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J/A+AS/135/499        Double stars measurements                  (Salaman+ 1999)
CCD measurements of visual double stars made with the 50 cm refractor of
the Nice Observatory.
       Salaman M., Morlet G., Gili R.
      <Astron. Astrophys. Suppl. Ser. 135, 499 (1999)>
      =1999A&AS..135..499S      (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple

Keywords: astrometry - binaries: visual


Abstract:
    We present the measurements of 49 visual double stars made in 1997
    with the 50 cm refractor of the Nice Observatory (Table 1). A CCD
    camera was attached to this refractor. Some new binaries discovered by
    Hipparcos have been measured. The algorithm used for these
    measurements is based on the adjustment of a tridimensional
    mathematical surface.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1.dat        72       49   CCD measurements of visual double stars made with
                                the 50 cm refractor of the Nice Observatory


See also:
          I/211 : CCDM Components of Double and Multiple stars (Dommanget+ 1994)
          I/239 : The Hipparcos and Tycho Catalogues (ESA 1997)
 J/A+AS/102/643 : Double stars measurements at Nice Obs. (Muller, 1993)
 J/A+AS/106/377 : Double stars measurements at Nice Obs. (Couteau+, 1994)
 J/A+AS/115/59  : Double stars measurements at Nice Obs. (Thorel+, 1996)
 J/A+AS/126/1   : Double stars measurements at Nice Obs. (Gili+ 1997)
 J/A+AS/132/29  : Double stars measurements at Nice Obs. (Thorel, 1998)
 J/A+AS/145/67  : Double stars measurements at Nice Obs. (Morlet+ 2000)
 J/A+A/369/552  : Double stars measurements at Nice Obs. (Salaman+, 2001)
 J/A+A/378/954  : CCD measurements of double stars at Nice Obs. (Gili+, 2001)
 J/A+A/396/933  : Double stars measurements at Nice Obs. (Morlet+, 2002)


Byte-by-byte Description of file: table1.dat

   Bytes Format Units   Label     Explanations

   1- 10  A10   ---     CCDM      CCDM (Cat. I/211) number
  12- 19  A8    ---     Name      Name of the couple (1)
  21- 22  A2    ---     m_Name    Multiplicity index on Name
  24- 29  I6    ---     HIP       ? HIP (Cat. I/239) number
  31- 34  F4.1  mag     mag1      Magnitude of the first component
  36- 39  F4.1  mag     mag2      Magnitude of the second component
  41- 48  F8.3  yr      ObsDate   Observation date (in decimal years)
  50- 54  F5.1  deg     PA        Position angle
  56- 60  F5.2  arcsec  Sep       Separation angle
  62- 64  F3.1  mag     Dmag      Magnitude difference, measured without filters
      66  I1    ---     Nights    Number of nights
  68- 72  A5    ---     Nimage    Number of images

Note (1): HDS: star determined double by Hipparcos observations and previously
               unknown as double.


Acknowledgements: Guy Morlet 

(End)                                          Patricia Bauer [CDS]  26-Feb-1999