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9 papers · 1 filter
Benford's Law: Textbook Exercises and Multiple-choice Testbanks
Aaron D. Slepkov, Kevin B. Ironside, David DiBattista
Benford's Law describes the finding that the distribution of leading (or leftmost) digits of innumerable datasets follows a well-defined logarithmic trend, rather than an intuitive…
A catalog of bulge, disk, and total stellar mass estimates for the Sloan Digital Sky Survey
J. Trevor Mendel, Luc Simard, Michael Palmer +2
We present a catalog of bulge, disk, and total stellar mass estimates for ~660,000 galaxies in the Legacy area of the Sloan Digital Sky Survey Data Release 7. These masses are base…
Automatic congruences for diagonals of rational functions
Eric Rowland, Reem Yassawi
In this paper we use the framework of automatic sequences to study combinatorial sequences modulo prime powers. Given a sequence whose generating function is the diagonal of a rati…
The Dynamics of Galaxy Pairs in a Cosmological Setting
Jorge Moreno, Asa F. L. Bluck, Sara L. Ellison +3
We use the Millennium Simulation, and an abundance-matching framework, to investigate the dynamical behaviour of galaxy pairs embedded in a cosmological context. Our main galaxy-pa…
Integrated Testlets and the Immediate Feedback Assessment Technique
Aaron D. Slepkov
The increased use of multiple-choice (MC) questions in introductory-level physics final exams is largely hindered by reservations about its ability to test the broad cognitive doma…
Galaxy pairs in the Sloan Digital Sky Survey - VIII: The observational properties of post-merger galaxies
Sara L. Ellison, J. Trevor Mendel, David R. Patton +1
In order to investigate the effects of galaxy mergers throughout the interaction sequence, we present a study of 10,800 galaxies in close pairs and a smaller sample of 97 post-merg…