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2004AJ....128..502A - Astron. J., 128, 502-512 (2004/July-0)

The second data release of the Sloan Digital Sky Survey.

ABAZAJIAN K., ADELMAN-McCARTHY J.K., AGUEROS M.A., ALLAM S.S., ANDERSON K.S.J., ANDERSON S.F., ANNIS J., BAHCALL N.A., BALDRY I.K., BASTIAN S., BERLIND A., BERNARDI M., BLANTON M.R., BOCHANSKI J.J.Jr, BOROSKI W.N., BRIGGS J.W., BRINKMANN J., BRUNNER R.J., BUDAVARI T., CAREY L.N., CARLILES S., CASTANDER F.J., CONNOLLY A.J., CSABAI I., DOI M., DONG F., EISENSTEIN D.J., EVANS M.L., FAN X., FINKBEINER D.P., FRIEDMAN S.D., FRIEMAN J.A., FUKUGITA M., GAL R.R., GILLESPIE B., GLAZEBROOK K., GRAY J., GREBEL E.K., GUNN J.E., GURBANI V.K., HALL P.B., HAMABE M., HARRIS F.H., HARRIS H.C., HARVANEK M., HECKMAN T.M., HENDRY J.S., HENNESSY G.S., HINDSLEY R.B., HOGAN C.J., HOGG D.W., HOLMGREN D.J., ICHIKAWA S.-I., ICHIKAWA T., IVEZIC Z., JESTER S., JOHNSTON D.E., JORGENSEN A.M., KENT S.M., KLEINMAN S.J., KNAPP G.R., KNIAZEV A.Y., KRON R.G., KRZESINSKI J., KUNSZT P.Z., KUROPATKIN N., LAMB D.Q., LAMPEITL H., LEE B.C., LEGER R.F., LI N., LIN H., LOH Y.-S., LONG D.C., LOVEDAY J., LUPTON R.H., MALIK T., MARGON B., MATSUBARA T., McGEHEE P.M., McKAY T.A., MEIKSIN A., MUNN J.A., NAKAJIMA R., NASH T., NEILSEN E.H.Jr, NEWBERG H.J., NEWMAN P.R., NICHOL R.C., NICINSKI T., NIETO-SANTISTEBAN M., NITTA A., OKAMURA S., O'MULLANE W., OSTRIKER J.P., OWEN R., PADMANABHAN N., PEOPLES J., PIER J.R., POPE A.C., QUINN T.R., RICHARDS G.T., RICHMOND M.W., RIX H.-W., ROCKOSI C.M., SCHLEGEL D.J., SCHNEIDER D.P., SCRANTON R., SEKIGUCHI M., SELJAK U., SERGEY G., SESAR B., SHELDON E., SHIMASAKU K., SIEGMUND W.A., SILVESTRI N.M., SMITH J.A., SMOLCIC V., SNEDDEN S.A., STEBBINS A., STOUGHTON C., STRAUSS M.A., SUBBARAO M., SZALAY A.S., SZAPUDI I., SZKODY P., SZOKOLY G.P., TEGMARK M., TEODORO L., THAKAR A.R., TREMONTI C., TUCKER D.L., UOMOTO A., VANDEN BERK D.E., VANDENBERG J., VOGELEY M.S., VOGES W., VOGT N.P., WALKOWICZ L.M., WANG S.-I., WEINBERG D.H., WEST A.A., WHITE S.D.M., WILHITE B.C., XU Y., YANNY B., YASUDA N., YIP C.W., YOCUM D.R., YORK D.G., ZEHAVI I., ZIBETTI S. and ZUCKER D.B.

Abstract (from CDS):

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg2 of five-band (ugriz) imaging data with photometry for over 88 million unique objects, 367,360 spectra of galaxies, quasars, stars, and calibrating blank sky patches selected over 2627 deg2 of this area, and tables of measured parameters from these data. The imaging data reach a depth of r~22.2 (95% completeness limit for point sources) and are photometrically and astrometrically calibrated to 2% rms and 100 mas rms per coordinate, respectively. The imaging data have all been processed through a new version of the SDSS imaging pipeline, in which the most important improvement since the last data release is fixing an error in the model fits to each object. The result is that model magnitudes are now a good proxy for point-spread function magnitudes for point sources, and Petrosian magnitudes for extended sources. The spectroscopy extends from 3800 to 9200 Å at a resolution of 2000. The spectroscopic software now repairs a systematic error in the radial velocities of certain types of stars and has substantially improved spectrophotometry. All data included in the SDSS Early Data Release and First Data Release are reprocessed with the improved pipelines and included in the Second Data Release. Further characteristics of the data are described, as are the data products themselves and the tools for accessing them.

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Journal keyword(s): Atlases - Catalogs - Surveys

Simbad objects: 0

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