Authors: Altena, William F1; Hoffleit, E Dorrit2
Source: Astronomy & Geophysics, Volume 44, Number 5, October 2003, pp. 5.09-5.13(1)
Pressing the buy now button more than once may result in multiple purchases
Document Type: Research Article
Professor of Astronomy, Yale University
Senior Research Astronomer, Retired, Department of Astronomy, Yale University.
Publication date: October 1, 2003