Multiwavelength View of SDSS Galaxies

Details Multiwavelength View of SDSS Galaxies Multiwavelength View of SDSS Galaxies

2004-04-26

arxiv.org/abs/astro-ph/0404503v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure. To appear in "The Interplay among Black Holes, Stars and ISM in Galactic Nuclei", Proc. IAU 222 (Gramado, B

Scientific paper

10.1017/S1743921304003163

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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