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Luminosity Function of Morphologically Classified Galaxies in the Sloan Digital Sky Survey
Osamu Nakamura, Masataka Fukugita, Naoki Yasuda +5
The morphological dependence of the luminosity function is studied using a sample containing approximately 1500 bright galaxies classified into Hubble types by visual inspections f…
The overdensities of galaxy environments as a function of luminosity and color
David W. Hogg, Michael R. Blanton, Daniel J. Eisenstein +9
We study the mean environments of galaxies in the Sloan Digital Sky Survey as a function of rest-frame luminosity and color. Overdensities in galaxy number are estimated in $8 h^{-…
Average spectra of massive galaxies in the SDSS
Daniel J. Eisenstein, David W. Hogg, Masataka Fukugita +17
We combine Sloan Digital Sky Survey spectra of 22,000 luminous, red, bulge-dominated galaxies to get high S/N average spectra in the rest-frame optical and ultraviolet (2600A to 70…
X-rays from the First Massive Black Holes
W. N. Brandt, C. Vignali, D. P. Schneider +7
X-ray studies of high-redshift (z > 4) active galaxies have advanced substantially over the past few years, largely due to results from the new generation of X-ray observatories. A…
Selection of Metal-poor Giant Stars Using the Sloan Digital Sky Survey Photometric System
A. Helmi, Z. Ivezic, F. Prada +10
We present a method for photometric selection of metal-poor halo giants from the imaging data of the Sloan Digital Sky Survey (SDSS). These stars are offset from the stellar locus…
The Chandra Deep Field-North Survey. XIV. X-ray detected Obscured AGNs and Starburst Galaxies in the Bright Submm Source Population
D. M. Alexander, F. E. Bauer, W. N. Brandt +6
We provide X-ray constraints and perform the first X-ray spectral analyses for bright (f_850>=5mJy; S/N>=4) SCUBA sources in an 8.4'x8.4' area of the 2 Ms Chandra Deep Field-North…