THE CLUSTERING CHARACTERISTICS OF H I-SELECTED GALAXIES FROM THE 40% ALFALFA SURVEY

The 40% Arecibo Legacy Fast ALFA survey catalog ( alpha .40) of ~10, 150 H I-selected galaxies is used to analyze the clustering properties of gas-rich galaxies. By employing the Landy-Szalay estimator and a full covariance analysis for the two-point galaxy-galaxy correlation function, we obtain the...

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Bibliographic Details
Published in:The Astrophysical journal 2012-05, Vol.750 (1), p.1-11
Main Authors: MARTIN, Ann M, GIOVANELLI, Riccardo, HAYNES, Martha P, GUZZO, Luigi
Format: Article
Language:English
Subjects:
Alfalfa
ASTRONOMY
ASTROPHYSICS
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
Clustering
COMPUTERIZED SIMULATION
Correlation analysis
CORRELATION FUNCTIONS
DISTANCE
Earth, ocean, space
Exact sciences and technology
GALACTIC EVOLUTION
GALAXIES
GALAXY CLUSTERS
Legacy
Mathematical models
Occupation
RED SHIFT
Small scale
UNIVERSE
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Summary:The 40% Arecibo Legacy Fast ALFA survey catalog ( alpha .40) of ~10, 150 H I-selected galaxies is used to analyze the clustering properties of gas-rich galaxies. By employing the Landy-Szalay estimator and a full covariance analysis for the two-point galaxy-galaxy correlation function, we obtain the real-space correlation function and model it as a power law, [xi](r) = (r/r sub(0)) super(- gamma ), on scales
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637X/750/1/38