| Affiliation: |
| AA(Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany.), AB(Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany.), AC(Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany.), AD(Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany.), AE(Steward Observatory, University of Arizona, Tucson, AZ 85721.; Chandra Fellow.), AF(Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany.), AG(Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210-1173.), AH(Large Binocular Telescope Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065.), AI(Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany.), AJ(INAF, Osservatorio Astronomico di Roma, via Frascati 33, I-00040 Monteporzio, Italy.), AK(INAF, Osservatorio Astronomico di Roma, via Frascati 33, I-00040 Monteporzio, Italy.), AL(INAF, Osservatorio Astronomico di Roma, via Frascati 33, I-00040 Monteporzio, Italy.), AM(INAF, Osservatorio Astronomico di Padova, vicolo dell'Osservatorio, 5, 35122 Padova, Italy.), AN(INAF, Osservatorio Astronomico di Trieste, via G. B. Tiepolo, 11, 34131 Trieste, Italy.), AO(INAF, Osservatorio Astronomico di Roma, via Frascati 33, I-00040 Monteporzio, Italy.), AP(Steward Observatory, University of Arizona, Tucson, AZ 85721.), AQ(Large Binocular Telescope Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065.), AR(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge MA 02138.), AS(Large Binocular Telescope Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721-0065.) |