Abstract
view Abstract Citations (26) References (14) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Uncovering the Intrinsic Shapes of Elliptical Galaxies. II. Approximate Kinematic Shape Indicators Statler, Thomas S. ; Fry, Anne M. Abstract This is the second in a series of three papers that presents a new method for constraining the intrinsic shapes of elliptical galaxies through their apparent shapes and kinematics. Paper I developed a set of dynamical models; Paper III discusses a Monte Carlo fitting procedure for applying the models to real galaxies. This second paper presents an approximate graphical method for estimating a galaxy's intrinsic axis ratios. It uses the apparent ellipticity and a set of dimensionless combinations of the velocities measured on the major and minor axes and at the +/-45^deg^ intermediate position angles. We present an atlas of "channel maps" of the parameter space, from which one may estimate the intrinsic shape of any galaxy with the necessary data. While not nearly as reliable as the rigorous methods of Paper III, the graphical method is presented for easier applicability and intuitive guidance. Publication: The Astrophysical Journal Pub Date: April 1994 DOI: 10.1086/174002 Bibcode: 1994ApJ...425..481S Keywords: Astronomical Models; Elliptical Galaxies; Galactic Structure; Kinematics; Angular Momentum; Boundary Conditions; Fourier Series; Power Spectra; Probability Distribution Functions; Velocity Measurement; Astrophysics; GALAXIES: ELLIPTICAL AND LENTICULAR; CD; GALAXIES: FUNDAMENTAL PARAMETERS; GALAXIES: KINEMATICS AND DYNAMICS full text sources ADS | data products SIMBAD (1) NED (1) Related Materials (3) Part 1: 1994ApJ...425..458S Part 3: 1994ApJ...425..500S Part 4: 2001ApJ...549..871S
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