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J/A+AS/121/507     Near-IR surface photometry of Virgo galaxies  (Boselli+ 1997)
Near infrared surface photometry of late-type Virgo cluster galaxies
     Boselli A., Tuffs R., Gavazzi G., Hippelein H., Pierini D.
    <Astron. Astrophys. Suppl. Ser. 121, 507 (1997)>
    =1997A&AS..121..507B      (SIMBAD/NED BibCode)
ADC_Keywords: Galaxies, IR ; Photometry, surface

Keywords: galaxies: fundamental parameters - galaxies: photometry -
          infrared: galaxies - galaxies: clusters: Virgo cluster

Description:
    The basic parameters of galaxies observed in this work: table 3: total
    H and K' magnitudes derived using circular apertures; table 5:
    photometric parameters derived along elliptical apertures

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table3            75      102   Basic parameters of galaxies
table5            82      130   Photometric parameters
table6            20     5291   Differential H and K' band radial surface
                                  brightness profiles


Byte-by-byte Description of file: table3

   Bytes Format Units   Label     Explanations

   2-  5  I4    ---     VCC       VCC name (=1985AJ.....90.1681B)
       6  A1    ---     n_VCC     [*] Note on VCC name (1)
   8- 11  I4    ---     NGC/IC    ? NGC/IC name (Catalogue VII/1)
  13- 16  I4    ---     UGC       ? UGC name (Catalogue VII/26)
  18- 19  I2    h       RAh       Right Ascension (B1950)
  20- 21  I2    min     RAm       Right ascension (B1950)
  22- 25  F4.1  s       RAs       Right ascension (B1950)
  28- 29  I2    deg     DEd       Declination (B1950)
  30- 31  I2    arcmin  DEm       Declination (B1950)
  32- 33  I2    arcsec  DEs       Declination (B1950)
  37- 44  A8    ---     Mtype     Morphological type
  45- 49  F5.2  arcmin  a         Optical major diameter
  52- 55  F4.2  arcmin  b         Optical minor diameter
  57- 61  F5.2  mag     Bmag      B magnitude (total)
  63- 67  F5.2  mag     Hmag      ? H magnitude (total)
  69- 73  F5.2  mag     K'mag     ? K' magnitude (total)

Note (1): An * indicates galaxies not included in the sample as defined in
           Sect. 2.


Byte-by-byte Description of file: table5

   Bytes Format Units   Label     Explanations

   2-  5  I4    ---     VCC       VCC name (=1985AJ.....90.1681B)
  11- 12  A2    ---     Filt      Adopted filter
  14- 15  I2    s       IntTime   Integration time per position
  17- 18  I2    ---     a         Number of frames per galaxy
  20- 21  A2    ---     m         Adopted mosaic
  23- 26  F4.2  arcsec  Size      Pixel size
      28  A1    ---     Qphot     Photometric quality
  32- 34  I3    deg     PA        Position angle
      35  A1    ---     u_PA      [)] Uncertainty flag on PA
  37- 40  F4.2  ---     1-b/a     Ellipticity
      41  A1    ---     u_1-b/a   [)] Uncertainty flag on 1-b/a
      42  A1    ---     Note      [t] A 't' indicates "troncated", no following
                                       values
  43- 47  F5.1  arcsec  a21.5     ? Isophotal diameter at 21.5mag/arcsec2
  50- 54  F5.2  mag     m21.5     ? Integrated magnitude at a21.5
  58- 61  F4.2  ---     c31_215   ? Concentration index at a21.5
  64- 68  F5.1  arcsec  a22       ? Isophotal diameter at 22mag/arcsec2
  71- 75  F5.2  mag     m22       ? Integrated magnitude at a22
  79- 82  F4.2  ---     c31_22    ? Concentration index at a22


Byte-by-byte Description of file: table6

   Bytes Format   Units     Label     Explanations

   1-  4  I4      ---       VCC       VCC name (=1985AJ.....90.1681B)
   6-  7  A2      ---       Filt      Adopted filter
   9- 14  F6.2    arcsec    Rad       Radius on the major axis of the ellipse
  16- 20  F5.2  mag/arcsec2 SuBr      Surface brightness at the given radius


Acknowledgements: Alessandro Boselli 


References:
   Virgo Cluster Catalog (VCC), Binggeli B. et al., =1985AJ.....90.1681B
(End)                                        Patricia Bauer  [CDS]   23-Jul-1996