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astro-ph1999
Photometric Redshifts: A Perspective from an Old-Timer on Its Past, Present, and Potential
David C. Koo
I review the early history of photometric redshifts; specify a working definition that encompasses a broader range of approaches than commonly adopted; discuss the pros and cons of…
astro-ph1999
Dynamics of Distant Normal Galaxies
David C. Koo
Masses of galaxies are beginning to be measured systematically at redshifts z > 0.3. Such data provide powerful and unique links and clues to theories, simulations, and our underst…