Hα3: an Hα imaging survey of HI selected galaxies from ALFALFA. V. The Coma supercluster survey completion

Gavazzi, Giuseppe; Consolandi, Guido; Viscardi, Elisa; Fossati, Matteo; Savorgnan, Giulia; Fumagalli, Michele; Gutierrez, Leonel; Hector, Hernandez Toledo; Boselli, Alessandro; Giovanelli, Riccardo; Haynes, Martha P.

Abstract

Neutral hydrogen represents the major observable baryonic constituent of galaxies that fuels the formation of stars through transformation of molecular hydrogen. The emission of the hydrogen recombination line Hα is the most direct tracer of the process that transforms gas (fuel) into stars. We continue to present Hα3 (acronym for Hα − αα), an extensive Hα+[NII] narrow-band imaging campaign of galaxies selected from the HI Arecibo Legacy Fast ALFA Survey (ALFALFA), using the instrumentation available at the San Pedro Martir (SPM) observatory (Mexico). In 48 nights since 2011 we were able to carry out the Hα imaging observations of 724 galaxies in the region of the Coma supercluster 10h < RA < 16h ; 24° < Dec < 28° and 3900

Citation

Gavazzi, G., Consolandi, G., Viscardi, E., Fossati, M., Savorgnan, G., Fumagalli, M., …Haynes, M. P. (2015). Hα3: an Hα imaging survey of HI selected galaxies from ALFALFA. V. The Coma supercluster survey completion. Astronomy & Astrophysics, 576, https://doi.org/10.1051/0004-6361/201425349

• Journal Article Type: Article
• Acceptance Date: Dec 19, 2014
• Publication Date: Apr 1, 2015
• Deposit Date: Mar 31, 2015
• Publicly Available Date: Apr 22, 2015
• Journal: Astronomy and astrophysics.
• Print ISSN: 0004-6361
• Electronic ISSN: 1432-0746
• Publisher: EDP Sciences
• Peer Reviewed: Peer Reviewed
• Volume: 576
• DOI: https://doi.org/10.1051/0004-6361/201425349
• Keywords: Galaxies: clusters: individual: Coma, Galaxy: fundamental parameters, Galaxies: ISM.
• Public URL: https://durham-repository.worktribe.com/output/1443643