Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21933829d&link_type=abstract
American Astronomical Society, AAS Meeting #219, #338.29
Astronomy and Astrophysics
Astronomy
Scientific paper
The Undergraduate ALFALFA (Arecibo Legacy Fast ALFA) Team Groups Project is a collaborative undertaking of faculty and undergraduates at 11 institutions, aimed at investigating properties of galaxy groups surveyed by the ALFALFA blind HI survey. The Union College team is analyzing a 9x7 degree region surrounding the galaxy group NGC 5846. We present HI and star formation properties based on analysis of data from the ALFALFA survey, KPNO MOSAIC and CTIO SMARTS 0.9m Halpha imaging, and Sloan Digital Sky Survey spectra. 34% of NGC 5846 group members are detected in HI compared to 60% of galaxies in the environment. Preliminary results indicate that star formation rates are lower in group galaxies. This work has been supported by NSF grants AST-0724918, AST-0725267, and AST-0725380.
ALFALFA Team
Darling Halley
Koopmann Rebecca A.
Smith William
Viani L.
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