| Affiliation: |
| AA(Max-Planck-Institut für Astronomie, Königstuhl 17, Heidelberg D-69117, Germany; , , .; Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy; .), AB(Max-Planck-Institut für Astronomie, Königstuhl 17, Heidelberg D-69117, Germany; , , .), AC(Physics and Astronomy Department, Ohio University, Athens, OH 45701; .), AD(Astronomy Department, University of Massachusetts, Amherst, MA 01003; .), AE(The Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101-1292 .), AF(Max-Planck-Institut für Astronomie, Königstuhl 17, Heidelberg D-69117, Germany; , , .; Steward Observatory, University of Arizona, Tucson, AZ 85721; .), AG(Astronomy Department, University of California, Berkeley, CA 94720-3411 .), AH(Palomar Observatory, Caltech 105-24, Pasadena, CA 91125; .), AI(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138; .) |