/ftp/cats/aliases/K/./KZP2010



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J/A+A/520/A109      Gas kinematics of spiral galaxies        (Kutdemir+, 2010)
The following files can be converted to FITS (extension .fit or fit.gz)
	table[13].dat tablec1.dat tablec2.dat tablec3.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/A+A/520/A109
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Beginning of ReadMe : J/A+A/520/A109 Gas kinematics of spiral galaxies (Kutdemir+, 2010) ================================================================================ Internal kinematics of spiral galaxies in distant clusters. IV. Gas kinematics of spiral galaxies in intermediate redshift clusters and in the field. Kutdemir E., Ziegler B.L., Peletier R.F., Da Rocha C., Boehm A., Verdugo M. <Astron. Astrophys., 520, A109-109 (2010)> =2010A&A...520A.109K ================================================================================ ADC_Keywords: Clusters, galaxy ; Redshifts ; Photometry, UBVRI ; Morphology Keywords: galaxies: evolution - galaxies: kinematics and dynamics - galaxies: clusters: general - galaxies: spiral Abstract: We trace the interaction processes of galaxies at intermediate redshift by measuring the irregularity of their ionized gas kinematics, and investigate these irregularities as a function of the environment (cluster versus field) and of morphological type (spiral versus irregular). We obtain the gas velocity fields by placing three parallel and adjacent VLT/FORS2 slits on each galaxy. To quantify irregularities in the gas kinematics, we use three indicators: the standard deviation of the kinematic position angle (sigma_PA_), the mean deviation of the line of sight velocity profile from the cosine form which is measured using high order Fourier terms (k_3,5_/k_1_) and the average misalignment between the kinematical and photometric major axes (Deltaphi). These indicators are then examined together with some photometric and structural parameters (measured from HST and FORS2 images in the optical) such as the disk scale length, rest-frame colors, asymmetry, concentration, Gini coefficient and M20 . Our sample consists of 92 distant galaxies. 16 cluster (z 0.3 and z 0.5) and 29 field galaxies (0.10<=z<=0.91, mean z=0.44) of these have velocity fields with sufficient signal to be analyzed. To compare our sample with the local universe, we also analyze a sample from the SINGS survey. Description: Our spectroscopic observations were spread across 5 nights in October and November 2004 for Cl 0412, 7 nights in December 2005 and February 2005 for MS 1008, 5 nights between May and July 2005 for MS 2137. For photometric data, we use both VLT/FORS2 and HST/ACS images. We obtained imaging of the MS 1008, MS 2137 and Cl 0412 samples in the ACS/F606W filter while we exploited existing imaging of MS 0451 in the ACS/F814W filter from the ST-ECF HST archive. Ground based images were taken in the B, V, R and I filters for the whole sample. The FORS2 filters B, V and I are close approximations to the Johnson-Cousins photometric system while the R filter is a special filter for FORS2 that is similar to the Cousins R .