... Direct methods . Ha emission measurements . Deep HI observations of groups and spiralgalaxies . Ionization constraints . Lya absorber constraints . ...
... Here we propose Arecibo observations of the HI content of 9 more galaxies, to create a complete sample of the spiralgalaxies withinin 1 RA in the core Pegasus I cluster. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/RosetagA1915tp.ps -- 91.2 Кб -- 25.05.2004 Похожие документы
... NGC ~ 2903 { a Pilot Study for ALFA ABSTRACT: This proposal seeks to conduct a pilot survey of NGC 2903, a nearby massive, isolated spiralgalaxy in order to: 1. observe the outer HI disk of the galaxy to measure the level at which the column density may ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/IrwintagA1802tp.ps -- 100.8 Кб -- 19.04.2004 Похожие документы
... 2001. *Giovanelli, R., SpiralGalaxies and the Peculiar Velocity Field , to appear in Proceedings of the XIV IAP Coll. ... Giovanelli, R. and Haynes, M.P., The Inner Scale Length of SpiralGalaxy Rotation Curves , Astrophys. J.Lett., 571, L107, Jun. ...
... Galaxies at I Band and in the 21cm Line Proceedings of the NATO Symposium Opacity of ... W., Salzer, J. and Wegner, G., SpiralGalaxies and the Peculiar Velocity Field ... Magri, C., Arm Structure in Normal SpiralGalaxies. II. ...
... voids in the large scale structure of galaxies, isolated spiralgalaxies and their halos, extending to the galaxy rich central ... In summary the NGC628 group consists of two spiralgalaxies and a number of star forming dwarf irregular galaxies. ...
... Lines - A Pilot Project ABSTRACT: Radio Recombination Lines (RRL) from extragalactic sources provide a unique opportunity to study the kinematics and physical properties of the ionized gas in nearby spiralgalaxies, starburst galaxies and even quasars ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/HofnertagA1256tp.ps -- 92.7 Кб -- 15.10.2002 Похожие документы