The Arecibo Legacy Fast ALFA Survey: The alpha.40 HI Source Catalog, its Characteristics and their Impact on the Derivation of the HI Mass Function

We present a current catalog of 21 cm HI line sources extracted from the Arecibo Legacy Fast Arecibo L-band Feed Array (ALFALFA) survey over ~2800 square degrees of sky: the alpha.40 catalog. Covering 40% of the final survey area, the alpha.40 catalog contains 15855 sources in the regions 07h30m <...

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Veröffentlicht in:	arXiv.org 2011-08
Hauptverfasser:	Haynes, Martha P, Giovanelli, Riccardo, Martin, Ann M, Hess, Kelley M, Saintonge, Amelie, Adams, Elizabeth A K, Hallenbeck, Gregory, Hoffman, G Lyle, Huang, Shan, Kent, Brian R, Koopmann, Rebecca A, Papastergis, Emmanouil, Stierwalt, Sabrina, Balonek, Thomas J, Craig, David W, Higdon, Sarah J U, Kornreich, David A, Miller, Jeffrey R, O'Donoghue, Aileen A, Olowin, Ronald P, Rosenberg, Jessica L, Spekkens, Kristine, Parker Troischt, Wilcots, Eric M
Format:	Artikel
Sprache:	eng
Schlagworte:	Alfalfa Derivation Galaxies Large scale structure of the universe Optical counterparts (astronomy) Photometry Physics - Cosmology and Nongalactic Astrophysics Physics - Instrumentation and Methods for Astrophysics Sensitivity analysis Sky surveys (astronomy)
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