Multiwavelength View of SDSS Galaxies
M. Obric, Z. Ivezic, G. Kauffmann, R. H. Lupton, C. Tremonti, J. Brinchmann, S. Charlot, G. R. Knapp, J. E. Gunn, C. M. Rockosi, D. Schlegel, M. A. Strauss, M. Gacesa, V. Smolcic, S. Anderson, W. Voges, M. R. Blanton, D. Eisenstein
Abstract
We summarize the detection rates at wavelengths other than optical for \~99,000 galaxies from the Sloan Digital Sky Survey (SDSS) Data Release 1 ``main'' spectroscopic sample. The analysis is based on positional cross-correlation with source catalogs from ROSAT, 2MASS, IRAS, GB6, FIRST, NVSS and WENSS surveys. We find that the rest-frame UV-IR broad-band galaxy SEDs form a remarkably uniform, nearly one parameter, family. As an example, the SDSS u and r band data, supplemented with redshift, can be used to predict K band magnitudes measured by 2MASS with an rms scatter of only 0.2 mag; when measurement uncertainties are taken into account, the astrophysical scatter appears not larger than ~0.1 mag.
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