Nathaniel Roth Curriculum Vitae Department of Astronomy University of Maryland, College Park Physical Sciences Complex (415), Room 1113 College Park, MD 20742-2421 (215) 260 4823 nroth@astro.umd.edu www.astro.umd.edu/ nroth/ 2016 Present Research Interests I develop and perform radiative transfer calculations to connect models of astrophysical phenomena such as tidal disruption events to observations. Education and Employment Joint Space-Science Institute Prize Fellow, University of Maryland, College Park, College Park, MD. 2009 2016 Ph.D. in Physics, University of California, Berkeley, Berkeley, CA, Advisor: Daniel Kasen. 2005 2009 B.S. in Physics, Yale University, New Haven, CT, Graduated summa cum laude. Honors and Awards (Individual) 2015 Berkeley Distinguished Graduate Fellow (University Award). 2010 2013 Department of Energy Office of Science Graduate Fellowship (National Award). 2009 2010 Frederick and Edith Ehrman Fellowship (UC Berkeley Physics Department Award). 2009 Howard L. Schultz Prize. (Yale University Physics Department Award). 2008 Phi Beta Kappa (National Award). 2007 Benjamin F. Barge Prize (Yale University Mathematics Department Award). Group Awards 2013 APS Award for Improving Undergraduate Physics Education, as a member of the Compass Project at UC Berkeley (National Award). Publications Five first-author research publications (four reviewed, one submitted for review). Three additional co-authored research papers. One co-authored paper on physics education. Please see attached publication list.
Teaching Experience 2017/04 Substitute Lecturer: Special Problems in Astronomy; Stellar Structure and Evolution. 2011 Instructor for the Summer Program of the Berkeley Compass Project. 2010 Graduate Student Instructor: Introductory Physics. 2009 Graduate Student Instructor: Physics for Scientists and Engineers. Research Talks Invited 2017/09 Cambridge University; TDE17: Piercing the Sphere of Influence: Connecting TDE Spectra to Post-Disruption Hydrodynamics. 2016/11 University of Maryland, College Park; Joint Space-Science Institute Mini-Symposium: Demystifying Tidal Disruption Events by Modeling Their Optical Spectra. 2016/10 Johns Hopkins University; Center for Astronomical Sciences Wine and Cheese Seminar: What Sets the Line Widths of Tidal Disruption Events? 2016/10 University of Maryland, College Park; Twenty-minute Colloquium: What Sets the Line Widths of Tidal Disruption Events? 2016/04 Palomar Mountain, California; Palomar Transient Factor Theory Network Meeting: Update on TDE Radiative Transfer Modeling. 2015/10 University of California, Berkeley; Palomar Transient Factory Theory Network Meeting: Tidal Disruption Events. Contributed 2017/07 George Washington University; AstroCon DC 2017: What Sets the Line Profiles in Tidal Disruption Events? 2017/01 Grapevine, Texas; Contributed talk at the 229th meeting of the American Astronomical Society: What Sets the Line Widths in Tidal Disrutpion Events? 2016/06 Athens, Greece; European Week of Astronomy and Space Science: Modeling the Diverse Optical Spectra of TDEs. 2016/01 Kissimee, Florida; Dissertation Talk at the 227th meeting of the American Astronomical Society: Radiatve transfer Models of Tidal Disruption Events: What Sets their Emission Line Strengths and Total Optical Flux. 2015/12 University of Maryland; Astronomy seminar: The X-ray through Optical Fluxes of Tidal Disruption Events. 2015/12 Columbia University; Astronomy seminar: The X-ray through Optical Fluxes of Tidal Disruption Events. 2015/11 Harvard-Smithsonian Center for Astrophysics; Small-scale phenomena seminar: Radiatve transfer Models of Tidal Disruption Events: What Sets their Emission Line Strengths and Total Optical Flux.
2015/11 California Institute of Technology; TAPIR seminar: The X-ray through Optical Fluxes of Tidal Disruption Events. 2015/11 The Hebrew University of Jerusalem; Jerusalem Tidal Disruption Workshop: Modeling the Opptical Emission from TDEs. 2014/12 Harvard-Smithsonian Center for Astrophysics; ITC Luncheon Seminar: Modeling the optical/uv Emission from Tidal Disruption Events. 2014/10 University of California, Berkeley; Berkeley Fluids Seminar: Astrophysical radiationhydrodynamics using Monte Carlo Radiative Transfer. 2014/10 University of California, Berkeley; Astronomy Department Lunch Talk: Radiative transfer studies of tidal disruption events. 2011/10 The College of Charleston; AGN winds in Charleston: Anisotropic Dust-Driven Winds Simulated Using Monte Carlo Radiative Transport. Poster Presentations 2017/07 U.S. Virgin Islands; Unveiling the Physics Behind Extreme AGN Variability: What Sets the Line Profiles in Tidal Disruption Events? 2017/06 Jekyll Island, Georgia; AGN Winds on the Georgia Coast: Inferring Outflow Properties of Tidal Disruption Events via Analysis of Optical Spectra. 2015/01 Seattle, Washington; 225th Meeting of the American Astronomical Society: Modeling the Optical/UV Emission from Tidal Disruption Events. 2015/01 Seattle, Washington; 225th Meeting of the American Astronomical Society: A Community of Educators: Professional Development for Graduate Students within the Berkeley Compass Project. 2012/09 UC Berkeley; Star Formation and the Interstellar Medium: Thirty-Five Years Later: The Dynamics of Ultra-Compact HII regions. 2012/08 Brookhaven National Laboratory; Department of Energy Office of Science Graduate Fellowship Program Annual Research Meeting: Radiative Transfer Study of Outflows from Clumpy, Dusty Gas Surrounding Super-massive Black Holes. 2012/01 Austin, Texas; 219th Meeting of the American Astronomical Society: Dust-Driven Winds from Accreting Super-massive Black Holes Simulated Using Monte Carlo Radiative Transfer. 2011/08 Oak Ridge National Laboratory; Department of Energy Office of Science Graduate Fellowship Program Annual Research Meeting: A study of Active Galactic Nucleus Feedback Using Monte Carlo Radiative Transfer. Service Referee 2016/11 Referred one article for Nature Astronomy. 2012/04 Referred one article for Monthly Notices of the Royal Astronomical Society.
2017/09 present 2017/04 present Other Co-organizer of weekly department journal club. Founded weekly department disucssion group on the topic of tidal disruption events and other AGN variability. Outreach Talks 2017/11 Prince George s Community College; GRAD-MAP Collaborative Seminar Series: Super- Massive Black Holes and Tidal Disruption Events. 2017/10 University of Maryland Observatory; Open House Talk: Disrupted! A Tale of Supermassive Black Holes and the Stars that Get Too Close to Them. 2017/07 University of Maryland, College Park; GRAD-MAP Mini-Lecture: Super-Massive Black Holes and Tidal Disruption Events. 2017/04 University of Maryland, College Park; Astroterps (undegraduate astronomy society) Talk: Disrupted! What happens when a star wanders too close to a super-massive black hole 2016/11 Baltimore City Community College; GRAD-MAP Collaborative Seminar Series: Investigating the Origin and Impact of Super-Massive Black Holes. Other activities 2017/06 GRAD-MAP (a UMD Physics and Astronomy Diveristy Initiative) Coding Office Hours. 2010 2014 Undergraduate mentor to two students, as part of the Berkeley Compass Project mentoring program. 2010 2016 Web co-administrator for the Berkeley Compass Project.
Publication List First-authored Nathaniel Roth and Daniel Kasen. What Sets the Line Profiles in Tidal Disruption Events? 2017, arxiv:1707.02993, submitted to The Astrophysical Journal. Nathaniel Roth, Daniel Kasen, James Guillochon, and Enrico Ramirez-Ruiz. The X-ray through Optical Fluxes and Line Strengths of Tidal Disruption Events. 2016, The Astrophysical Journal. Volume 827, Issue 1, article id. 3. Nathaniel Roth and Daniel Kasen. Monte Carlo Radiation-Hydrodynamics With Implicit Methods. 2015, The Astrophysical Journal Supplement, Volume 217, Issue 1, article id. 9. Nathaniel Roth, Steven W. Stahler, and Eric Keto. The Dynamics of Ultra-Compact HII Regions. 2014, Monthly Notices of the Royal Astronomical Society, Volume 438, Issue 2, page 1335. Nathaniel Roth, Daniel Kasen, Philip F. Hopkins, and Eliot Quataert. Threedimensional Radiative Transfer Calculations of Radiation Feedback from Massive Black Holes: Outflow of Mass from the Dusty Torus. 2012, The Astrophysical Journal. Volume 759, Issue 1, article id. 3. Co-authored Tiara Hung, Suvi Gezari, Nadejda Blagorodnova, Nathaniel Roth, et al. Revisiting Optical Tidal Disruption Events with iptf16axa. 2017, The Astrophysical Journal, Volume 842, Issue 1, article id. 29. S. Bradley Cenko, Antonio Cucchiara, Nathaniel Roth, et al. An Ultraviolet Spectrum of the Tidal Disruption Flare ASASSN-14li. 2016, The Astrophysical Journal Letters, Volume 818, Issue 2, article id. L32. Richard Easther, Hal Finkel, and Nathaniel Roth. PSpectRe: a pseudo-spectral code for (P)reheating. 2010, Journal of Cosmology and Astroparticle Physics, Issue 10, id. 025.
Physics Education Publications Punit Gandhi, Joel Corbo, Gloria Lee, and Nathaniel Roth. The Compass Project: Charting a new Course in Physics Education. 2013, Points of View column in Physics Today Online. <http://scitation.aip.org/content/aip/magazine/physicstoday/news/10.1063/pt.4.0003>. Dimitri Dounas-Fraser, Jacob Lynn, Anna M. Zaniewski, and Nathaniel Roth. Learning About Non-Newtonian Fluids in a Student-Driven Classroom. 2013, The Physics Teacher, Volume 51, Issue 1, page 32.