Publications of the Astronomical Society of the Pacific 108: 996, November 1996 A Database for Galaxy Evolution Modeling Claus Leitherer[1], Danielle Alloin[2], Uta Fritze-v. Alvensleben[3], John S. Gallagher[4], John P. Huchra[5], Francesca Matteucci[6], Robert W. O'Connell[7], John E. Beckman[8], GianPaolo Bertelli[9], Eduardo Bica[10], Catherine Boisson[11], Charles Bonatto[10], Gregory D. Bothun[12], Alessandro Bressan[13], Jean P. Brodie[14], Gustavo Bruzual[15], David Burstein[16], Roland Buser[17], Nelson Caldwell[18], Emilio Casuso[8], Miguel Cervino[19], Stephane Charlot[20], Miguel Chavez[6,21], Cesare Chiosi[22], Carol A. Christian[1], Francois Cuisinier[17], Richard Dallier[11], Alex de Koter[23], Sonya Delisle[24], Angeles I. Diaz[25], Michael A. Dopita[26], Ben Dorman[23], Franco Fagotto[8], Michael N. Fanelli[23], Michel Fioc[20], Maria Luisa Garcia-Vargas[27], Leo Girardi[10], Jeffrey D. Goldader[1], Eduardo Hardy[24], Timothy M. Heckman[28], Jorge Iglesias[8], Pascale Jablonka[11], Monique Joly[11], Lewis Jones[29], Oliver Kurth[3], Ariane Lancon[30], Thibault Lejeune[17], Johannes Loxen[3], Andre Maeder[31], Maria Lucia Malagnini[32], Paola Marigo[22], J. Miguel Mas-Hesse[19], Georges Meynet[31], Claudia S. Moller[3], Mercedes L. Molla[25], Carlo Morossi[33], Emma Nasi[13], Joy S. Nichols[34], Knut J. R. Odegaard[35], Joel Wm. Parker[36], Miriani G. Pastoriza[10], Reynier Peletier[37], Carmelle Robert[24], Brigitte Rocca-Volmerange[20], Daniel Schaerer[1], Alex Schmidt[38], Henrique R. Schmitt[1], Robert A. Schommer[39], Werner Schmutz[40], Margarida Serote Roos[11], Laura Silva[6], Grazyna Stasinska[11], Ralph S. Sutherland[26], Rosaria Tantalo[22], Peeter Traat[41], Antonella Vallenari[13], Alexandre Vazdekis[8], Nolan R. Walborn[1], Guy Worthey[42,43], and Chi-Chao Wu[1] ABSTRACT. This paper represents a collective effort to provide an extensive electronic database useful for the interpretation of the spectra and evolution of galaxies. A broad variety of empirical and theoretical data are discussed here, and the data are made fully available in the AAS CD-ROM Series, Vol. 7. Several empirical stellar libraries are part of this database. They cover the ultraviolet spectral range observed with IUE, optical data from different ground-based telescopes, and ground-based infrared data. Spectral type coverage depends on the wavelength, but is mostly complete for types O to M and luminosity classes V to I. A large metallicity range is covered as well. Theoretical libraries of selected spectral indices of cool stars and of stellar continuum fluxes in the temperature range 2000 K to 50,000 K, as well as Wolf-Rayet energy distributions are presented. Several libraries of star clusters and early-type galaxies have been selected for this database. We discuss an extensive set of empirical spectral templates covering the wavelength region from 1200 -- 9800 A, as well as narrow-band line indices in a large number of passbands. Bench-mark spectra of nearby galaxies for model tests are included as well. We compiled numerous evolutionary models and isochrones for stars of all mass ranges of interest, wide metallicity range, and for all evolutionary phases, including the pre-main-sequence phase. The majority of the models have been computed by the Geneva and Padova groups. Evolutionary synthesis models computed by several independent groups are made available. They can be applied to old and young systems, and are optimized with respect to different aspects of input physics. The model predictions include stellar (colors, magnitudes, absorption features) and nebular (emission-line fluxes) properties. Finally, we present models of ionized gas to be used for the interpretation of active galactic nuclei and young star-forming galaxies The community is encouraged to make use of this electronic database and to perform a critical comparison between the individual datasets. [1] Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218; e-mail: leitherer@stsci.edu [2] Service d'Astrophysique, CEA Saclay, F--91191 Gif-sur-Yvette, France [3] Universitaetssternwarte Goettingen, Geismarlandstr. 11, D-37083 Goettingen, Germany [4] Dept. of Astronomy, Univ. of Wisconsin-Madison, 5534 Sterling, 475 North Charter St., Madison, WI 53706 [5] Harvard-Smithsonian Center for Astrophysics, 60 Garden St., MS20, Cambridge, MA 02138-1516 [6] SISSA, Via Beirut 2-4, I--34013 Trieste, Italy [7] Univ. of Virginia, Dept. of Astronomy, P.O. Box 3818, Univ. Station, Charlottesville, VA 22903 [8] IAC, Via Lactea s/n, La Laguna, E-38200 Santa Cruz de Tenerife, Spain [9] National Council of Research, Piazzale A. Moro 2, I--00185 Rome, Italy [10] Universidade Federal do Rio Grande do Sul, IF, CP,15051, Porto Alegre 91501-970, RS, Brazil [11] DAEC, Observatoire de Paris-Meudon, URA 173, Universite Paris 7, F-92195 Meudon, France [12] Univ. of Oregon, Dept. of Physics, 120 Willamette Hall, Eugene, OR 97403 [13] Astronomical Observatory, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy [14] Univ. Of California, Lick Observatory, Santa Cruz, CA 95064 [15] CIDA, Apartado Postal 264, Merida, 5101-A, Venezuela [16] Arizona State Univ., Dept. of Physics & Astronomy, Tempe, AZ 85287-1504 [17] Astron. Institut, Univ. of Basel, Venusstrasse 7, CH-4102 Binningen, Switzerland [18] Steward Observatory, Univ. of Arizona, Tucson, AZ 85721 [19] LAEFF, POB 50727, E-28080 Madrid, Spain [20] Institut d'Astrophysique, 98bis Bd Arago, F-75014 Paris, France [21] Instituto Nacional de Astrofisica, Optica y Electronica, A.P. 51 y 216, CP 72000, Puebla, Pue., Mexico [22] Univ. of Padova, Department of Astronomy, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy [23] Laboratory for Astronomy & Solar Physics, Code 681, NASA/Goddard Space Flight Center, Greenbelt, MD 20771 [24] Universite Laval, Departement de Physique, Sainte-Foy, Quebec, Canada, G1K 7P4 [25] Univ. Auton. de Madrid, Dep. de Fisica Teorica, Facultad de Ciencias, C-XI, Cantoblanco, E-28049 Madrid, Spain [26] Mt. Stromlo Observatory, Private Bag, Weston Creek P.O., ACT 2611, Australia [27] IUE Observatory Villafranca del Castillo, Apartado 50727, E-28080 Madrid, Spain [28] Johns Hopkins Univ., Bloomberg Center for Physics and Astronomy, 3400 North Charles St., Baltimore, MD 21218 [29] Univ. of North Carolina, Phillips Hall -- CB#3255, Dept. of Physics and Astronomy, Chapel Hill, NC 27599-3255 [30] Observatoire de Strasbourg, 11 rue de l'universite, F-67000 Strasbourg, France [31] Observatoire de Geneve, CH--1290 Sauverny, Switzerland [32] Department of Astronomy, Univ. of Trieste, Via Tiepolo, 11, I-34131 Trieste, Italy [33] Osservatorio Astronomico di Trieste, Via Tiepolo, 11, I-34131 Trieste, Italy [34] NASA/GSFC, IUE Observatory/CSC, Code 684.9, Greenbelt, MD 20771 [35] Inst. of Theor. Astrophysics, Univ. of Oslo, P.O. Box 1029 Blindern, N-0315 Oslo, Norway [36] Southwest Research Institute, Suite 429, 1050 Walnut Street, Boulder, CO 80302 [37] Kapteyn Instituut, Postbus 800, 9700 AV Groningen, Netherlands [38] Universidade Federal de Santa Maria, Dep. de Matematica/NEPAE, Faixa de Camobi, Santa Maria BR-97100, RS, Brazil [39] CTIO, Casilla 603, La Serena, Chile [40] Institute of Astronomy, ETH Zentrum, CH-8092 Zurich, Switzerland [41] Tartu Observatory, EE-2400 Toravere, Tartumaa, Estonia [42] Univ. of Michigan, 834 Dennison, Dept. of Astronomy, Ann Arbor, MI 48109-1090 [43] Hubble Fellow