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The Cut & Enhance method : selecting clusters of galaxies from the SDSS commissioning data
Tomotsugu Goto, Maki Sekiguchi, Robert C. Nichol +8
We describe an automated method, the Cut & Enhance method (CE) for detecting clusters of galaxies in multi-color optical imaging surveys. This method uses simple color cuts, combin…
Higher Order Moments of the Angular Distribution of Galaxies from Early SDSS Data
István Szapudi, Joshua A. Frieman, Roman Scoccimarro +13
We present initial results for counts in cells statistics of the angular distribution of galaxies in early data from the Sloan Digital Sky Survey (SDSS). We analyze a rectangular s…
The Angular Clustering of Galaxy Pairs
Leopoldo Infante, Michael A. Strauss, Neta A. Bahcall +13
We identify close pairs of galaxies from 278 deg^2 of Sloan Digital Sky Survey commissioning imaging data. The pairs are drawn from a sample of 330,041 galaxies with 18 < r^* < 20.…
The Sloan Digital Sky Survey Quasar Catalog I. Early Data Release
Donald P. Schneider, Gordon T. Richards, Xiaohui Fan +9
We present the first edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog consists of the 3814 objects (3000 discovered by the SDSS) in the initial SDSS publi…
The Alignment Effect of Brightest Cluster Galaxies in the SDSS
Rita S. J. Kim, Jim Annis, Michael A. Strauss +5
One of the most vital observational clues for unraveling the origin of Brightest Cluster Galaxies (BCG) is the observed alignment of the BCGs with their host cluster and its surrou…
Early-type galaxies in the SDSS
M. Bernardi, R. K. Sheth, J. Annis +28
A sample of nearly 9000 early-type galaxies, in the redshift range 0.01<z<0.3, was selected from the Sloan Digital Sky Survey using morphological and spectral criteria. The sample…
Detecting Clusters of Galaxies in the Sloan Digital Sky Survey I : Monte Carlo Comparison of Cluster Detection Algorithms
Rita S. J. Kim, Jeremy V. Kepner, Marc Postman +15
We present a comparison of three cluster finding algorithms from imaging data using Monte Carlo simulations of clusters embedded in a 25 deg^2 region of Sloan Digital Sky Survey (S…
Evidence for Reionization at z ~ 6: Detection of a Gunn-Peterson Trough in a z=6.28 Quasar
Robert H. Becker, Xiaohui Fan, Richard L. White +27
We present moderate resolution Keck spectroscopy of quasars at z=5.82, 5.99 and 6.28, discovered by the Sloan Digital Sky Survey (SDSS). We find that the Ly Alpha absorption in the…
A Survey of z>5.8 Quasars in the Sloan Digital Sky Survey I: Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z~6
Xiaohui Fan, Vijay K. Narayanan, Robert H. Lupton +10
We present the results from a survey of i-dropout objects selected from ~1550 deg^2 of multicolor imaging data from the Sloan Digital Sky Survey, to search for luminous quasars at…
Antibias in Clusters: The Dependence of M/L on Cluster Temperature
Neta A. Bahcall, Julia M. Comerford
We show that the observed mass-to-light ratio of galaxy clusters increases with cluster temperature as expected from cosmological simulations. Contrary to previous observational su…
Spectroscopic Target Selection for the Sloan Digital Sky Survey: The Luminous Red Galaxy Sample
D. J. Eisenstein, J. Annis, J. E. Gunn +25
We describe the target selection and resulting properties of a spectroscopic sample of luminous, red galaxies (LRG) from the imaging data of the Sloan Digital Sky Survey (SDSS). Th…
KL Estimation of the Power Spectrum Parameters from the Angular Distribution of Galaxies in Early SDSS Data
SDSS Collaboration, Alexander S. Szalay, Bhuvnesh Jain +25
We present measurements of parameters of the 3-dimensional power spectrum of galaxy clustering from 222 square degrees of early imaging data in the Sloan Digital Sky Survey. The pr…
The Angular Correlation Function of Galaxies from Early SDSS Data
SDSS Collaboration, Andrew Connolly, Ryan Scranton +22
The Sloan Digital Sky Survey is one of the first multicolor photometric and spectroscopic surveys designed to measure the statistical properties of galaxies within the local Univer…
The 3D Power Spectrum from Angular Clustering of Galaxies in Early SDSS Data
Scott Dodelson, Vijay K. Narayanan, Max Tegmark +22
Early photometric data from the Sloan Digital Sky Survey (SDSS) contain angular positions for 1.5 million galaxies. In companion papers, the angular correlation function and…
Color Separation of Galaxy Types in the Sloan Digital Sky Survey Imaging Data
Iskra Strateva, Zeljko Ivezic, Gillian R. Knapp +2
We study the optical colors of 147,920 galaxies brighter than g* = 21, observed in five bands by the Sloan Digital Sky Survey (SDSS) over ~100 sq. deg. of high Galactic latitude sk…
The Angular Power Spectrum of Galaxies from Early SDSS Data
SDSS Collaboration, Max Tegmark, Scott Dodelson +21
We compute the angular power spectrum C_l from 1.5 million galaxies in early SDSS data on large angular scales, l<600. The data set covers about 160 square degrees, with a characte…
Analysis of Systematic Effects and Statistical Uncertainties in Angular Clustering of Galaxies from Early SDSS Data
SDSS Collaboration, Ryan Scranton, David Johnston +21
The angular distribution of galaxies encodes a wealth of information about large scale structure. Ultimately, the Sloan Digital Sky Survey (SDSS) will record the angular positions…
Photometric Redshifts of Quasars
Gordon T. Richards, Michael A. Weinstein, Donald P. Schneider +3
We demonstrate that the design of the Sloan Digital Sky Survey (SDSS) filter system and the quality of the SDSS imaging data are sufficient for determining accurate and precise pho…
Galaxy Number Counts from the Sloan Digital Sky Survey Commissioning Data
Naoki Yasuda, Masataka Fukugita, Vijay K. Narayanan +10
We present bright galaxy number counts in five broad bands () from imaging data taken during the commissioning phase of the Sloan Digital Sky Survey (SDSS). The…
Composite Quasar Spectra From the Sloan Digital Sky Survey
SDSS Collaboration, Daniel E. Vanden Berk
We have created a variety of composite quasar spectra using a homogeneous data set of over 2200 spectra from the Sloan Digital Sky Survey (SDSS). The quasar sample spans a redshift…
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data VI. Sloan Digital Sky Survey Spectrograph Observations
Scott F. Anderson, Xiaohui Fan, Gordon T. Richards +4
We present results on over 100 high-redshift quasars found in the Sloan Digital Sky Survey (SDSS), using automated selection algorithms applied to SDSS imaging data and with spectr…
Weak Lensing Measurements of 42 SDSS/RASS Galaxy Clusters
Erin Scott Sheldon, James Annis, Hans Bohringer +21
We present a lensing study of 42 galaxy clusters imaged in Sloan Digital Sky Survey (SDSS) commissioning data. Cluster candidates are selected optically from SDSS imaging data and…
Broad Absorption Line Quasars in the Sloan Digital Sky Survey with VLA-FIRST Radio Detections
Kristen Menou, Daniel E. Vanden Berk, Zeljko Ivezic +12
We present 13 Broad Absorption Line (BAL) quasars, including 12 new objects, which were identified in the Sloan Digital Sky Survey (SDSS) and matched within 2'' to sources in the F…