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J/A+A/315/348       BVI photometry of two Orion galaxies    (Karachentsev+ 1996)
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Two dwarf galaxies in Orion with low radial velocities.
       Karachentsev I., Musella I.
      <Astron. Astrophys. 315, 348 (1996)>
      =1996A&A...315..348K      (SIMBAD/NED BibCode)
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ADC_Keywords: Galaxies, photometry
Keywords: galaxies: distances - galaxies: irregular -
          galaxies: individual: ORION (0542+0502) -
          galaxies: individual: A0554+0728

Description:
    Two relatively faint (B=15.7 and B=18.4mag, respectively), low
    velocity (+276 and +322km/s) galaxies were imaged with a CCD in the B,
    V, I bands at the prime focus of the 6m telescope on 16 October 1993.
    By means of the brightest stars we estimated their distances to be 6.4
    and 5.5(+/-2)Mpc, assuming a galactic extinction of 2.7 and 2.9mag,
    respectively. We note that these isolated irregular dwarfs are located
    to a high Supergalactic latitude, -63deg, and their low radial
    velocities may be the result of a retarded expansion along the polar
    axis of the Local cloud of galaxies.

Objects:
    -------------------------------------------------------
       RA   (2000)   DE       Designation(s)
    -------------------------------------------------------
     05 45 02     +05 03 41   ORION galaxy = Anon 0542+0502
     05 57 33     +07 29 00   Anon 0554+0728 = Anon 0554+07
    -------------------------------------------------------

File Summary:
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  FileName   Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe          80        .   This file
tablea1.dat     32      140   BVI photometry of resolved stars in the field
                               of the ORION galaxy
tablea2.dat     34       70   BVI photometry of resolved stars in the field
                               of the A0554 galaxy
tableph.tex     73      315   LaTeX version of the tables
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Byte-by-byte Description of file: tablea1.dat, tablea2.dat
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   Bytes Format Units   Label   Explanations
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   1-  3  I3    ---     Seq     [1/140]+ Star running number (1)
   5-  8  F4.1  arcsec  Xpos    Position on V CCD frame as given by ALLSTAR
  10- 14  F5.1  arcsec  Ypos    Position on V CCD frame as given by ALLSTAR
  16- 20  F5.2  mag     Bmag    ? Calibrated B magnitude
  22- 26  F5.2  mag     Vmag    ? Calibrated V magnitude
  28- 32  F5.2  mag     Imag    ? Calibrated I magnitude
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Note (1): In tablea1: Star 75=B1, 45=B2, 114=B3, 108=B4, 15=B5.
          Magnitude of the star 98 is affected by bad pixels and
          the objects 65, 73, and 107 look like compact HII regions
     In tablea2: Star 28=B1, 39=B2, 47=B3, 34=B4.
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Acknowledgements: Ilaria Musella <ilaria@oacosf.na.astro.it>
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(End)                                         Patricia Bauer [CDS]   23-May-1996