William C. Keel

The green valley is a red herring: Galaxy Zoo reveals two evolutionary pathways towards quenching of star formation in early- and late-type galaxies★

Kevin Schawinski, C. M. Urry, Brooke Simmons et al. · Monthly Notices of the Royal Astronomical Society · 2014 · 669 citations · Full text

Galaxy Zoo 2: detailed morphological classifications for 304 122 galaxies from the Sloan Digital Sky Survey

Kyle Willett, Chris Lintott, S. P. Bamford et al. · Monthly Notices of the Royal Astronomical Society · 2013 · 621 citations · Full text

The effects of interactions on spiral galaxies. II - Disk star-formation rates

Jr. Kennicutt Robert C., K. Roettiger, William C. Keel et al. · The Astronomical Journal · 1987 · 355 citations · Full text

Cosmic Abundance, Galaxy Formation, Irregular Galaxies +12

Galaxy Zoo: bars in disc galaxies★

Karen L. Masters, R. C. Nichol, B. Hoyle et al. · Monthly Notices of the Royal Astronomical Society · 2010 · 306 citations · Full text

The effects of interactions on spiral galaxies. I - Nuclear activity and star formation

William C. Keel, Jr. Kennicutt R. C., E. Hummel et al. · The Astronomical Journal · 1985 · 282 citations

Galaxy Formation, Spiral Galaxies, Nuclear Activity +12