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J/AJ/133/889        Faint companions of Hipparcos stars      (Lepine+, 2007)
New distant companions to known nearby stars.
II. Faint companions of Hipparcos stars and the frequency of wide binary
systems.
    Lepine S., Bongiorno B.
   <Astron. J., 133, 889-905 (2007)>
   =2007AJ....133..889L
ADC_Keywords: Stars, double and multiple ; Proper motions ;
              Parallaxes, trigonometric
Keywords: astrometry - binaries: general - Galaxy: kinematics and dynamics -
          solar neighborhood

Abstract:
    We perform a search for faint, common proper motion companions of
    Hipparcos stars using the recently published Lepine-Shara
    Prope-Motion-North catalog of stars with proper motion µ>0.15"/yr.
    Our survey uncovers a total of 521 systems with angular separations
    3"<Δθ<1500", with 15 triples and 1 quadruple. Our new list
    of wide systems with Hipparcos primaries includes 130 systems
    identified here for the first time, including 44 in which the
    secondary star has V>15.0. Our census is statistically complete for
    secondaries with angular separations 20"<Δθ<300" and
    apparent magnitudes V<19.0. Overall, we find that at least 9.5% of
    nearby (d<100pc) Hipparcos stars have distant stellar companions with
    projected orbital separations s>1000AU.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1.dat       173      168   Common proper motion systems with 2 or more
                              Hipparcos stars
table2.dat       165       20   Common proper motion systems with only one
                              Hipparcos Star, uncertain companionship
table3.dat       161      364   Common proper motion systems with only one
                              Hipparcos star


See also:
    I/239 : The Hipparcos and Tycho Catalogues (ESA 1997)
    I/298 : LSPM-North Catalog (Lepine+ 2005)


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

   Bytes Format Units    Label    Explanations

   1-  4  A4    ---      ---      [LSPM]
   6- 16  A11   ---      LSPM1    Primary's LSPM-north catalog identification
  18- 23  I6    ---      HIP1     Primary's Hipparcos catalog number
  25- 34  F10.6 deg      RA1deg   Primary's Right Ascension J2000
  36- 44  F9.6  deg      DE1deg   Primary's Declination (J2000)
  46- 51  F6.3 arcsec/yr pmRA1    Primary's proper motion in Right Ascension
  53- 58  F6.3 arcsec/yr pmDE1    Primary's proper motion in Declination
  60- 64  F5.2  mag      Vmag1    Primary's V band magnitude
  66- 70  F5.2  mag      V-J1     ?=99.900 Primary's V-J color index
  72- 76  F5.1  mas      plx1     Primary's parallax
  78- 81  F4.1  mas      e_plx1   Measurement error in plx1
  83- 88  F6.1  arcsec   Sep      Angular separation between components
  90- 93  A4    ---      ---      [LSPM]
  95-105  A11   ---      LSPM2    Secondary's LSPM-north catalog identification
 107-112  I6    ---      HIP2     Secondary's Hipparcos catalog number
 114-123  F10.6 deg      RA2deg   Secondary's Right Ascension (J2000)
 125-133  F9.6  deg      DE2deg   Secondary's Declination (J2000)
 135-140  F6.3 arcsec/yr pmRA2    Secondary's proper motion in Right Ascension
 142-147  F6.3 arcsec/yr pmDE2    Secondary's proper motion in Declination
 149-153  F5.2  mag      Vmag2    Secondary's V band magnitude
 155-159  F5.2  mag      V-J2     Secondary's V-J color index
 161-165  F5.1  mas      plx2     Secondary's parallax
 167-170  F4.1  mas      e_plx2   Measurement error in plx2
 172-173  A2    ---      Comm     Comment (1)

Note (1): Comment as follows:
     GC = Pair listed in catalog by Gould & Chaname (2004, Cat. J/ApJS/150/455)
      T = Pair is part of a resolved triple system


Byte-by-byte Description of file: table2.dat

   Bytes Format Units    Label     Explanations

   1- 11  A11   ---      LSPM1     Primary's LSPM-north catalog identification
  13- 18  I6    ---      HIP       Primary's Hipparcos catalog number
  20- 29  F10.6 deg      RA1deg    Primary's Right ascension (J2000.0)
  31- 39  F9.6  deg      DE1deg    Primary's Declination (J2000.0)
  41- 46  F6.3 arcsec/yr pmRA1     Primary's proper motion in Right Ascension
  48- 53  F6.3 arcsec/yr pmDE1     Primary's proper motion in Declination
  55- 59  F5.2  mag      Vmag1     Primary's V magnitude
  61- 65  F5.2  mag      V-J1      Primary's V-J colour index
  67- 71  F5.1  mas      plx1      Primary's Parallax
  73- 76  F4.1  mas      e_plx1    rms uncertainty on plx
  78- 83  F6.1  arcsec   Sep       Angular separation between components
  85- 95  A11   ---      LSPM2     Secondary's LSPM-north catalog identification
  97-106  F10.6 deg      RA2deg    Secondary/tertiary Right ascension (J2000.0)
 108-116  F9.6  deg      DE2deg    Secondary/tertiary Declination (J2000.0)
 118-123  F6.3 arcsec/yr pmRA2     Secondary/tertiary proper motion in RA
 125-130  F6.3 arcsec/yr pmDE2     Secondary/tertiary proper motion in DE
 132-136  F5.2  mag      Vmag2     ?=99.9 Secondary/tertiary V magnitude
 138-141  F4.2  mag      V-J2      ?=99.9 Secondary/tertiary V-J colour index
 143-165  A23   ---      Notes     Notes (G1)


Byte-by-byte Description of file: table3.dat

   Bytes Format Units    Label     Explanations

   1-  4  A4    ---      ---       [LSPM]
   6- 16  A11   ---      LSPM1     Primary's LSPM-north catalog identification
  18- 23  I6    ---      HIP       Primary's Hipparcos catalog number
  25- 34  F10.6 deg      RA1deg    Primary's Right Ascension (J2000)
  36- 44  F9.6  deg      DE1deg    Primary's Declination (J2000)
  46- 51  F6.3 arcsec/yr pmRA1     Primary's proper motion in Right Ascension
  53- 58  F6.3 arcsec/yr pmDE1     Primary's proper motion in Declination
  60- 64  F5.2  mag      Vmag1     Primary's V band magnitude
  66- 70  F5.2  mag      V-J1      Primary's V-J color index
  72- 76  F5.1  mas      plx1      Primary's parallax
  78- 81  F4.1  mas      e_plx1    Measurement error in Px1
  83- 88  F6.1  arcsec   Sep       Angular separation between components
  90- 93  A4    ---      ---       [LSPM]
  95-105  A11   ---      LSPM2     Secondary's LSPM-north catalog identification
 107-116  F10.6 deg      RA2deg    Secondary's Right Ascension (J2000)
 118-126  F9.6  deg      DE2deg    Secondary's Declination (J2000)
 128-133  F6.3 arcsec/yr pmRA2     Secondary's proper motion in Right Ascension
 135-140  F6.3 arcsec/yr pmDE2     Secondary's proper motion in Declination
 142-146  F5.2  mag      Vmag2     ?=99.9 Secondary's V band magnitude
 148-152  F5.2  mag      V-J2      ?=99.9 Secondary's V-J color index
 154-161  A8    ---      Notes     Comment (G1)


Global Notes:

Note (G1): Comments as follows:
    LDS = Pair listed in the LDS catalogue by Luyten (1987, Cat. I/130)
     GC = Pair listed in catalog by Gould & Chaname (2004,
          Cat. J/ApJS/150/455);
      T = Pair is part of a resolved triple system
      Q = Pair is part of a resolved quadruple system


History:
    From electronic version of the journal

References:
    Lepine et al., Paper I     2002AJ....123.3434L
(End)                  Greg Schwarz [AAS], Patricia Vannier [CDS]    08-Jan-2009