Observatories of the Carnegie Institution of Washington 813 Santa Barbara St. Pasadena, CA 91101 Phone: (626) 304-0256
CURRENT POSITION
Staff Member, Carnegie Observatories
PREVIOUS POSITIONS
Vera Rubin Fellow, Carnegie Observatories 2008-2010 Prize Fellow in Observational Optical Astronomy, Caltech 2005-2008
EDUCATION
Ph. D. (Astrophysics), University of California, Berkeley, 2005 M. A. (Astrophysics), University of California, Berkeley, 2000 B. S. (Physics), Stanford University, 1998 High school diploma, Pioneer High School, Ann Arbor, MI, 1994 (That's still relevant, right? Anyone?)
A. Drlica-Wagner, K. Bechtol, S. Allam, D. L. Tucker, R. A. Gruendl, M. D. Johnson, A. R. Walker, D. J. James, D. L. Nidever, K. A. G. Olsen, R. H. Wechsler, M. R. L. Cioni, B. C. Conn, K. Kuehn, T. S. Li, Y.-Y. Mao, N. F. Martin, E. Neilsen, N. E. D. Noel, A. Pieres, J. D. Simon, G. S. Stringfellow, R. P. van der Marel, and B. Yanny, 2016, ApJL, 833, L5 ADS astro-ph
KIC 8462852 Faded throughout the Kepler Mission B. T. Montet and J. D. Simon, 2016, ApJL, 830, L39 ADS astro-ph
Spectroscopic Confirmation of the Dwarf Spheroidal Galaxy d0944+71 as a Member of the M81 Group of Galaxies E. Toloba, D. Sand, P. Guhathakurta, K. Chiboucas, D. Crnojevic, and J. D. Simon, 2016, ApJL, 830, L21 ADS astro-ph
Complete Element Abundances of Nine Stars in the r-process Galaxy Reticulum II A. P. Ji, A. Frebel, J. D. Simon, and A. Chiti, 2016, ApJ, 830, 93 ADS astro-ph
A MegaCam Survey of Outer Halo Satellites. VI. The Spatially Resolved Star-formation History of the Carina Dwarf Spheroidal Galaxy F. A. Santana, R. R. Munoz, T. J. L. de Boer, J. D. Simon, M. Geha, P. Cote, A. E. Guzman, P. Stetson, and S. G. Djorgovski, 2016, ApJ, 829, 86 ADS astro-ph
The Extended Halo of Centaurus A: Uncovering Satellites, Streams, and Substructures D. Crnojevic, D. J. Sand, K. Spekkens, N. Caldwell, P. Guhathakurta, B. McLeod, A. Seth, J. D. Simon, J. Strader, and E. Toloba, 2016, ApJ, 823, 19 ADS astro-ph
A Deep Search for Prompt Radio Emission from Thermonuclear Supernovae with the Very Large Array L. Chomiuk, A. M. Soderberg, R. A. Chevalier, S. Bruzewski, R. J. Foley, J. Parrent, J. Strader, C. Badenes, C. Fransson, A. Kamble, R. Margutti, M. P. Rupen, and J. D. Simon, 2016, ApJ, 821, 119 ADS astro-ph
R-process enrichment from a single event in an ancient dwarf galaxy A. P. Ji, A. Frebel, A. Chiti, and J. D. Simon, 2016, Nature, 531, 610 ADS astro-ph
Discovery of a Stellar Overdensity in Eridanus-Phoenix in the Dark Energy Survey T. S. Li, E. Balbinot, N. Mondrik, J. L. Marshall, B. Yanny, K. Bechtol, A. Drlica-Wagner, D. Oscar, B. Santiago, J. D. Simon, A. K. Vivas, A. R. Walker, M. Y. Wang, T. M. C. Abbott, F. B. Abdalla, A. Benoit-Levy, G. M. Bernstein, E. Bertin, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, L. N. da Costa, D. L. DePoy, S. Desai, H. T. Diehl, P. Doel, J. Estrada, D. A. Finley, B. Flaugher, J. Frieman, D. Gruen, R. A. Gruendl, G. Gutierrez, K. Honscheid, D. J. James, K. Kuehn, N. Kuropatkin, O. Lahav, M. A. G. Maia, M. March, P. Martini, R. Ogando, A. A. Plazas, K. Reil, A. K. Romer, A. Roodman, E. Sanchez, V. Scarpine, M. Schubnell, I. Sevilla-Noarbe, R. C. Smith, M. Soares-Santos, F. Sobreira, E. Suchyta, M. E. C. Swanson, G. Tarle, D. Tucker, and Y. Zhang, 2016, ApJ, 817, 135 ADS astro-ph
High-resolution Spectroscopy of Extremely Metal-poor Stars in the Least-evolved Galaxies: Bootes II A. P. Ji, A. Frebel, J. D. Simon, and M. Geha, 2016, ApJ, 817, 41 ADS astro-ph
A Tidally Disrupting Dwarf Galaxy in the Halo of NGC 253 E. Toloba, D. J. Sand, K. Spekkens, D. Crnojevic, J. D. Simon, P. Guhathakurta, J. Strader, N. Caldwell, B. McLeod, and A. C. Seth, 2016, ApJL, 816, L5 ADS astro-ph
Sodium Absorption Systems toward SN Ia 2014J Originate on Interstellar Scales K. Maeda, A. Tajitsu, K. S. Kawabata, R. J. Foley, S. Honda, Y. Moritani, M. Tanaka, O. Hashimoto, M. Ishigaki, J. D. Simon, M. M. Phillips, M. Yamanaka, D. Nogami, A. Arai, W. Aoki, K. Nomoto, D. Milisavljevic, P. A. Mazzali, A. M. Soderberg, M. Schramm, B. Sato, H. Harakawa, N. Morrell, and N. Arimoto, 2016, ApJ, 816, 57 ADS astro-ph
Triangulum II: Possibly a Very Dense Ultra-faint Dwarf Galaxy E. N. Kirby, J. G. Cohen, J. D. Simon, and P. Guhathakurta, 2015, ApJL, 814, L7 ADS astro-ph
Eight Ultra-faint Galaxy Candidates Discovered in Year Two of the Dark Energy Survey A. Drlica-Wagner, K. Bechtol, E. S. Rykoff, E. Luque, A. Queiroz, Y.-Y. Mao, R. H. Wechsler, J. D. Simon, B. Santiago, B. Yanny, E. Balbinot, S. Dodelson, A. Fausti Neto, D. J. James, T. S. Li, M. A. G. Maia, J. L. Marshall, A. Pieres, K. Stringer, A. R. Walker, T. M. C. Abbott, F. B. Abdalla, S. Allam, A. Benoit-Levy, G. M. Bernstein, E. Bertin, D. Brooks, E. Buckley-Geer, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, M. Crocce, L. N. da Costa, S. Desai, H. T. Diehl, J. P. Dietrich, P. Doel, T. F. Eifler, A. E. Evrard, D. A. Finley, B. Flaugher, P. Fosalba, J. Frieman, E. Gaztanaga, D. W. Gerdes, D. Gruen, R. A. Gruendl, G. Gutierrez, K. Honscheid, K. Kuehn, N. Kuropatkin, O. Lahav, P. Martini, R. Miquel, B. Nord, R. Ogando, A. A. Plazas, K. Reil, A. Roodman, M. Sako, E. Sanchez, V. Scarpine, M. Schubnell, I. Sevilla-Noarbe, R. C. Smith, M. Soares-Santos, F. Sobreira, E. Suchyta, M. E. C. Swanson, G. Tarle, D. Tucker, V. Vikram, W. Wester, Y. Zhang, and J. Zuntz, 2015, ApJ, 813, 109 ADS astro-ph
500 days of SN 2013dy: spectra and photometry from the ultraviolet to the infrared Y.-C.Pan, R. J. Foley, M. Kromer, O. D. Fox, W. Zheng, P. Challis, K. I. Clubb, A. V. Filippenko, G. Folatelli, M. L. Graham, W. Hillebrandt, R. P. Kirshner, W. H. Lee, R. Pakmor, F. Patat, M. M. Phillips, G. Pignata, F. Roepke, I. Seitenzahl, J. M. Silverman, J. D. Simon, A. Sternberg, M. D. Stritzinger, S. Taubenberger, J. Vinko, and J. C. Wheeler, 2015, MNRAS, 452, 4307 ADS astro-ph
Spectroscopic Confirmation of the Dwarf Galaxies Hydra II and Pisces II and the Globular Cluster Laevens 1 E. N. Kirby, J. D. Simon, and J. G. Cohen, 2015, ApJ, 810, 56 ADS astro-ph
Stellar Kinematics and Metallicities in the Ultra-faint Dwarf Galaxy Reticulum II J. D. Simon, A. Drlica-Wagner, T. S. Li, B. Nord, M. Geha, K. Bechtol, E. Balbinot, E. Buckley-Geer, H. Lin, J. Marshall, B. Santiago, L. Strigari, M. Wang, R. H. Wechsler, B. Yanny, T.Abbott, A. H. Bauer, G. M. Bernstein, E. Bertin, D. Brooks, D. L. Burke, D. Capozzi, A. Carnero Rosell, M. Carrasco Kind, C. B. D'Andrea, L. N. da Costa, D. L. DePoy, S. Desai, H. T. Diehl, S. Dodelson, C. E. Cunha, J. Estrada, A. E. Evrard, A. Fausti Neto, E. Fernandez, D. A. Finley, B. Flaugher, J. Frieman, E. Gaztanaga, D. Gerdes, D. Gruen, R. A. Gruendl, K. Honscheid, D. James, S. Kent, K. Kuehn, N. Kuropatkin, O. Lahav, M. A. G. Maia, M. March, P. Martini, C. J. Miller, R. Miquel, R. Ogando, A. K. Romer, A. Roodman, E. S. Rykoff, M. Sako, E. Sanchez, M. Schubnell, I. Sevilla, R. C. Smith, M. Soares-Santos, F. Sobreira, E. Suchyta, M. E. C. Swanson, G. Tarle, J. Thaler, D. Tucker, V. Vikram, A. R. Walker, and Wester, W., 2015, ApJ, 808, 95 ADS astro-ph
Eight New Milky Way Companions Discovered in First-year Dark Energy Survey Data K. Bechtol, A. Drlica-Wagner, E. Balbinot, A. Pieres, J. D. Simon, B. Yanny, B. Santiago, R. H. Wechsler, J. Frieman, A. R. Walker, P. Williams, E. Rozo, E. S. Rykoff, A. Queiroz, E. Luque, A. Benoit-Levy, D. Tucker, I. Sevilla, R. A. Gruendl, L. N. da Costa, A. Fausti Neto, M. A. G. Maia, T. Abbott, S. Allam, R. Armstrong, A. H. Bauer, G. M. Bernstein, R. A. Bernstein, E. Bertin, D. Brooks, E. Buckley-Geer, D. L. Burke, A. Carnero Rosell, F. J. Castander, R. Covarrubias, C. B. D'Andrea, D. L. DePoy, S. Desai, H. T. Diehl, T. F. Eifler, J. Estrada, A. E. Evrard, E. Fernandez, D. A. Finley, B. Flaugher, E. Gaztanaga, D. Gerdes, L. Girardi, M. Gladders, D. Gruen, G. Gutierrez, J. Hao, K. Honscheid, B. Jain, D. James, S. Kent, R. Kron, K. Kuehn, N. Kuropatkin, O. Lahav, T. S. Li, H. Lin, M. Makler, M. March, J. Marshall, P. Martini, K. W. Merritt, C. Miller, R. Miquel, J. Mohr, E. Neilsen, R. Nichol, B. Nord, R. Ogando, J. Peoples, D. Petravick, A. A. Plazas, A. K. Romer, A. Roodman, M. Sako, E. Sanchez, V. Scarpine, M. Schubnell, R. C. Smith, M. Soares-Santos, F. Sobreira, E. Suchyta, M. E. C. Swanson, G. Tarle, J. Thaler, D. Thomas, W. Wester, and J. Zuntz, 2015, ApJ, 807, 50 ADS astro-ph
Type IIb Supernova 2013df Entering into an Interaction Phase: A Link between the Progenitor and the Mass Loss K. Maeda, T. Hattori, D. Milisavljevic, G. Folatelli, M. R. Drout, H. Kuncarayakti, R. Margutti, A. Kamble, A. Soderberg, M. Tanaka, M. Kawabata, K. S. Kawabata, M. Yamanaka, K. Nomoto, J. H. Kim, J. D. Simon, M. M. Phillips, J. Parrent, T. Nakaoka, T. J. Moriya, A. Suzuki, K. Takaki, M. Ishigaki, I. Sakon, A. Tajitsu, and Iye, M., 2015, ApJ, 807, 35 ADS astro-ph
A Comprehensive Archival Search for Counterparts to Ultra-compact High-Velocity Clouds: Five Local Volume Dwarf Galaxies D. J. Sand, D. Crnojevic, P. Bennet, B. Willman, J. Hargis, J. Strader, E. Olszewski, E. J. Tollerud, J. D. Simon, N. Caldwell, P. Guhathakurta, B. L. James, S. Koposov, B. McLeod, N. Morrell, M. Peacock, R. Salinas, A. C. Seth, D. P. Stark, and E. Toloba, 2015, ApJ, 806, 95 ADS astro-ph
A Megacam Survey of Outer Halo Satellites. IV. Two Foreground Populations Possibly Associated with the Monoceros Substructure in the Direction of NGC 2419 and Koposov 2 J. A. Carballo-Bello, R. R. Munoz, J. L. Carlin, P. Cote, M. Geha, J. D. Simon, and S. G. Djorgovski, 2015, ApJ, 805, 51 ADS astro-ph
Chemical Signatures of the First Supernovae in the Sculptor Dwarf Spheroidal Galaxy J. D. Simon, H. R. Jacobson, A. Frebel, I. B. Thompson, J. J. Adams, and S. A. Shectman, 2015, ApJ, 802, 93 ADS astro-ph
Stellar Kinematics and Structural Properties of Virgo Cluster Dwarf Early-type Galaxies from the SMAKCED Project. III. Angular Momentum and Constraints on Formation Scenarios E. Toloba, P. Guhathakurta, A. Boselli, R. F. Peletier, E. Emsellem, T. Lisker, G. van de Ven, J. D. Simon, J. Falcon-Barroso, J. J. Adams, A. J. Benson, S. Boissier, M. den Brok, J. Gorgas, G. Hensler, J. Janz, E. Laurikainen, S. Paudel, A. Rys, and H. Salo, 2015, ApJ, 799, 172 ADS astro-ph
Trends in Dwarf Early-type Kinematics with Cluster-centric Radius Driven by Tidal Stirring A. J. Benson, E. Toloba, L. Mayer, J. D. Simon, and P. Guhathakurta, 2015, ApJ, 799, 171 ADS astro-ph
Comprehensive observations of the bright and energetic Type Iax SN 2012Z: Interpretation as a Chandrasekhar mass white dwarf explosion M. D. Stritzinger, S. Valenti, P. Hoeflich, E. Baron, M. M. Phillips, F. Taddia, R. J. Foley, E. Y. Hsiao, S. W. Jha, C. McCully, V. Pandya, J. D. Simon, S. Benetti, P. J. Brown, C. R. Burns, A. Campillay, C. Contreras, F. Forster, S. Holmbo, G. H. Marion, N. Morrell, and G. Pignata, 2015, A&A, 573, A2 ADS astro-ph
Stellar Kinematics and Structural Properties of Virgo Cluster Dwarf Early-type Galaxies from the SMAKCED Project. II. The Survey and a Systematic Analysis of Kinematic Anomalies and Asymmetries E. Toloba, P. Guhathakurta, R. F. Peletier, A. Boselli, T. Lisker, J. Falcon-Barroso, J. D. Simon, G. van de Ven, S. Paudel, E. Emsellem, J. Janz, M. den Brok, J. Gorgas, G. Hensler, E. Laurikainen, S.-M. Niemi, A. Rys, and H. Salo, 2014, ApJS, 215, 17 ADS astro-ph
The Quenching of the Ultra-faint Dwarf Galaxies in the Reionization Era T. M. Brown, J. Tumlinson, M. Geha, J. D. Simon, L. C. Vargas, D. A. VandenBerg, E. N. Kirby, J. S. Kalirai, R. J. Avila, M. Gennaro, H. C. Ferguson, R. R. Munoz, P. Guhathakurta, and A. Renzini, 2014, ApJ, 796, 91 ADS astro-ph
Discovery of a Close Pair of Faint Dwarf Galaxies in the Halo of Centaurus A D. Crnojevic, D. J. Sand, N. Caldwell, P. Guhathakurta, B. McLeod, A. Seth, J. D. Simon, J. Strader, and E. Toloba, 2014, ApJL, 795, L35 ADS astro-ph
Multi-epoch high-spectral-resolution observations of neutral sodium in 14 Type Ia supernovae A. Sternberg, A. Gal-Yam, J. D. Simon, F. Patat, W. Hillebrandt, M. M. Phillips, R. J. Foley, I. Thompson, N. Morrell, L. Chomiuk, A. M. Soderberg, D. Yong, A. L. Kraus, G. J. Herczeg, E. Y. Hsiao, S. Raskutti, J. G. Cohen, P. A. Mazzali, and K. Nomoto, 2014, MNRAS, 443, 1849 ADS astro-ph
Discovery of a New Faint Dwarf Galaxy Associated with NGC 253 D. J. Sand, D. Crnojevic, J. Strader, E. Toloba, J. D. Simon, N. Caldwell, P. Guhathakurta, B. McLeod, and A. C. Seth, 2014, ApJL, 793, L7 ADS astro-ph
Dwarf Galaxy Density Profiles Inferred From Stellar and Gas Kinematics J. J. Adams, J. D. Simon, M. H. Fabricius, R. C. E. van den Bosch, J. C. Barentine, R. Bender, K. Gebhardt, G. J. Hill, J. D. Murphy, R. A. Swaters, J. Thomas, and G. van de Ven, 2014, ApJ, 789, 63 ADS astro-ph
Segue 1: An Unevolved Fossil Galaxy from the Early Universe A. Frebel, J. D. Simon, and E. N. Kirby, 2014, ApJ, 786, 74 ADS astro-ph
Discovery and Observations of ASASSN-13db, an EX Lupi-Type Accretion Event on a Low-Mass T Tauri Star T. W.-S. Holoien, J. L. Prieto, K. Z. Stanek, C. S. Kochanek, B. J. Shappee, Z. Zhu, A. Sicilia-Aguilar, D. Grupe, K. Croxall, J. J. Adams, J. D. Simon, N. Morell S. M. McGraw, R. M. Wagner, U. Basu, J. F. Beacom, D. Bersier, J. Brimacombe, J. Jencson, G. Pojmanski, S. G. Starrfield, D. M. Szczygiel, and C. E. Woodward, 2014, ApJL, 785, L35 ADS astro-ph
On the Source of the Dust Extinction in Type Ia Supernovae and the Discovery of Anomalously Strong Na I Absorption M. M. Phillips, J. D. Simon, N. Morrell, C. R. Burns, N. L. J. Cox, R. J. Foley, A. I. Karakas, F. Patat, A. Sternberg, R. E. Williams, A. Gal-Yam, E. Y. Hsiao, D. C. Leonard, S. E. Persson, M. Stritzinger, I. B. Thompson, A. Campillay, C. Contreras, G. Folatelli, W. L. Freedman, M. Hamuy, M. Roth, G. A. Shields, N. B. Suntzeff, L. Chomiuk, I. I. Ivans, B. F. Madore, B. E. Penprase, D. Perley, G. Pignata, G. Preston, and A. M. Soderberg, 2013, ApJ, 779, 38 ADS astro-ph
A Statistical Analysis of Circumstellar Material in Type Ia Supernovae K. Maguire, M. Sullivan, F. Patat, A. Gal-Yam, I. M. Hook, S. Dhawan, D. A. Howell, P. Mazzali, P. E. Nugent, Y.-C. Pan, P. Podsiadlowski, J. D. Simon, A. Sternberg, S. Valenti, C. Baltay, D. Bersier, N. Blagorodnova, T.-W. Chen, N. Ellman, U. Feindt, F. Forster, M. Fraser, S. Gonzalez-Gaitan, M. L. Graham, C. Gutierrez, S. Hachinger, E. Hadjiyska, C. Inserra, C. Knapic, R. R. Laher, G. Leloudas, S. Margheim, R. McKinnon, M. Molinaro, N. Morrell, E. O. Ofek, D. Rabinowitz, A. Rest, D. Sand, R. Smareglia, S. J. Smartt, F. Taddia, E. S. Walker, N. A. Walton, and D. R. Young, 2013, MNRAS, 436, 222 ADS astro-ph
The Absolute Magnitude of RRc Variables from Statistical Parallax J. A. Kollmeier, D. M. Szczygiel, C. R. Burns, A. Gould, I. B. Thompson, G. W. Preston, C. Sneden, J. D. Crane, S. Dong, B. F. Madore, N. Morrell, J. L. Prieto, S. Shectman, J. D. Simon, and E. Villanueva, 2013, 775, 57 ADS astro-ph
A Megacam Survey of Outer Halo Satellites. II. Blue Stragglers in the Lowest Stellar Density Systems F. A. Santana, R. R. Munoz, M. Geha, P. Cote, P. Stetson, J. D. Simon, and S. G. Djorgovski, 2013, ApJ, 774, 106 ADS astro-ph
A Mass-dependent Yield Origin of Neutron-capture Element Abundance Distributions in Ultra-faint Dwarfs D. M. Lee, K. V. Johnston, J. Tumlinson, B. Sen, and J. D. Simon, 2013, ApJ, 774, 103 ADS astro-ph
A High-Resolution Spectroscopic Search for the Remaining Donor for Tycho's Supernova W. E. Kerzendorf, D. Yong, B. P. Schmidt, J. D. Simon, C. S. Jeffery, J. Anderson, P. Podsiadlowski, A. Gal-Yam, J. M. Silverman, A. V. Filippenko, K. Nomoto, S. J. Murphy, M. S. Bessell, K. A. Venn, and R. J. Foley, 2013, ApJ, 774, 99 ADS astro-ph
Dusty OB Stars in the Small Magellanic Cloud - II: Extragalactic Disks or Examples of the Pleiades Phenomenon? J. J. Adams, J. D. Simon, A. D. Bolatto, G. C. Sloan, K. M. Sandstrom, A. Schmiedeke, J. Th. van Loon, J. M. Oliveira, and L. D. Keller, 2013, ApJ, 771, 112 ADS astro-ph
Dusty OB Stars in the Small Magellanic Cloud - I: Optical Spectroscopy Reveals Predominantly Main-Sequence OB Stars H. A. Sheets, A. D. Bolatto, J. Th. van Loon, K. Sandstrom, J. D. Simon, J. M. Oliveira, and R. H. Barba, 2013, ApJ, 771, 111 ADS astro-ph
The Stellar Initial Mass Function of Ultra-Faint Dwarf Galaxies: Evidence for IMF Variations with Galactic Environment M. Geha, T. M. Brown, J. Tumlinson, J. Kalirai, J. D. Simon, E. Kirby, D. VandenBerg, R. M. Munoz, R. Avila, P. Guhathakurta, and H. Ferguson, 2013, ApJ, 771, 29 ADS astro-ph
The Distribution of Alpha Elements in Ultra-faint Dwarf Galaxies L. C. Vargas, M. Geha, E. N. Kirby, and J. D. Simon, 2013, ApJ, 767, 134 ADS astro-ph
Early-Stage Young Stellar Objects in the Small Magellanic Cloud J. M. Oliveira, J. Th. van Loon, G. C. Sloan, M. Sewilo, K. E. Kraemer, P. R. Wood, R. Indebetouw, M. D. Filipovic, E. J. Crawford, G. F. Wong, J. L. Hora, M. Meixner, T. P. Robitaille, B. Shiao, and J. D. Simon, 2013, MNRAS, 428, 3001 ADS astro-ph
Searching for Non-Axisymmetries in NGC 6503: A Weak End-On Bar R. Kuzio de Naray, C. A. Arsenault, K. Spekkens, J. A. Sellwood, M. McDonald, J. D. Simon, and P. Teuben, 2012, MNRAS, 427, 2523 ADS astro-ph
The Infrared Light Curve of SN 2011fe in M101 and the Distance to M101 T. Matheson, R. R. Joyce, L. E. Allen, A. Saha, D. R. Silva, W. M. Wood-Vasey, J. J. Adams, R. E. Anderson, T. L. Beck, M. C. Bentz, M. A. Bershady, W. S. Binkert, K. Butler, M. A. Camarata, A. Eigenbrot, M. Everett, J. S. Gallagher, P. M. Garnavich, E. Glikman, D. Harbeck, J. R. Hargis, H. Herbst, E. P. Horch, S. B. Howell, S. Jha, J. F. Kaczmarek, P. Knezek, E. Manne-Nicholas, R. D. Mathieu, M. Meixner, K. Milliman, J. Power, J. Rajagopal, K. Reetz, K. L. Rhode, A. Schechtman-Rook, M. E. Schwamb, H. Schweiker, B. Simmons, J. D. Simon, D. Summers, M. D. Young, A. Weyant, E. M. Wilcots, G. Will, and D. Williams, 2012, ApJ, 754, 19 ADS astro-ph
The Primeval Populations of the Ultra-Faint Dwarf Galaxies T. M. Brown, J. Tumlinson, M. Geha, E. N. Kirby, D. A. VandenBerg, R. R. Munoz, J. S. Kalirai, J. D. Simon, R. J. Avila, P. Guhathakurta, A. Renzini, and H. C. Ferguson, 2012, ApJL, 753, L21 ADS astro-ph
The Discovery of an Ultra-faint Star Cluster in the Constellation of Ursa Minor R. R. Munoz, M. Geha, P. Cote, L. C. Vargas, F. A. Santana, P. Stetson, J. D. Simon, and S. G. Djorgovski, 2012, ApJL, 753, L15 ADS astro-ph
Linking Type Ia Supernova Progenitors and their Resulting Explosions R. J. Foley, J. D. Simon, C. R. Burns, A. Gal-Yam, M. Hamuy, R. P. Kirshner, N. I. Morrell, M. M. Phillips, G. A. Shields, and A. Sternberg, 2012, ApJ, 752, 101 ADS astro-ph
The Spitzer Spectroscopic Survey of the Small Magellanic Cloud (S4MC): Probing the Physical State of Polycyclic Aromatic Hydrocarbons in a Low-Metallicity Environment K. M. Sandstrom, A. D. Bolatto, C. Bot, B. T. Draine, J. G. Ingalls, F. P. Israel, J. M. Jackson, A. K. Leroy, A. Li, M. Rubio, J. D. Simon, J. D. T. Smith, S. Stanimirovic, A. G. G. M. Tielens, and J. Th. van Loon, 2012, ApJ, 744, 20 ADS astro-ph
Structure and Dynamics of the Globular Cluster Palomar 13 J. D. Bradford, M. Geha, R. Munoz, F. A. Santana, J. D. Simon, P. Cote, P. B. Stetson, E. Kirby, and S. G. Djorgovski, 2011, ApJ, 743, 167 ADS astro-ph
Circumstellar Material in Type Ia Supernovae via Sodium Absorption Features A. Sternberg, A. Gal-Yam, J. D. Simon, D. C. Leonard, R. M. Quimby, M. M. Phillips, N. Morrell, I. B. Thompson, I. Ivans, J. L. Marshall, A. V. Filippenko, G. W. Marcy, J. S. Bloom, F. Patat, R. J. Foley, D. Yong, B. E. Penprase, D. J. Beeler, C. Allende Prieto, and G. S. Stringfellow, 2011, Science, 333, 856 ADS astro-ph
Willman 1 - A Probable Dwarf Galaxy With An Irregular Kinematic Distribution B. Willman, M. Geha, J. Strader, L. E. Strigari, J. D. Simon, E. Kirby, and A. Warres, 2011, AJ, 142, 128 ADS astro-ph
Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low Metallicity Small Magellanic Cloud (SAGE-SMC). I. Overview K. D. Gordon, M. Meixner, M. Meade, B. A. Whitney, C. W. Engelbracht, C. Bot, M. L. Boyer, B. Lawton, M. Sewilo, B. L. Babler, J.-P. Bernard, S. Bracker, M. Block, R. D. Blum, A. D. Bolatto, A. Z. Bonanos, J. Harris, J. L. Hora, R. Indebetouw, K. A. Misselt, W. T. Reach, B. Shiao, A. Tielens, L. R. Carlson, E. B. Churchwell, G. C. Clayton, C.-H. R. Chen, M. Cohen, J. L. Fukui, V. Gorjian, S. Hony, F. Israel, A. Kawamura, F. Kemper, A. K. Leroy, A. Li, S. C. Madden, A. R. Marble, I. McDonald, A. Mizuno, N. Mizuno, E. Muller, J. Oliveira, K. A. G. Olsen, T. Onishi, R. Paladini, D. Paradis, S. Points, T. Robitaille, D. Rubin, K. Sandstrom, S. Sato, H. Shibai, J. D. Simon, L. J. Smith, S. Srinivasan, U. P. Vijh, S. D. Van Dyk, J. Th, van Loon, and D. F. Zaritsky, 2011, AJ, 142, 102 ADS astro-ph
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: Dark Matter Content, Stellar Membership and Binary Properties from a Bayesian Analysis G. D. Martinez, Q. E. Minor, J. Bullock, M. Kaplinghat, J. D. Simon, and M. Geha, 2011, ApJ, 738, 55 ADS astro-ph
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy J. D. Simon, M. Geha, Q. E. Minor, G. D. Martinez, E. N. Kirby, J. S. Bullock, M. Kaplinghat, L. E. Strigari, B. Willman, P. I. Choi, E. J. Tollerud, and J. Wolf, 2011, ApJ, 733, 46 ADS astro-ph
Spectroscopic Discovery of the Broad-Lined Type Ic Supernova 2010bh Associated with the Low-Redshift GRB 100316D R. Chornock, E. Berger, E. M. Levesque, A. M. Soderberg, R. J. Foley, D. B. Fox, A. Frebel, J. D. Simon, J. J. Bochanski, P. J. Challis, R. P. Kirshner, P. Podsialowski, K. Roth, R. E. Rutledge, B. P. Schmidt, S. S. Sheppard, and R. A. Simcoe, 2010, submitted to ApJL astro-ph
An Emerging Class of Bright, Fast-evolving Supernovae with Low-mass Ejecta H. B. Perets, C. Badenes, I. Arcavi, J. D. Simon, and A. Gal-Yam, 2011, ApJ, 730, 89 ADS astro-ph
Multi-Element Abundance Measurements from Medium-Resolution Spectra. III. Metallicity Distributions of Milky Way Dwarf Satellite Galaxies E. N. Kirby, G. A. Lanfranchi, J. D. Simon, J. G. Cohen,, and P. Guhathakurta, 2011, ApJ, 727, 78 ADS astro-ph
Ice Chemistry in Massive Young Stellar Objects: The Role of Metallicity J. M. Oliveira, J. Th. van Loon, G. C. Sloan, R. Indebetouw, F. Kemper, A. G. G. M. Tielens J. D. Simon, P. M. Woods, and M. Meixner, 2011, MNRAS, 411, L36 ADS astro-ph
Multi-Element Abundance Measurements from Medium-Resolution Spectra. II. Catalog of Stars in Milky Way Dwarf Satellite Galaxies E. N. Kirby, P. Guhathakurta, J. D. Simon, M. C. Geha, C. M. Rockosi, C. Sneden, J. G. Cohen, S. T. Sohn, S. R. Majewski, and M. Siegel, 2010, ApJS, 191, 352 ADS astro-ph
NGC 2419 -- Another Remnant of Accretion by the Milky Way J. G. Cohen, E. N. Kirby, J. D. Simon, and M. Geha, 2010, ApJ, 725, 288 ADS astro-ph
Indirect Dark Matter Detection Limits from the Ultra-Faint Milky Way Satellite Segue 1 R. Essig, N. Sehgal, L. E. Strigari, M. Geha, and J. D. Simon, 2010, PRD, 82, 123503 ADS astro-ph
The Youngest Massive Protostars in the Large Magellanic Cloud M. Sewilo, R. Indebetouw, L. R. Carlson, B. Whitney, C.-H. R. Chen, M. Meixner, T. Robitaille, J. Th. van Loon, J. M. Oliveira, E. Churchwell, J. D. Simon, S. Hony, P. Panuzzo, M. Sauvage, J. Roman-Duval, K. Gordon, C. Engelbracht, K. Misselt, K. Okamura, T. Beck, J. Hora, and P. M. Woods, 2010, A & A, 518, L73 ADS astro-ph
HERschel Inventory of The Agents of Galaxy Evolution (HERITAGE): The Large Magellanic Cloud dust M. Meixner, F. Galliano, S. Hony, J. Roman-Duval, T. Robitaille, P. Panuzzo, M. Sauvage, K. Gordon, C. Engelbracht, K. Misselt, K. Okumura, T. Beck, J.-P. Bernard, A. Bolatto, C. Bot, M. Boyer, S. Bracker, L. R. Carlson, G. C., Clayton, C.-H. R. Chen, E. Churchwell, Y. Fukui, M. Galametz, J. L. Hora, A. Hughes, R. Indebetouw, F. P. Israel, A. Kawamura, F. Kemper, S. Kim, E. Kwon, B. Lawton, A. Li, K. S. Long, M. Marengo, S. C. Madden, M. Matsuura, J. M. Oliveira, T. Onishi, M. Otsuka, D. Paradis, A. Poglitsch, D. Riebel, W. T. Reach, M. Rubio, B. Sargent, M. Sewilo, J. D. Simon, R. Skibba, L. J. Smith, S. Srinivasan, A. G. G. M. Tielens, J. Th. van Loon, B. Whitney, and P. M. Woods, 2010, A & A, 518, L71 ADS astro-ph
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Leo IV J. D. Simon, A. Frebel, A. McWilliam, E. N. Kirby, and I. B. Thompson, 2010, ApJ, 716, 446 ADS astro-ph
Accurate Masses for Dispersion-Supported Galaxies J. Wolf, G. D. Martinez, J. S. Bullock, M. Kaplinghat, M. Geha, R. R. Munoz, J. D. Simon, and F. F. Avedo, 2010, MNRAS, 406, 1220 ADS astro-ph
Planetary Nebulae in M33: Probes of AGB Nucleosynthesis and ISM Abundances F. Bresolin, G. Stasinska, J. M. Vilchez, J. D. Simon, and E. Rosolowsky, 2010, MNRAS, 404, 1679 ADS astro-ph
Linking Dwarf Galaxies to Halo Building Blocks With the Most Metal-Poor Star in Sculptor A. Frebel, E. Kirby, and J. D. Simon, 2010, Nature, 464, 72 ADS astro-ph
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Ursa Major II and Coma Berenices A. Frebel, J. D. Simon, M. Geha, and B. Willman, 2010, ApJ, 708, 560 ADS astro-ph
Spectroscopic Confirmation of the Pisces Overdensity J. A. Kollmeier, A. Gould, S. Shectman, I. B. Thompson, G. W. Preston, J. D. Simon, J. D. Crane, Z. Ivezic, and B. Sesar, 2009, ApJL, 705, L158 ADS astro-ph
Variable Sodium Absorption in a Low-Extinction Type Ia Supernova J. D. Simon, A. Gal-Yam, O. Gnat, R. M. Quimby, M. Ganeshalingam, J. M. Silverman, S. Blondin, W. Li, A. V. Filippenko, J. C. Wheeler, R. P. Kirshner, F. Patat, P. Nugent, R. J. Foley, S. S. Vogt, R. P. Butler, K. M. G. Peek, E. Rosolowsky, G. J. Herczeg, D. N. Sauer, and P. A. Mazzali, 2009, ApJ, 702, 1157 ADS astro-ph
The Least Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1 M. Geha, B. Willman, J. D. Simon, L. E. Strigari, E. N. Kirby, D. R. Law, and J. Strader, 2009, ApJ, 692, 1464 ADS astro-ph
The Chemical Abundances of Tycho G in Supernova Remnant 1572 J. I. Gonzalez Hernandez, P. Ruiz-Lapuente, A. V. Filippenko, R. J. Foley, A. Gal-Yam, and J. D. Simon, 2009, ApJ, 691, 1 ADS astro-ph
GALEX Spectroscopy of SN 2005ay Suggests a UV Spectral Uniformity Among Type II-P Supernovae A. Gal-Yam, F. Bufano, T. Barlow, E. Baron, S. Benetti, E. Cappellaro, P. J. Challis, R. S. Ellis, A. V. Filippenko, R. J. Foley, D. B. Fox, R. P. Kirshner, D. C. Leonard, W. Li, D. Maoz, T. Matheson, P. A. Mazzali, M. Modjaz, K. Nomoto, E. O. Ofek, J. D. Simon, T. Small, G. P. Smith, M. Turatto, S. D. Van Dyk, and L. Zampieri, 2008, ApJ, 685, L117 ADS astro-ph
Uncovering the Extremely Metal-Poor Stars in the Ultra-Faint Dwarf Spheroidal Galaxies E. N. Kirby, J. D. Simon, M. Geha, P. Guhathakurta, and A. Frebel, 2008, ApJ, 685, L43 ADS astro-ph
A Common Mass Scale for Satellite Galaxies of the Milky Way L. E. Strigari, J. S. Bullock, M. Kaplinghat, J. D. Simon, M. Geha, B. Willman, and M. G. Walker, 2008, Nature, 454, 1096 ADS astro-ph
An Extremely Luminous X-ray Outburst at the Birth of a Supernova A. M. Soderberg, E. Berger, K. L. Page, P. Schady, J. Parrent, D. Pooley, X.-Y. Wang, E. O. Ofek, A. Cucchiara, A. Rau, E. Waxman, J. D. Simon, D. C. Bock, P. A. Milne, M. J. Page, J. C. Barentine, S. D. Barthelmy, A. P. Beardmore, M. F. Bietenholz, P. Brown, A. Burrows, D. N. Burrows, G. Byrngelson, S. B. Cenko, P. Chandra, J. R. Cummings, D. B. Fox, A. Gal-Yam, N. Gehrels, S. Immler, M. Kasliwal, A. K. H. Kong, H. A. Krimm, S. R. Kulkarni, T. J. Maccarone, P. Meszaros, E. Nakar, P. T. O'Brien, M. de Pasquale, J. Racusin, N. Rea, and D. G. York, 2008, Nature, 453, 469 ADS astro-ph
The Most Dark Matter Dominated Galaxies: Predicted Gamma-ray Signals from the Faintest Milky Way Dwarfs L. E. Strigari, S. M. Koushiappas, J. S. Bullock, M. Kaplinghat, J. D. Simon, M. Geha, and B. Willman, 2008, ApJ, 678, 614 ADS astro-ph
The M33 Metallicity Project: Resolving the Abundance Gradient Discrepancies in M33 E. Rosolowsky and J. D. Simon, 2008, ApJ, 675, 1213 ADS astro-ph
Constraints on Circumstellar Material Around the Type Ia Supernova 2007af J. D. Simon, A. Gal-Yam, B. E. Penprase, W. Li, R. M. Quimby, J. M. Silverman, C. Allende Prieto, J. C. Wheeler, A. V. Filippenko, I. T. Martinez, D. J. Beeler, and F. Patat, 2007, ApJ, 671, L25 ADS astro-ph
The Kinematics of the Ultra-Faint Milky Way Satellites: Solving the Missing Satellite Problem J. D. Simon and M. Geha, 2007, ApJ, 670, 313 ADS astro-ph
The Spitzer Survey of the Small Magellanic Cloud: Discovery of Embedded Protostars in the HII region NGC 346 J. D. Simon, A. D. Bolatto, B. A. Whitney, T. P. Robitaille, R. Y. Shah, D. Makovoz, S. Stanimirovic, R. H. Barba, and M. Rubio, 2007, ApJ, 669, 327 ADS astro-ph
Upper Limit for Circumstellar Gas Around the Type Ia SN 2000cx F. Patat, S. Benetti, S. Justham, P. A. Mazzali, L. Pasquini, E. Cappellaro, M. Della Valle, Ph. Podsiadlowski, M. Turatto, A. Gal-Yam, and J. D. Simon, 2007, A&A, 474, 931 ADS astro-ph
Detection of Circumstellar Material in a Normal Type Ia Supernova F. Patat, P. Chandra, S. Justham, Ph. Podsiadlowski, C. Wolf, A. Gal-Yam, L. Pasquini, I. A. Crawford, P. A. Mazzali, A. W. A. Pauldrach, K. Nomoto, S. Benetti, E. Cappellaro, N. Elias-Rosa, W. Hillebrandt, D. C. Leonard, A. Pastorello, A. Renzini, F. Sabbadin, J. D. Simon, and M. Turatto, 2007, Science, 317, 924 ADS astro-ph
Self-Consistent Massive Disks in Triaxial Dark Matter Halos J. Bailin, J. D. Simon, A. D. Bolatto, B. K. Gibson, and C. Power, 2007, ApJ, 667, 191 ADS astro-ph
A High-Resolution Spectrum of the Extremely Metal-Rich Bulge G-Dwarf OGLE-2006-BLG-265 J. A. Johnson, A. Gal-Yam, D. C. Leonard, J. D. Simon, A. Udalski, and A. Gould, 2007, ApJ, 655, L33 ADS astro-ph
The Spitzer Survey of the Small Magellanic Cloud: S3MC Imaging and Photometry in the Mid- and Far-Infrared Wavebands A. D. Bolatto, J. D. Simon, S. Stanimirovic, J. Th. van Loon, R. Y. Shah, K. Venn, A. K. Leroy, K. Sandstrom, J. M. Jackson, F. P. Israel, A. Li, L. Staveley-Smith, C. Bot, F. Boulanger, and M. Rubio, 2007, ApJ, 655, 212 ADS astro-ph
Is There a Fundamental Line for Disk Galaxies? J. D. Simon, F. Prada, J. M. Vilchez, L. Blitz, and B. Robertson, 2006, ApJ, 649, 709 ADS astro-ph
The Cosmological Significance of High-Velocity Cloud Complex H J. D. Simon, L. Blitz, A. A. Cole, M. D. Weinberg, and M. Cohen, 2006, ApJ, 640, 270 ADS astro-ph
Spitzer Space Telescope Detection of the Young Supernova Remnant 1E 0102.2-7219 S. Stanimirovic, A. D. Bolatto, K. Sandstrom, A. K. Leroy, J. D. Simon, B. M. Gaensler, R. Y. Shah, and J. M. Jackson, 2005, ApJ, 632, L103 ADS astro-ph
The Molecular ISM of Dwarf Galaxies on Kiloparsec Scales: A New Survey for CO in Northern, IRAS-Detected Dwarf Galaxies A. K. Leroy, A. D. Bolatto, J. D. Simon, and L. Blitz, 2005, ApJ, 625, 763 ADS astro-ph
High-Resolution Measurements of the Halos of Four Dark Matter-Dominated Galaxies: Deviations from a Universal Density Profile J. D. Simon, A. D. Bolatto, A. K. Leroy, L. Blitz, and E. L. Gates 2005, ApJ, 621, 757 ADS astro-ph
High-Resolution Measurements of the Dark Matter Halo of NGC 2976: Evidence for a Shallow Density Profile J. D. Simon, A. D. Bolatto, A. K. Leroy, and L. Blitz, 2003, ApJ, 596, 957 ADS astro-ph
HI Imaging of LGS 3 and an Apparently Interacting High-Velocity Cloud T. Robishaw, J. D. Simon, and L. Blitz, 2002, ApJ, 580, L129 ADS astro-ph
The Absence of Stars in Compact High-Velocity Clouds J. D. Simon and L. Blitz, 2002, ApJ, 574, 726 ADS astro-ph
The Density Profile of the Dark Matter Halo of NGC 4605 A. D. Bolatto, J. D. Simon, A. K. Leroy, and L. Blitz, 2002, ApJ, 565, 238 ADS astro-ph
Maximizing Science in the Era of LSST: A Community-Based Study of Needed US Capabilities J. Najita, B. Willman, D. P. Finkbeiner, R. J. Foley, S. Hawley, J. A. Newman, G. Rudnick, J. D. Simon, D. Trilling, R. Street, A. Bolton, R. Angus, E. F. Bell, D. Buzasi, D. Ciardi, J. R. A. Davenport, W. Dawson, M. Dickinson, A. Drlica-Wagner, J. Elias, D. Erb, L. Feaga, W. Fong, E. Gawiser, M. Giampapa, P. Guhathakurta, J. L. Hoffman, H. Hsieh, E. Jennings, K. V. Johnston, V. Kashyap, T. S. Li, E. Linder, R. Mandelbaum, P. Marshall, T. Matheson, S. Meibom, B. W. Miller, J. O'Meara, V. Reddy, S. Ridgway, C. M. Rockosi, D. J. Sand, C. Schafer, S. Schmidt, B. Sesar, S. S. Sheppard, C. A. Thomas, E. J. Tollerud, J. Trump, and A. von der Linden, 2016, A report on the Kavli Futures Symposium organized by NOAO and LSST ADS astro-ph
A Hubble Astrometry Initiative: Laying the Foundation for the Next-Generation Proper-Motion Survey of the Local Group N. Kallivayalil, A. R. Wetzel, J. D. Simon, M. Boylan-Kolchin, A. J. Deason, T. K. Fritz, M. Geha, S. T. Sohn, and D. R. Weisz, 2015, white paper for Hubble's 2020 Vision ADS astro-ph
Supernova 2010bh R. Chornock, A. M. Soderberg, R. J. Foley, E. Berger, A. Frebel, P. Challis, J. D. Simon, & S. Sheppard, 2010, CBET 2228, 1 CBET
GRB 100316D: Spectroscopic Discovery of a Supernova from Magellan R. Chornock, A. M. Soderberg, R. J. Foley, E. Berger, A. Frebel, P. Challis, J. D. Simon, & S. Sheppard, 2010, GCN Circular 10541 GCN
Extremely Metal-Poor Stars in Dwarf Galaxies A. Frebel, J. D. Simon, E. Kirby, M. Geha, and B. Willman, 2010, IAU Symposium, 265, 237 ADS
LSST Science Book 245 authors, 2009 astro-ph
A Candidate Near-Infrared Counterpart to IGRJ 17511-3057 M. A. P. Torres, P. G. Jonker, D. Steeghs, J. D. Simon, & G. Gutowski, 2009, Astronomer's Telegram 2216 ATel
ROTSE3 J125642.7+273041 Is Probably a Type Ia Supernova of Intergalactic Origin A. Gal-Yam & J. D. Simon, 2008, Astronomer's Telegram 1617 ATel
A Metallicity Map of M33 J. D. Simon & E. Rosolowsky, 2007, ASP Conference Series 396, 23 astro-ph
Supernova 2007on Is Probably a Young Type Ia Event A. Gal-Yam, J. D. Simon, A. Klotz, & E. Rosolowsky, 2007, Astronomer's Telegram 1263 ATel
Infrared Sources in the Small Magellanic Cloud: First Results J. D. Simon, A. D. Bolatto, S. Stanimirovic, R. Y. Shah, A. K. Leroy, and K. Sandstrom, 2006, ASP Conference Series 381: Infrared Diagnostics of Galaxy Evolution, 381, 189 astro-ph
Dark Matter in Dwarf Galaxies: High Resolution Observations A. D. Bolatto, J. D. Simon, A. K. Leroy, and L. Blitz, 2004, IAU Symposium, 220, 353 ADS astro-ph
Molecular Gas in Nearby Dwarf Galaxies: Single Dish and Interferometric Results A. K. Leroy, A. D. Bolatto, J. D. Simon, L. Blitz, and F. Walter 2004, The Dense Interstellar Medium in Galaxies, 155 ADS astro-ph
Dark Matter in Dwarf Galaxies: The First Dark Galaxy? J. D. Simon, T. Robishaw, and L. Blitz, 2004, ASP Conference Series 327: Satellites and Tidal Streams, 327, 32 ADS astro-ph
Dark Matter in Dwarf Galaxies: Latest Density Profile Results J. D. Simon, A. D. Bolatto, A. K. Leroy, and L. Blitz, 2004, ASP Conference Series 327: Satellites and Tidal Streams, 327, 18 ADS astro-ph
CONFERENCES ATTENDED
AWARDS
RESEARCH AND TEACHING EXPERIENCE