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J/ApJ/563/629   VIK' photometry and redshifts of galaxy clusters (Nelson+, 2001)
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Cluster galaxy evolution from a new sample of galaxy clusters at 0.3<z<0.9.
    Nelson A.E., Gonzalez A.H., Zaritsky D., Dalcanton J.J.
   <Astrophys. J. 563, 629 (2001)>
   =2001ApJ...563..629N
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ADC_Keywords: Clusters, galaxy ; Redshifts ; Photometry ; Photometry, infrared
Keywords: galaxies: clusters: general - galaxies: evolution -
          galaxies: formation - galaxies: photometry - surveys

Abstract:
    We analyze photometry and spectroscopy of a sample of 63 clusters at
    0.3<=z<=0.9 drawn from the Las Campanas Distant Cluster Survey to
    empirically constrain models of cluster galaxy evolution.
    Our data originate from a variety of telescopes and instruments. The
    candidate galaxy clusters are identified using drift-scan images and
    techniques described briefly below for context but in full detail by
    Gonzalez et al. (2001, Cat. <J/ApJS/137/117>).

File Summary:
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 FileName    Lrecl  Records   Explanations
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ReadMe          80        .   This file
table1.dat      73       75   Observations
table2.dat      78       75   Redshift data
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See also:
       VII/203   : Las Campanas Redshift Survey (Shectman+ 1996)
 J/AJ/119/2598   : u'g'r'i'z' photometry of LCRS galaxies (Sowards-Emmerd+ 2000)
 J/ApJS/123/41   : Radio galaxies in LCRS (Machalski+, 1999)
 J/ApJS/130/237  : LCRS loose groups of galaxies (Tucker+, 2000)
 J/ApJS/137/117  : Las Campanas Distant Cluster Survey (LCDCS) (Gonzales+, 2001)
 J/MNRAS/327/588 : Las Campanas/AAT Rich Cluster Survey - I (Pimbblet+, 2001)
 J/other/AN/321.101 : Compact groups of galaxies in LCRS (Allam+, 2000)

Byte-by-byte Description of file: table1.dat
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   Bytes Format Units   Label     Explanations
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   1- 11  A11   ---     Cluster   Cluster designation
  13- 14  I2    h       RAh       Right ascension (J2000.0)
  16- 17  I2    min     RAm       Right ascension (J2000.0)
  19- 23  F5.2  s       RAs       Right ascension (J2000.0)
      25  A1    ---     DE-       Declination sign (J2000.0)
  26- 27  I2    deg     DEd       Declination (J2000.0)
  29- 30  I2    arcmin  DEm       Declination (J2000.0)
  32- 35  F4.1  arcsec  DEs       Declination (J2000.0)
  37- 39  I3    min     TexpV     ? Exposure time in V band
      40  A1    ---   r_TexpV     [abcd] Telescope used for observations (1)
  42- 44  F3.1  arcsec  SeeingV   ? Seeing in V band
  46- 48  I3    min     TexpI     ? Exposure time in I band
      49  A1    ---   r_TexpI     [abcd] Telescope used for observations (1)
  51- 53  F3.1  arcsec  SeeingI   ? Seeing in I band
  55- 57  I3    min     TexpK'    ? Exposure time in K' (2.5{mu}m) band
      58  A1    ---   r_TexpK'    [abcd] Telescope used for observations (1)
  60- 62  F3.1  arcsec  SeeingK'  ? Seeing in K' (2.5{mu}m) band
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Note (1): Telescope used:
      a: Palomar 1.5m
      b: Lick 3m
      c: Las Campanas 1m
      d: Las Campanas 2.5m
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Byte-by-byte Description of file: table2.dat
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   Bytes Format Units   Label   Explanations
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   1- 11  A11   ---     Cluster Cluster candidate name
  13- 16  F4.2  ---     zSpec   ? The spectroscopic redshift
  18- 21  F4.2  ---     zLum    ? Redshift from the I band luminosity function
  23- 26  F4.2  ---   e_zLum    ? Error in zLum
  28- 31  F4.2  ---     zCol    ? Redshift from the the cluster's `red-envelope'
                                   location in the color-magnitude diagram
  33- 36  F4.2  ---   e_zCol    ? Error in zCol
  38- 41  F4.2  ---     zBGC    ? Redshift from the brightest cluster galaxy
  43- 46  F4.2  ---   e_zBGC    ? Error in zBGC
  48- 52  F5.2  mag     I*mag   ? I band m* magnitude (1)
  54- 57  F4.2  mag   e_I*mag   ? Error in I*mag
  59- 62  F4.2  mag     V-I     ? The (V-I) color of the `red-envelope'
  64- 67  F4.2  mag   e_V-I     ? Error in V-I
  69- 72  F4.2  mag     I-K'    ? The (I-K') color of the `red-envelope'
  74- 77  F4.2  mag   e_I-K'    ? Error in I-K'
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Note (1): m* is the characteristic magnitude, see Schechter, 1976ApJ...203..297S
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History:
    From electronic version of the journal
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(End)                    Greg Schwarz [AAS], Patricia Bauer [CDS]    18-Feb-2002