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

Martha P. Haynes, Riccardo Giovanelli, Ann M. Martin, Kelley M. Hess, Amelie Saintonge, Elizabeth A. K. Adams, Gregory Hallenbeck, G. Lyle Hoffman, Shan Huang, Brian R. Kent, Rebecca A. Koopmann, Emmanouil Papastergis, Sabrina Stierwalt, Thomas J. Balonek, David W. Craig, Sarah J. U. Higdon, David A. Kornreich, Jeffrey R. Miller, Aileen A. O'Donoghue, Ronald P. OlowinJessica L. Rosenberg, Kristine Spekkens, Parker Troischt, Eric M. Wilcots

Research output: Contribution to journalArticleAcademicpeer-review


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
Original languageUndefined/Unknown
JournalThe Astronomical Journal
Publication statusPublished - 31-Aug-2011


  • astro-ph.CO
  • astro-ph.IM

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