Some of my publications on Velocity Fields


Spectroscopy of the K0 Binary Giant a UMa,  2018  ApJ 869, 81.


A Solar-flux Line-broadening Analysis,  2018 ApJ 857, 139.


The Solar-flux Third Granulation Signature, 2018 (with B. Oostra) ApJ 852, 42.


A Spectral-line Analysis of the G8 III Standard ɛ Vir, 2017 ApJ 845, 62.


The Orbit, Rotation, and Granulation of the G7 Giant b Her, 2016  ApJ 832, 68.


Rotation and Granulation of the K2 Giant a Ser, 2016  ApJ 826, 92.  


Erratum: A Spectroscopic Analysis of the K0 III Binary ɛ Cygni, 2015  ApJ 810, 117.


The Orbit and Variations of d Sagittae, 2015 (with T. Pugh & R.F. Griffin)  MNRAS 454, 2344.


A Spectroscopic Analysis of the K0 III Binary ɛ Cygni, 2015,  ApJ 810, 117.


Short Timescale Variations in the Atmosphere of Antares A,  2013 (with T. Pugh), ApJ 777, 10.

The Two Regimes of Photospheric Motions in α Hydra,  2013  ApJ 764, 100.

The Third Signature of Granulation in Bright-Giant and Supergiant Stars,  2012 (with T. Pugh), AJ 143, 92.

Photospheric Variations of the Supergiant γ Cyg,  2010 AJ 140, 1329.

An Explanation of Reversed Spectral-Line Bisectors,  2010, ApJ 721, 670.

Empirical Decoding of the Shapes of Spectral-Line Bisectors,  2009 ApJ 710, 1003.

The Third Signature of Stellar Granulation,  2009 ApJ 697, 1032.

Asymmetries in the Spectral Lines of Evolved Halo Stars,  2008 (with B.W. Carney & D. Yong), AJ 135, 2033.

Mass Motions in the Photosphere of Betelgeuse,  2008 AJ 135, 1450.

Rotation and Macroturbulence in Metal-Poor Field Red Giant and Red Horizontal Branch Stars,  2008 (with B.W. Carney, D. Yong, D.W. Latham, N. Manset, R. Zelman, & J.B. Laird), AJ 135, 892.

Shapes of Spectral Line Bisectors for Cool Stars,  2005 PASP 117, 711.

Betelgeuse -- Giant Convection Cells,   2001 PASP 113, 1378

Betelgeuse and Its Variations,  2000 ApJ 532, 487.

Magnetic, Photometric, Temperature, and Granulation Variations of  Boo A 1984-1993, (with S.L. Baliunas, G.W. Lockwood, and B.A. Skiff), 1996 ApJ 465, 945.

The Granulation and Temperature Stability of  η Cephei,” 1994 ApJ 428, 765.

Morphology of Reversed Spectral-Line Bisectors, 1989  PASP 101, 832.

The Granulation Boundary in the HR Diagram, (with T. Nagel), 1989  ApJ 341, 421.

The Starpatch on the G8 Dwarf p Boo A, (with C.G. Toner), 1988 ApJ 334, 1008.

An Analysis of the Photospheric Line Profiles of F, G, and K Supergiants, (with C.G. Toner), 1987 ApJ 322, 360.

Rotation and Macroturbulence in Bright Giants, (with C.G. Toner), 1986  ApJ 310, 277.

The Remarkable Spectral Line Asymmetries of F and G Ib Supergiants, (with C.G. Toner), 1986  PASP 98, 499.

The Rotation Effect - A Mechanism for Measuring Granulation Velocities in Stars,  1986 PASP 98, 319.

Inferred Properties of Stellar Granulation, (with C.G. Toner), 1985  PASP 97, 543.

Measurements of Rotation and Turbulence in F, G, and K Dwarfs,  1984 ApJ 281, 719.

On the Constancy of Spectral Line Bisectors, 1983  PASP 95, 252.

Observations of Spectral Line Asymmetries and Convective Velocities in F, G, and K Stars, 1982  ApJ 255, 200.

Asymmetries in the Spectral Lines of Procyon, 1981  ApJ 251, 583.

Analysis of the Spectral Lines of Procyon, 1981  ApJ 251, 152.

An Analysis of the Spectral Line Broadening of Arcturus, 1981  ApJ 245, 992.