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J/MNRAS/383/445    Radial velocities in the Norma cluster (A3627) (Woudt+, 2008)
The Norma cluster (ACO 3627).
I. A dynamical analysis of the most massive cluster in the Great Attractor.
    Woudt P.A., Kraan-Korteweg R.C., Lucey J., Fairall A.P., Moore S.A.W.
   <Mon. Not. R. Astron. Soc., 383, 445-457 (2008)>
   =2008MNRAS.383..445W
ADC_Keywords: Clusters, galaxy ; Radial velocities

Keywords: galaxies: clusters: individual: Norma cluster (ACO 3627) -
          galaxies: elliptical and lenticular, cD -
          galaxies: individual: WKK 6176 - galaxies: kinematics and dynamics

Abstract:
    A detailed dynamical analysis of the nearby rich Norma cluster
    (ACO 3627) is presented. From radial velocities of 296 cluster
    members, we find a mean velocity of 4871±54km/s and a velocity
    dispersion of 925km/s. The mean velocity of the E/S0 population
    (4979±85km/s) is offset with respect to that of the S/Irr population
    (4812±70km/s) by Δv=164km/s in the cluster rest frame. This
    offset increases towards the core of the cluster. The E/S0 population
    is free of any detectable substructure and appears relaxed. Its shape
    is clearly elongated with a position angle that is aligned along the
    dominant large-scale structures in this region, the so-called Norma
    wall. The central cD galaxy has a very large peculiar velocity of
    561km/s which is most probably related to an ongoing merger at the
    core of the cluster.

Description:
    Spectra were obtained with the 2dF facility on the 3.9m
    Anglo-Australian Telescope on 2001 May 30.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table2.dat        60      182   Results of the 2dF spectroscopy


See also:
    J/A+A/380/441 : Galaxies behind Southern Milky Way. II. (Woudt+, 2001)


Byte-by-byte Description of file: table2.dat

   Bytes Format Units   Label     Explanations

   1- 22  A22   ---     Name      Galaxy name (1)
  24- 25  I2    h       RAh       Right ascension (J2000)
  27- 28  I2    min     RAm       Right ascension (J2000)
  30- 35  F6.3  s       RAs       Right ascension (J2000)
      37  A1    ---     DE-       Declination sign (J2000)
  38- 39  I2    deg     DEd       Declination (J2000)
  41- 42  I2    arcmin  DEm       Declination (J2000)
  44- 48  F5.2  arcsec  DEs       Declination (J2000)
  50- 54  I5    km/s    HVabs     ? Heliocentric velocity obtained through
                                    absorption features
  56- 60  I5    km/s    HVem      ? Heliocentric velocity obtained through
                                    emission features

Note (1): The WKK identification (Woudt & Kraan-Korteweg, 2001, Cat.
     J/A+A/380/441, WKK98 NNNN in Simbad) is given if the galaxy has been
     identified by WKK. Alternative names for galaxies are given if a WKK
     identification was unavailable but when the galaxy has been identified
     already in another survey (e.g. 2MASX J, Skrutskie et al.,
     2006AJ....131.1163S). A new identification was given to galaxies not
     yet catalogued in the literature, but which we identified from deep
     RC imaging (e.g. ZOA J, see Section 4).


History:
    * 16-May-2008: From electronic version of the journal
    * 26-Sep-2008: WKK6167 corrected into WKK6177 (from coordinates)
(End)                                      Patricia Vannier [CDS]    24-Apr-2008