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J/ApJ/498/195       Spectroscopic survey of CL 1358+62        (Fisher+ 1998)
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A spectroscopic survey of the galaxy cluster CL 1358+62 at z = 0.328.
       Fisher D., Fabricant D., Franx M., Van Dokkum P.
      <Astrophys. J. 498, 195 (1998)>
      =1998ApJ...498..195F      (SIMBAD/NED BibCode)
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ADC_Keywords: Clusters, galaxy ; Redshifts ; Spectroscopy ; Photometry
Keywords: galaxies: clusters: individual: CL 1358+6345 -
          galaxies: distance and redshifts - galaxies: evolution -
          galaxies: kinematics and dynamics - galaxies: structure

Abstract:
    We present a spectroscopic survey of the rich X-ray-selected galaxy
    cluster CL 1358+6245 at z=0.328. When our 173 new multislit spectra of
    cluster galaxies are combined with data from the literature, we
    produce a catalog of 232 cluster members in a region 10'x11'
    (3.5Mpcx3.8Mpc) surrounding the brightest cluster galaxy. These data
    are used to study the structure and dynamics of the cluster and to
    examine the radial and velocity distributions as a function of
    spectral type. We classify the spectral types of the cluster members
    according to the strengths of the Balmer absorption lines (H{delta},
    H{gamma}, and H{beta}) and the [O II] 3727{AA} emission line.

Objects:
    ----------------------------------------------------------
       RA  (2000)  DE      Designation(s)
    ----------------------------------------------------------
    13 59 54.0 +62 30 36   ClG 1358+62 = ZwCl 1358+6245
    ----------------------------------------------------------

File Summary:
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  FileName        Lrecl  Records   Explanations
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ReadMe             80        .   This file
table1.dat        101      232   CL 1358+62 catalog
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See also:
   J/ApJ/500/714 : Color-magnitude relation in CL 1358+62    (Van Dokkum+ 1998)

Byte-by-byte Description of file: table1.dat
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   Bytes Format Units   Label     Explanations
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   1-  4  I4    ---     [FFF98]   Identification number ([FFF98] NNNN)
   6- 12  F7.2  arcsec  xpos      x position (1)
  14- 20  F7.2  arcsec  ypos      y position (1)
  22- 26  F5.2  mag     Rmag      R magnitude
  28- 31  F4.2  mag     V-R       ? V-R colour index
  33- 39  F7.5  ---     z         Redshift
  41- 47  F7.5  ---   e_z         rms uncertainty on z
  49- 52  F4.1  ---     Hd        ? Line strength index H{delta} (2)
  54- 57  F4.1  ---   e_Hd        ? rms uncertainty on Hd
  59- 63  F5.1  ---     Hg        ? Line strength index H{gamma} (2)
  65- 68  F4.1  ---   e_Hg        ? rms uncertainty on Hg
  70- 74  F5.1  ---     Hb        ? Line strength index H{beta} (2)
  76- 79  F4.1  ---   e_Hb        ? rms uncertainty on Hb
  81- 85  F5.1  ---     [OII]     ? Line strength index [O II] (2)
  87- 90  F4.1  ---   e_[OII]     ? rms uncertainty on [O II]
  92-101  A10   ---     Notes     Notes (3)
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Note (1): Positions are given with respect to the brightest cluster galaxy
           (number 375) at RA=13h58m20.7s, DE=+62{deg}45'33" (1950), with
           positive x to the west and positive y to the north.
Note (2):  The strength of each spectral index is a measure of the flux in the
            central bandpass compared to a continuum level set by the sidebands.
           ------------------------------------------------------------------
              Line strength index definitions:
           ------------------------------------------------------------------
              Index         Bandpass         Blue Sideband     Red Sideband
           ------------------------------------------------------------------
              Hdelta    4083.500-4122.250   4017.00-4057.00   4153.00-4193.00
              Hgamma    4319.750-4363.500   4242.00-4282.00   4404.00-4444.00
              Hbeta     4847.875-4876.625   4799.00-4839.00   4886.00-4926.00
              [O II]    3716.300-3738.300   3696.30-3716.30   3738.30-3758.30
           ------------------------------------------------------------------
Note (3): abs: galaxy with absorption lines
          emi: galaxy with emission lines
          E+A: starburst galaxy
      bcg+emi: brightest cluster galaxy, galaxy with emission lines
   emi+Hdelta: galaxy with [O II] emission and H{delta} absorption stronger
                than 4{AA}.
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History: From ApJ electronic version
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(End)                           James Marcout, Patricia Bauer [CDS]  12-Aug-1998