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J/ApJ/317/102       Cancer cluster 1.4GHz continuum sources   (Salpeter+, 1987)
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1.4 GHz continuum sources in the Cancer cluster.
       Salpeter E.E., Dickey J.M.
      <Astrophys. J. 317, 102 (1987)>
      =1987ApJ...317..102S      (SIMBAD/NED BibCode)
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ADC_Keywords: Clusters, galaxy ; Galaxies, radio
Keywords: galaxies: clustering - galaxies: structure - radio sources: galaxies

Abstract:
    We report on 1.4GHZ continuum observations for 11 VLA fields, using
    the D-configuration, which contain the A group of the Cancer Cluster.
    Sixteen Zwicky spiral galaxies in the Cancer Cluster were detected,
    but no ellipticals. We corroborate the finding that spiral galaxies
    with close companions tend to have enhanced radio emission. Over 200
    continuum sources beyond the Cancer Cluster are tabulated. The
    spectral index (relative to 610MHz) is given for many of the sources,
    including some of the Zwicky galaxies. There is a suggestion for a
    nonuniform number surface-density distribution of the sources, not
    correlated with the Cancer Cluster. Possible predictions of such
    nonuniformities, from assumptions on " super-superclusters," are
    discussed.

File Summary:
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  FileName     Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe            80        .   This file
table2.dat        54      230   List of continuum sources observed in VLA fields
table3.dat        54       20   Radio sources identified with optical galaxies
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Table 1: Fied center coordinates and minimum reliably measured flux
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 Field    RA  (1950)  DE          Smin (at the field center)
        h  min      deg '          mJy
-------------------------------------------------------------------
   a    08 15.2     +21 16         0.7
   b    08 14.6     +20 50         0.8
   c    08 17.0     +21 21         1.2
   d    08 16.4     +20 55         0.9
   e    08 18.8     +21 26         1.2
   f    08 18.2     +21 00         1.2
   g    08 20.6     +21 31         1.0
   h    08 20.0     +21 05         1.6
   i    08 22.4     +21 36         3.0
   j    08 21.8     +21 10         2.5
   k    08 24.2     +21 41         1.2
-------------------------------------------------------------------

Byte-by-byte Description of file: table2.dat
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   Bytes Format Units   Label     Explanations
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   1-  3  I3    ---     VLA       [1/232]+ VLA sequential source number
       4  A1    ---   n_VLA       [*] Note on VLA source number (1)
   6- 10  A5    ---     Fields    Field designations (see table1)
  12- 15  F4.2  ---     GF        Gain factor (1)
      16  A1    ---   n_GF        Appropriate field when multiple detections (2)
  18- 19  I2    h       RAh       Right ascension (1950.0)
  21- 22  I2    min     RAm       Right ascension (1950.0)
  24- 27  F4.1  s       RAs       Right ascension (1950.0)
      29  A1    ---     DE-       Declination sign
  30- 31  I2    deg     DEd       Declination (1950.0)
  33- 34  I2    arcmin  DEm       Declination (1950.0)
  36- 37  I2    arcsec  DEs       Declination (1950.0)
  39- 43  F5.1  mJy     Scor      Corrected sky flux (Scor = Smap x GF)
  45- 49  F5.2  ---     SI        ? Spectral index between 610MHz and 1.48GHz
  51- 53  I3    arcsec  DMaj      ? Major diameter
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Note (1): Source that is in the overlap areas between the field centers.
Note (2): For multiple detections, the smallest values of GF is given and the
           appropriate field indicated in n_GF
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Byte-by-byte Description of file: table3.dat
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   Bytes Format Units    Label     Explanations
--------------------------------------------------------------------------------
   1-  3  I3    ---      VLA       VLA source number
   5-  7  I3    ---      Zw.119    ? Zwicky number in field 119 (Z 119 - NNN)
       8  A1    ---    n_Zw.119    [WE] Multiplicity index on Zw
  10- 17  A8    ---      Name      Other name
  19- 22  A4    ---      MType     ? Hubble type
      23  A1    ---    n_MType     [*] *: presence of a close companion
  25- 28  F4.1  mag      Phmag     ? Photographic magnitude
  30- 33  F4.1  mJy      Scor      Core flux density
  35- 38  F4.1  s        oRA       ? Optical-Radio right ascension
  40- 42  I3    arcsec   oDE       ? Optical-Radio declination
  44- 48  F5.2  10+3km/s Vres      ? Recession velocity
      49  A1    ---      Group     [ABD] Cancer group
  51- 54  F4.2  mJy      S60um     ? IRAS flux at 60{mu}m
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History: Prepared via OCR at CDS. Proof-read and corrections by
         Heinz Andernach (heinz@astro.ugto.mx) on 02-Feb-1999.
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(End)                           James Marcout, Patricia Bauer [CDS]  09-Nov-1998