III/257 RAVE second data release (Zwitter+, 2008) ================================================================================ The Radial Velocity Experiment (RAVE): second data release. Zwitter T., Siebert A., Munari U., Freeman K.C., Siviero A., Watson F.G., Fulbright J.P., Wyse R.F.G., Campbell R., Seabroke G.M., Williams M., Steinmetz M., Bienayme O., Gilmore G., Grebel E.K., Helmi A., Navarro J.F., Anguiano B., Boeche C., Burton D., Cass P., Dawe J., Fiegert K., Hartley M., Russell K., Veltz L., Bailin J., Binney J., Bland-Hawthorn J., Brown A., Dehnen W., Evans N.W., Fiorentin P.R., Fiorucci M., Gerhard O., Gibson B., Kelz A., Kujken K., Matijevic G., Minchev I., Parker Q.A., Penarrubia J., Quillen A., Read M.A., Reid W., Roeser S., Ruchti G., Scholz R.-D., Smith M.C., Sordo R., Tolstoi E., Tomasella L., Vidrih S., de Boer E.W. =2008AJ....136..421Z ================================================================================ ADC_Keywords: Surveys ; Radial velocities; Milky Way; Stars, fundamental ; Photometry Keywords: catalogs - surveys - stars: fundamental parameters Abstract: We present the second data release of the Radial Velocity Experiment (RAVE), an ambitious spectroscopic survey to measure radial velocities and stellar atmosphere parameters (temperature, metallicity, surface gravity, and rotational velocity) of up to one million stars using the 6dF multi-object spectrograph on the 1.2m UK Schmidt Telescope of the Anglo-Australian Observatory (AAO). The RAVE program started in 2003, obtaining medium resolution spectra (median R=7500) in the Ca-triplet region (8410-8795{AA}) for southern hemisphere stars drawn from the Tycho-2 and SuperCOSMOS catalogues, in the magnitude range 9