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J/A+AS/125/329      Southern binary galaxies radial velocities (de Souza+ 1997)
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Radial velocities and spectrophotometric properties of Southern Binary Galaxies
       de Souza R.E., de Mello D.F., dos Anjos S.
      <Astron. Astrophys. Suppl. Ser. 125, 329 (1997)>
      =1997A&AS..125..329D      (SIMBAD/NED BibCode)
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ADC_Keywords: Radial velocities ; Galaxies, photometry
Keywords: galaxies: interactions - galaxies: stellar content

Description:
    We present spectrophotometry of a sample of 26 Southern binary
    galaxies. 17 pairs were confirmed to be physically associated with
    typical separation of 136h^-1^kpc. Pairs with velocity difference
    {DELTA}V>=600km/s are probably not physically bound. A comparison with
    field galaxies suggests that galaxies in pairs tend to have a younger
    population probably stimulated by tidal interaction. No correlation
    between the young population and projected separation was found. This
    table contains the quantities derived from the spectral data.

File Summary:
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  FileName      Lrecl  Records   Explanations
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ReadMe             80        .   This file
table1             76       53   Quantities derived from the spectral data
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See Also:
   J/A+AS/110/371 : Southern binary galaxies. I. (Soares+, 1995)

Byte-by-byte Description of file: table1
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   Bytes Format Units  Label  Explanations
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   1-  7  A7    ---    Obj    Identification of the pairs (Soares et al, 1995,
                                Cat. <J/A+AS/110/371>)
   9- 16  A8    ---    ESO    ESO-LV (Cat. <VII/34>) identification number
  18- 21  F4.1  mag    BT     ? Blue Total magnitudes from ESO-LV
  23- 24  I2    ---    MType  [-5/8]? Numerical code for morphological type
  27- 31  I5    km/s   RVabs  ? Radial velocity from absorption lines
  33- 34  I2    km/s e_RVabs  ? rms uncertainty on Vabs
  36- 37  I2    ---  q_RVabs  [4/15]? Tonry and Davis (1979AJ.....84.1511T)
                                 quality parameter
                       Note   [P] P for peculiar morphological type (1)
  39- 42  F4.2  ---    Max    ? Peak value of correlation spectra
  44- 48  I5    km/s   RVems  ? Radial velocity from emission lines
  50- 52  I3    km/s e_RVems  ? rms uncertainty on Vems
  54- 55  I2    ---    Nlin   ? Number of emission lines
  57- 61  I5    km/s   RVZcat ? Radial velocity from Zcat (Cat. <VII/193>)
  63- 67  F5.2  ---    R40    ? Blue Excess
  69- 71  I3    km/s   DRV    ? Difference of radial velocity for the true pairs
  73- 76  I4    arcsec Sep    ? Separation of each pair
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Note (1): Actually there is no quality parameter for n1741, since the spectra of
           this object is so rich in emission lines that the cross correlation
           technique could not be used.
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Acknowledgements: Ronaldo de Souza <ronaldo@kbrita.iagusp.usp.br>
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(End)                                         Patricia Bauer [CDS]   04-Feb-1997