Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21840820b&link_type=abstract
American Astronomical Society, AAS Meeting #218, #408.20; Bulletin of the American Astronomical Society, Vol. 43, 2011
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 18 institutions, aimed at investigating properties of galaxy groups surveyed by the ALFALFA blind HI survey. The Hartwick College team is analyzing a 6X6 degree region around galaxy group WBL 368. Group membership is determined with IDL routines based on RASSCALS x-ray data, optical positions and redshift measurements. Dyanmical mass estimations are then made using Heisler projector methods. This work is done in an effort to develop IDL routines, which could be applied to a broad sample of galaxy groups in the future and has been supported by NSF grants AST-0724918, AST-0725267 and AST-0725380.
ALFALFA Team
Brault Michelle
Troischt Parker
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