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Results 1 - 40 of 40

Discovery and Characterization of Two Ultrafaint Dwarfs outside the Halo of the Milky Way: Leo M and Leo K
- Volume 19, Issue 22 - article #13
- Kristen. B. W. McQuinn, Yao-Yuan Mao, Erik J. Tollerud, Roger E. Cohen, David Shih, Matthew R. Buckley, Andrew E. Dolphin
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad429b
Discovery and Characterization of Two Ultra Faint-Dwarfs Outside the Halo of the Milky Way: Leo M and Leo K
- Volume 19, Issue 21 - article #6
- Kristen B. W. McQuinn, Yao-Yuan Mao, Erik J. Tollerud, Roger E. Cohen, David Shih, Matthew R. Buckley, Andrew E. Dolphin
- https://arxiv.org/abs/2307.08738
The SAGA Survey. III. A Census of 101 Satellite Systems around Milky Way-mass Galaxies
- Volume 19, Issue 17 - article #7
- Yao-Yuan Mao (U Utah), Marla Geha (Yale), Risa H. Wechsler (Stanford/SLAC/KIPAC), Yasmeen Asali (Yale), Yunchong Wang (Stanford/SLAC/KIPAC), Erin Kado-Fong (Yale), Nitya Kallivayalil (U Virginia), Ethan O. Nadler (Carnegie Obs, USC), Erik J. Tollerud (STScI), Benjamin Weiner (U Arizona/Steward), Mithi A. C. de los Reyes (Amherst College), John F. Wu (STScI, Johns Hopkins)
- https://arxiv.org/abs/2404.14498
The SAGA Survey. IV. The Star Formation Properties of 101 Satellite Systems around Milky Way-mass Galaxies
- Volume 19, Issue 17 - article #8
- Marla Geha (Yale), Yao-Yuan Mao (U Utah), Risa H. Wechsler (Stanford/SLAC/KIPAC), Yasmeen Asali (Yale), Erin Kado-Fong (Yale), Nitya Kallivayalil (U Virginia), Ethan O. Nadler (Carnegie Obs, USC), Erik J. Tollerud (STScI), Benjamin Weiner (U Arizona/Steward), Mithi A. C. de los Reyes (Amherst College), Yunchong Wang (Stanford/SLAC/KIPAC), John F. Wu (STScI, Johns Hopkins)
- https://arxiv.org/abs/2404.14499
The SAGA Survey. V. Modeling Satellite Systems around Milky Way-mass Galaxies with Updated UniverseMachine
- Volume 19, Issue 17 - article #9
- Yunchong Wang (Stanford/SLAC/KIPAC), Ethan O. Nadler (Carnegie Obs, USC), Yao-Yuan Mao (U Utah), Risa H. Wechsler (Stanford/SLAC/KIPAC), Tom Abel (Stanford/SLAC/KIPAC), Peter Behroozi (U Arizona/Steward, NAOJ), Marla Geha (Yale), Yasmeen Asali (Yale), Mithi A. C. de los Reyes (Amherst College), Erin Kado-Fong (Yale), Nitya Kallivayalil (U Virginia), Erik J. Tollerud (STScI), Benjamin Weiner (U Arizona/Steward), John F. Wu (STScI, Johns Hopkins)
- https://arxiv.org/abs/2404.14500
The JWST Resolved Stellar Populations Early Release Science Program II. Survey Overview. (arXiv:2301.04659v1 [astro-ph.GA])
- Volume 18, Issue 2 - article #3
- Daniel R. Weisz, Kristen B. W. McQuinn, Alessandro Savino, Nitya Kallivayalil, Jay Anderson, Martha L. Boyer, Matteo Correnti, Marla C. Geha, Andrew E. Dolphin, Karin M. Sandstrom, Andrew A. Cole, Benjamin F. Williams, Evan D. Skillman, Roger E. Cohen, Max J. B. Newman, Rachael Beaton, Alessandro Bressan, Alberto Bolatto, Michael Boylan-Kolchin, Alyson M. Brooks, James S. Bullock, Charlie Conroy, M. C. Cooper, Julianne J. Dalcanton, Aaron L. Dotter, Tobias K. Fritz, Chris Garling, Mario Gennaro, Karoline M. Gilbert, Leo Girardi, Benjamin D. Johnson, L. Clifton Johnson, Jason Kalirai, Evan N. Kirby, Dustin Lang, Paola Marigo, Hannah Richstein, Edward F. Schlafly, Judy Schmidt, Erik J. Tollerud, Jack T. Warfield, Andrew Wetzel
- http://arxiv.org/abs/2301.04659
Pegasus V -- a newly discovered ultra-faint dwarf galaxy on the outskirts of Andromeda. (arXiv:2204.09068v1 [astro-ph.GA])
- Volume 17, Issue 16 - article #8
- Michelle L. M. Collins, Emily J. E. Charles, David Martínez-Delgado, Matteo Monelli, Noushin Karim, Giuseppe Donatiello, Erik J. Tollerud, Walter Boschin
- http://arxiv.org/abs/2204.09068
The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies. (arXiv:2008.12783v1 [astro-ph.GA])
- Volume 15, Issue 36 - article #6
- Yao-Yuan Mao (1), Marla Geha (2), Risa H. Wechsler (3), Benjamin Weiner (4), Erik J. Tollerud (5), Ethan O. Nadler (3), Nitya Kallivayalil (6) ((1) Rutgers, (2) Yale, (3) KIPAC/Stanford/SLAC, (4) Arizona/Steward, (5) STScI, (6) U Virginia)
- http://arxiv.org/abs/2008.12783
Elemental Abundances in M31: [Fe/H] and [ α /Fe] in M31 Dwarf Galaxies Using Coadded Spectra
- Volume 15, Issue 22 - article #9
- Jennifer Wojno, Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Rachael L. Beaton, Erik J. Tollerud, Steven R. Majewski,, Puragra Guhathakurta
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/895/2/78
The SAGA Survey. I. Satellite Galaxy Populations around Eight Milky Way Analogs
- Volume 12, Issue 37 - article #11
- Marla Geha, Risa H. Wechsler, Yao-Yuan Mao, Erik J. Tollerud, Benjamin Weiner, Rebecca Bernstein, Ben Hoyle, Sebastian Marchi, Phil J. Marshall, Ricardo MuÃ±oz,, Yu Lu
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/847/1/4
The SAGA Survey: I. Satellite Galaxy Populations Around Eight Milky Way Analogs. (arXiv:1705.06743v1 [astro-ph.GA])
- Volume 12, Issue 21 - article #8
- Marla Geha (1), Risa H. Wechsler (2), Yao-Yuan Mao (3), Erik J. Tollerud (4), Benjamin Weiner (5), Rebecca Bernstein (6), Ben Hoyle (7), Sebastian Marchi (8), Phil J. Marshall (2), Ricardo Munoz (8), Yu Lu (6) ((1) Yale, (2) KIPAC/Stanford/SLAC, (3) U Pittsburgh/PITT PACC, (4) STScI, (5) U Arizona, (6) Carnegie, (7) U Sternwarte/MPE, (8) U Chile)
- http://arxiv.org/abs/1705.06743
Exploding Satellites—The Tidal Debris of the Ultra-faint Dwarf Galaxy Hercules
- Volume 12, Issue 2 - article #13
- Andreas H. W. KÃ¼pper, Kathryn V. Johnston, Steffen Mieske, Michelle L. M. Collins,, Erik J. Tollerud
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/834/2/112
Dynamical evidence for a strong tidal interaction between the Milky Way and its satellite, Leo V. (arXiv:1608.05710v1 [astro-ph.GA])
- Volume 11, Issue 35 - article #3
- Michelle L. M. Collins, Erik J. Tollerud, David J. Sand, Ana Bonaca, Beth Willman, Jay Strader
- http://arxiv.org/abs/1608.05710
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
Exploding Satellites -- The Tidal Debris of the Ultra-Faint Dwarf Galaxy Hercules. (arXiv:1608.05085v1 [astro-ph.GA])
- Volume 11, Issue 34 - article #3
- Andreas H.W. Küpper, Kathryn V. Johnston, Steffen Mieske, Michelle L.M. Collins, Erik J. Tollerud
- http://arxiv.org/abs/1608.05085
A Deep Study of the Dwarf Satellites Andromeda XXVIII & Andromeda XXIX
- Volume 10, Issue 19 - article #1
- Colin T. Slater, Eric F. Bell, Nicolas F. Martin, Erik J. Tollerud, Nhung Ho
- arXiv.org - Astrophysics - Volume: 2015, Issue: 15 May
- arXiv:1505.02161 [pdf, other]
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)
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)
[α/Fe] Abundances of Four Outer M31 Halo Stars
- Volume 9, Issue 24 - article #71
- Luis C. Vargas, Karoline M. Gilbert, Marla Geha, Erik J. Tollerud, Evan N. Kirby, and Puragra Guhathakurta
- The Astrophysical Journal Letters - Volume: 797, Issue: 1
- View article PDF (554 KB)
[$α$/Fe] Abundances of Four Outer M 31 Halo Stars
- Volume 9, Issue 23 - article #21
- Luis C. Vargas (1), Karoline M. Gilbert (2), Marla C. Geha (1), Erik J. Tollerud (1), Evan N. Kirby (3), Puragra Guhathakurta (4) ((1) Yale University, (2) STSCI, (3) Caltech, (4) UC Santa Cruz)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Oct
- arXiv:1410.3475 [pdf, ps, other]
The Distribution of Alpha Elements in Andromeda Dwarf Galaxies
- Volume 9, Issue 21 - article #76
- Luis C. Vargas, Marla C. Geha, and Erik J. Tollerud
- The Astrophysical Journal - Volume: 790, Issue: 1
- View article PDF (976 KB)
The Distribution of Alpha Elements in Andromeda Dwarf Galaxies
- Volume 9, Issue 20 - article #137
- Luis C. Vargas, Marla C. Geha, Erik J. Tollerud (Yale University)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 6 Jun
- arXiv:1406.0510 [pdf, ps, other]
M31 satellite masses compared to ΛCDM subhaloes
- Volume 9, Issue 17 - article #22
- Erik J. Tollerud, Michael Boylan-Kolchin, and James S. Bullock
- Monthly Notices of the Royal Astronomical Society - Volume: 440, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
M31 Satellite Masses Compared to LCDM Subhaloes
- Volume 9, Issue 13 - article #5
- Erik J. Tollerud, Michael Boylan-Kolchin, James S. Bullock
- arXiv.org - Astrophysics - Volume: 2014, Issue: 28 Mar
- arXiv:1403.6469 [pdf, ps, other]
Astropy: A community Python package for astronomy
- Volume 8, Issue 45 - article #13
- The Astropy Collaboration, Thomas P. Robitaille, Erik J. Tollerud, Perry Greenfield, Michael Droettboom, Erik Bray, Tom Aldcroft, Matt Davis, Adam Ginsburg, Adrian M. Price-Whelan, et al. (35 more) Wolfgang E. Kerzendorf, Alexander Conley, Neil Crighton, Kyle Barbary, Demitri Muna, Henry Ferguson, FrÃ©dÃ©ric Grollier, Madhura M. Parikh, Prasanth H. Nair, Hans M. GÃ¼nther, Christoph Deil, Julien Woillez, Simon Conseil, Roban Kramer, James E. H. Turner, Leo Singer, Ryan Fox, Benjamin A. Weaver, Victor Zabalza, Zachary I. Edwards, K. Azalee Bostroem, D. J. Burke, Andrew R. Casey, Steven M. Crawford, Nadia Dencheva, Justin Ely, Tim Jenness, Kathleen Labrie, Pey Lian Lim, Francesco Pierfederici, Andrew Pontzen, Andy Ptak, Brian Refsdal, Mathieu Servillat and Ole Streicher
- Astronomy and Astrophysics - Volume: 558, Issue: October 2013
- http://dx.doi.org/10.1051/0004-6361/201322068
  Abstract Full HTML PDF (335.1 KB) References NASA ADS Abstract Service
Astropy: A Community Python Package for Astronomy
- Volume 8, Issue 30 - article #1
- The Astropy Collaboration: Thomas P. Robitaille, Erik J. Tollerud, Perry Greenfield, Michael Droettboom, Erik Bray, Tom Aldcroft, Matt Davis, Adam Ginsburg, Adrian M. Price-Whelan, Wolfgang E. Kerzendorf, Alexander Conley, Neil Crighton, Kyle Barbary, Demitri Muna, Henry Ferguson, Frédéric Grollier, Madhura M. Parikh, Prasanth H. Nair, Hans M. Günther, Christoph Deil, Julien Woillez, Simon Conseil, Roban Kramer, James E. H. Turner, Leo Singer, Ryan Fox, Benjamin A. Weaver, Victor Zabalza, Zachary I. Edwards, K. Azalee Bostroem, D. J. Burke, Andrew R. Casey, Steven M. Crawford, Nadia Dencheva, Justin Ely, Tim Jenness, Kathleen Labrie, Pey Lian Lim, Francesco Pierfederici, Andrew Pontzen, Andy Ptak, Brian Refsdal, Mathieu Servillat, Ole Streicher
- arXiv.org - Astrophysics - Volume: 2013, Issue: 26 Jul
- arXiv:1307.6212 [pdf, other]
The Outer Limits of the M31 System: Kinematics of the Dwarf Galaxy Satellites And XXVIII & And XXIX
- Volume 8, Issue 18 - article #16
- Erik J. Tollerud, Marla C. Geha, Luis C. Vargas, and James S. Bullock
- The Astrophysical Journal - Volume: 768, Issue: 1
- Abstract References Full text PDF (1.10 MB) Enhanced article HTML
The Outer Limits of the M31 System: Kinematics of the Dwarf Galaxy Satellites And XXVIII and And XXIX
- Volume 8, Issue 6 - article #11
- Erik J. Tollerud, Marla C. Geha, Luis C. Vargas, James S. Bullock
- arXiv.org - Astrophysics - Volume: 2013, Issue: 8 Feb
- arXiv:1302.0848 [pdf, ps, other]
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]
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 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
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
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]
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Volume 6, Issue 18 - article #17
- Joshua D. Simon, Marla Geha, Quinn E. Minor, Gregory D. Martinez, Evan N. Kirby, James S. Bullock, Manoj Kaplinghat, Louis E. Strigari, Beth Willman, Philip I. Choi, Erik J. Tollerud and Joe Wolf
- The Astrophysical Journal - Volume: 733, Issue: 1
- Abstract References Full text PDF (1.24 MB) HTML with Enhancements
From Galaxy Clusters to Ultra-Faint Dwarf Spheroidals: A Fundamental Curve Connecting Dispersion-supported Galaxies to Their Dark Matter Halos
- Volume 5, Issue 32 - article #6
- Erik J. Tollerud, James S. Bullock, Genevieve J. Graves, Joe Wolf
- arXiv.org - Astrophysics - Volume: 2010, Issue: 6 Aug
- arXiv:1007.5311 [pdf, ps, other]
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Volume 5, Issue 31 - article #1
- Joshua D. Simon (Carnegie Observatories), Marla Geha (Yale), Quinn E. Minor, Gregory D. Martinez (UC Irvine), Evan N. Kirby (Caltech), James S. Bullock, Manoj Kaplinghat (UC Irvine), Louis E. Strigari (Stanford), Beth Willman (Haverford), Philip I. Choi (Pomona), Erik J. Tollerud, Joe Wolf (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 30 Jul
- arXiv:1007.4198 [pdf, ps, other]
Stealth Galaxies in the Halo of the Milky Way
- Volume 4, Issue 50 - article #14
- James S. Bullock, Kyle R. Stewart, Manoj Kaplinghat, Erik J. Tollerud (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 11 Dec
- arXiv:0912.1873 [ps, pdf, other]
Hundreds of Milky Way Satellites? Luminosity Bias in the Satellite Luminosity Function
- Volume 3, Issue 46 - article #32
- Erik J. Tollerud, James S. Bullock, Louis E. Strigari, and Beth Willman
- The Astrophysical Journal - Volume: 688, Issue: 1
- Abstract-Full Text-PDF Version (1779 kB)
Hundreds of Milky Way Satellites? Luminosity Bias in the Satellite Luminosity Function
- Volume 3, Issue 27 - article #11
- Erik J. Tollerud, James S. Bullock, Louis E. Strigari, Beth Willman
- arXiv.org - Astrophysics - Volume: 2008, Issue: 3 Jul
- arXiv:0806.4381 [ps, pdf, other]

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