Education
- PhD Physics and Astronomy, McMaster University 2017
- BSc Physics with Computer Science Minor, University of Calgary 2011
Research Experience
- Universität Heidelberg, Postdoctoral Research Associate, 2017-present
- McMaster University, Postdoctoral Research Associate, 2017
- McMaster University, PhD Thesis project, stellar feedback processes in galaxy simulations. 2011-2017
- University of Calgary, Median stacking for radio polarization project, 2009-2010
- University of Calgary, Source finding software evaluation with POSSUM Working Group 2, Summer 2010
- University of Calgary, Radio Emission and Polarization of Optically Selected AGN Host Galaxies, Physics 599 Independent Research Project, Fall 2010
Awards
- Clifton W. Sherman Graduate Scholarship, Ontario Provincial Government, 2015
- Ontario Graduate Scholarship, Ontario Provincial Government, 2012 & 2014
- Eugene G. Bolotkin Scholarship, McMaster University Graduate Prestige Scholarship, 2012 (Declined)
- Student Peer Assistance Undergraduate Bursaries, University of Calgary, 2010
- Jason Lang Scholarship, Alberta Education, 2009 & 2010
- Dean's Merit Admission Award - Faculty of Science, University of Calgary, 2006
- Admission Scholarship, University of Calgary, 2006
Teaching Experience
- Teaching Assistant, McMaster University Undergraduate Physics & Astronomy, 2011-present
- Physics Tutor, Alberta High School Physics, 2010-2011
Publications
Peer-Reviewed Publications
-
Entropy-driven winds: Outflows and fountains lifted gently by buoyancy
Keller, Benjamin W.; Kruijssen, J. M. Diederik; Wadsley, James W. 2020 Monthly Notices of the Royal Astronomical Society
-
Prevalent externally driven protoplanetary disc dispersal as a function of the galactic environment
Winter, Andrew J.; Kruijssen, J. M. Diederik; Chevance, Mélanie; Keller, Benjamin W.; Longmore, Steven N. 2020 Monthly Notices of the Royal Astronomical Society
-
The trajectories of galaxies in groups: mass-loss and preprocessing
Joshi, Gandhali D.; Parker, Laura C.; Wadsley, James; Keller, Benjamin W. 2019 Monthly Notices of the Royal Astronomical Society
-
Chaos and variance in galaxy formation
Keller, B. W.; Wadsley, J. W.; Wang, L.; Kruijssen, J. M. D. 2019 Monthly Notices of the Royal Astronomical Society
-
Estimating the Milky Way's Mass via Hierarchical Bayes: A Blind Test on MUGS2 Simulated Galaxies
Eadie, Gwendolyn; Keller, Benjamin; Harris, William E. 2018 The Astrophysical Journal
-
Gasoline2: a modern smoothed particle hydrodynamics code
Wadsley, James W.; Keller, Benjamin W.; Quinn, Thomas R. 2017 Monthly Notices of the Royal Astronomical Society
-
Star formation and ISM morphology in tidally induced spiral structures
Pettitt, Alex R.; Tasker, Elizabeth J.; Wadsley, James W.; Keller, Ben W.; Benincasa, Samantha M. 2017 Monthly Notices of the Royal Astronomical Society
-
ΛCDM is Consistent with SPARC Radial Acceleration Relation
Keller, B. W.; Wadsley, J. W. 2017 The Astrophysical Journal Letters
-
Cosmological galaxy evolution with superbubble feedback - II. The limits of supernovae
Keller, B. W.; Wadsley, J.; Couchman, H. M. P. 2016 Monthly Notices of the Royal Astronomical Society
-
The AGORA High-resolution Galaxy Simulations Comparison Project. II. Isolated Disk Test
Kim, Ji-hoon; Agertz, Oscar; Teyssier, Romain; Butler, Michael J.; Ceverino, Daniel; Choi, Jun-Hwan; Feldmann, Robert; Keller, Ben W.; Lupi, Alessandro; Quinn, Thomas; Revaz, Yves; Wallace, Spencer; Gnedin, Nickolay Y.; Leitner, Samuel N.; Shen, Sijing; Smith, Britton D.; Thompson, Robert; Turk, Matthew J.; Abel, Tom; Arraki, Kenza S.; Benincasa, Samantha M.; Chakrabarti, Sukanya; DeGraf, Colin; Dekel, Avishai; Goldbaum, Nathan J.; Hopkins, Philip F.; Hummels, Cameron B.; Klypin, Anatoly; Li, Hui; Madau, Piero; Mandelker, Nir; Mayer, Lucio; Nagamine, Kentaro; Nickerson, Sarah; O'Shea, Brian W.; Primack, Joel R.; Roca-Fàbrega, Santi; Semenov, Vadim; Shimizu, Ikkoh; Simpson, Christine M.; Todoroki, Keita; Wadsley, James W.; Wise, John H.; AGORA Collaboration 2016 The Astrophysical Journal
-
The anatomy of a star-forming galaxy: pressure-driven regulation of star formation in simulated galaxies
Benincasa, S. M.; Wadsley, J.; Couchman, H. M. P.; Keller, B. W. 2016 Monthly Notices of the Royal Astronomical Society
-
Clumpy Disks as a Testbed for Feedback-regulated Galaxy Formation
Mayer, Lucio; Tamburello, Valentina; Lupi, Alessandro; Keller, Ben; Wadsley, James; Madau, Piero 2016 The Astrophysical Journal Letters
-
NIHAO project II: halo shape, phase-space density and velocity distribution of dark matter in galaxy formation simulations
Butsky, Iryna; Macciò, Andrea V.; Dutton, Aaron A.; Wang, Liang; Obreja, Aura; Stinson, Greg S.; Penzo, Camilla; Kang, Xi; Keller, Ben W.; Wadsley, James 2016 Monthly Notices of the Royal Astronomical Society
-
NIHAO - IV: core creation and destruction in dark matter density profiles across cosmic time
Tollet, Edouard; Macciò, Andrea V.; Dutton, Aaron A.; Stinson, Greg S.; Wang, Liang; Penzo, Camilla; Gutcke, Thales A.; Buck, Tobias; Kang, Xi; Brook, Chris; Di Cintio, Arianna; Keller, Ben W.; Wadsley, James 2016 Monthly Notices of the Royal Astronomical Society
-
NIHAO project - I. Reproducing the inefficiency of galaxy formation across cosmic time with a large sample of cosmological hydrodynamical simulations
Wang, Liang; Dutton, Aaron A.; Stinson, Gregory S.; Macciò, Andrea V.; Penzo, Camilla; Kang, Xi; Keller, Ben W.; Wadsley, James 2015 Monthly Notices of the Royal Astronomical Society
-
NIHAO III: the constant disc gas mass conspiracy
Stinson, G. S.; Dutton, A. A.; Wang, L.; Macciò, A. V.; Herpich, J.; Bradford, J. D.; Quinn, T. R.; Wadsley, J.; Keller, B. 2015 Monthly Notices of the Royal Astronomical Society
-
Cosmological galaxy evolution with superbubble feedback - I. Realistic galaxies with moderate feedback
Keller, B. W.; Wadsley, J.; Couchman, H. M. P. 2015 Monthly Notices of the Royal Astronomical Society
-
Faint dwarfs as a test of DM models: WDM versus CDM
Governato, F.; Weisz, D.; Pontzen, A.; Loebman, S.; Reed, D.; Brooks, A. M.; Behroozi, P.; Christensen, C.; Madau, P.; Mayer, L.; Shen, S.; Walker, M.; Quinn, T.; Keller, B. W.; Wadsley, J. 2015 Monthly Notices of the Royal Astronomical Society
-
A superbubble feedback model for galaxy simulations
Keller, B. W.; Wadsley, J.; Benincasa, S. M.; Couchman, H. M. P. 2014 Monthly Notices of the Royal Astronomical Society
-
Degree of Polarization and Source Counts of Faint Radio Sources from Stacking Polarized Intensity
Stil, J. M.; Keller, B. W.; George, S. J.; Taylor, A. R. 2014 The Astrophysical Journal
-
Detection Thresholds and Bias Correction in Polarized Intensity
George, Samuel J.; Stil, Jeroen M.; Keller, Ben W. 2012 Publications of the Astronomical Society of Australia
Invited Talks
-
Superbubble Regulation of Baryons in Cosmological Galaxy Formation
B.W. Keller, J. Wadsley (Talk delivered at Computing the Universe 2016 in Oaxaca, Mexico)
-
SN-driven superbubbles in cosmological galaxy evolution: outflows, regulation, and the limits of stellar feedback
B.W. Keller, J. Wadsley (Talk delivered at Computational Galaxy Formation 2016 in Ringberg, Germany)
Contributed Talks
-
Superbubble Driven Galactic Winds: Realistic Galaxies from moderate Feedback Energy
B.W. Keller, J. Wadsley (Talk delivered at Galaxy Workshop 2015 in Santa Cruz, USA)
-
Superbubble Driven Outflows in Cosmological Galaxy Evolution
B.W. Keller, J. Wadsley, H.M.P Couchman (Talk delivered at CASCA 2015 in Hamilton, Canada)
-
Superbubble Feedback in Galaxy Simulations
B.W. Keller, J. Wadsley, S.M Benincasa, H.M.P Couchman (Talk delivered at CASCA 2014 in Quebec, Canada)
-
Simulating Gas and Gravity in Galaxies with Gasoline
Ben Keller, James Wadsley, Hugh Couchman (Talk Delivered at SHARCNet Research Day 2013 in Oakville, Canada)
-
Polarized Source Counts and Stacking
Samuel J. George, Jeroen M. Stil, & Ben W. Keller (Talk delivered by Dr. George at GALFACTS/POSSUM 2010 Workshop in Calgary, Canada)
Conference Proceedings
-
Comparing the effects of supernovae feedback models on the interstellar medium
Lindsey Byrne, Charlotte Christensen, Benjamin W. Keller Proceedings of the American Astronomical Society Meeting #229, 2017 in Grapevine TX, USA * Stacking for Cosmic Magnetism with SKA Surveys
J.M. Stil, B.W. Keller Advancing Astrophysics with the SKA, Proceedings of Science AASKA14
-
A Stacking Analysis of the Free-Free Opacity of Spiral Galaxy Disks
Jeroen M. Stil, T. Klassen, B.W. Keller Proceedings of the American Astronomical Society Meeting #223, 2014 in Washington DC, USA
Conference Posters
-
Scultiping Disk Galaxies with Superbubble Powered Outflows
Ben Keller, James Wadsley, Hugh Couchman (Poster presented at A 3D View of Galaxies and their Evolution in Heidelberg, Germany)
-
Modeling Unresolved Pressure Reservoirs due to Stellar Feedback
Ben Keller, James Wadsley (Poster presented at Mind The Gap 2013 in Cambridge, UK)
-
Star Formation Regulation in a Simulated Galactic Disk
Ben Keller, James Wadsley, Chris Gatopolous, Hugh Couchman (Poster presented at CASCA 2012 in Calgary, Canada)
-
Probing Polarization in Faint Radio Sources Using Median Stacking
Ben W. Keller, Jeroen M. Stil,Samuel J. George, A. R. Taylor (Poster presented at CASCA 2011 in London, Canada)
-
Why Are Faint Radio Sources More Highly Polarized
Jeroen M. Stil, Ben W. Keller, Samuel J. George, & Russ Taylor (Poster presented by Dr. Stil at SKA 2010 Conference in Manchester, UK)
Professional Societies
Society Membership
- CASCA 2011-2015
Committee Membership
- CASCA Graduate Student Committe Chair 2015-present
- CASCA Graduate Student Committe McMaster University Representative 2014-2015
Public Outreach
Talks & Presentations
- Building a Stack for Fun and Profit talk delivered Rothney Astrophysical Observatory, 2010
- A Brief History of Radio Astronomy talk delivered at Calgary Pecha Kucha Night 4, 2010
- Astronomy For Hackers talk delivered at Toorcamp, 2009
Volunteer Work
- Volunteer with Let's Talk Science 20011-present
- Organizer for Hamilton All Science Challenge, 2012
- Mentor for FIRST LEGO League team, 2011-2012
- Volunteer at Rothney Astrophysical Observatory, 2010-2011
- Director of Calgary Protospace, 2010-2011
Additional Experience
- Coordinator of Origins Institute 3D Theatre 2014-present
- Presenter at the W.J. McCallion Planetarium 2011-present
Computing Skills & Experience
Programming Languages I Speak
- C/C++
- Perl
- Python
- Bash
- Haskell
- Java
- Javascript+HTML/CSS
Software Contributions
- astLib Python Astronomy Modules
- ChaNGa Hydrodynamics
- N-Body Simulation Code
- yt Volumetric Data Analysis Toolkit (Project Member)
- matplotlib Python 2D Plotting Library
- pynbody N-Body/SPH analysis for Python