作者: C. Carignan , O. Daigle , O. Daigle , P. Amram , O. Hernandez
DOI: 10.1111/J.1365-2966.2008.13422.X
关键词:
摘要: We present the Fabry-Perot observations obtained for a new set of 108 galaxies in frame Gassendi Ha survey SPirals (GHASP). The GHASP consists 3D data cubes 203 spiral and irregular galaxies, covering large range morphological types absolute magnitudes, kinematics analysis. presented here completes survey. sample is by now largest ever published. analysis whole will be done forthcoming papers. Using adaptive binning techniques based on Voronoi tessellations, we have derived from which are computed maps, radial velocity fields as well residual fields, position-velocity diagrams, rotation curves kinematical parameters almost all galaxies. Original improvements determination parameters, their uncertainties been implemented reduction procedure. This method 2D field power spectrum rather than classical using successive crowns field. Among results, point out that position angles systematically higher ones, especially with low inclination. inclination having no robust angle cannot constrained correctly. Galaxies high show better agreement between assuming thin disc. consistency amplitude our has checked Tully-Fisher relationship. Our good previous determinations found literature. Nevertheless, statistically velocities expected fast rotators less luminous expected.