED GIANT STARS
- Volume 1, Issue 14 - article #22
- Puragra Guhathakurta, R. Michael Rich, David B. Reitzel, Michael C. Cooper, Karoline M. Gilbert, Steven R. Majewski, James C. Ostheimer, Marla C. Geha, Kathryn V. Johnston, and Richard J. Patterson
- Astronomical Journal - Volume 131, Issue 5
- Abstract Full Text PDF (1043 kB) Page
Kinematics and Metallicity of M31 Red Giants: The Giant Southern Stream and Discovery of a Second Cold Component at R = 20 kpc
- Volume 1, Issue 11 - article #2
- Jasonjot S. Kalirai, Puragra Guhathakurta, Karoline M. Gilbert, David B. Reitzel, Steven R. Majewski, R. Michael Rich, and Michael C. Cooper
- The Astrophysical Journal - Volume641, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (1516 kB), PS
DYNAMICS AND STELLAR CONTENT OF THE GIANT SOUTHERN STREAM IN M31. II. INTERPRETATION
- Volume 1, Issue 7 - article #28
- Andreea S. Font, Kathryn V. Johnston, Puragra Guhathakurta, Steven R. Majewski, and R. Michael Rich
- Astronomical Journal - Volume 131, Issue 3
- Abstract Full Text PDF (485 kB) Page 1436

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