Astronomical Data Center

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/journal_tables/PAZh/21/13/

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J/PAZh/21/13    New list of OB associations              (Melnik+, 1995)
================================================================================
New list of OB associations of our Galaxy.
     Melnik A.M., Efremov Yu.N.
    <Pis'ma Astron. Zh. 21, 13 (1995)>
    =1995PAZh...21...13M
================================================================================
ADC_Keywords: Associations, stellar

Abstract:
    A new partition into associations of OB stars within 3kpc of the Sun
    is derived using Battinelli's modification of the cluster analysis
    method. We have found 58 associations, of which only 10% may be
    considered as a random clusters of field stars.

File Summary:
--------------------------------------------------------------------------------
  FileName      Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
table.dat          75       88   Table of OB-associations
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Byte-by-byte Description of file: table.dat
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   Bytes Format Units  Label Explanations
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   1-  9  A9    ---    Name  Association name
  11- 16  F6.2  deg    GLON  Galactic longitude
  18- 23  F6.2  deg    GLAT  Galactic latitude
  26- 29  F4.2  kpc    D     Distance
  32- 36  F5.1  km/s   RV    ? Average radial velocity of the association
                                relative to the Sun
  40- 43  F4.1  km/s e_RV    ? Dispersion of RV
  46- 47  I2    ---    NRV   Number of stars with measured RV
  50- 52  I3    ---    Ntot  Total number of stars in the association
  57- 61  F5.1  pc     Dl    Size of association along longitude
  65- 68  F4.1  pc     Db    Size of association along latitude
  71      I1    ---    p     [0/1] p=1, for the association with 90% reliability
                                   p=0 - reliability below 90%
  74- 75  I2    ---    Nsg   Number of K and M supergiants
--------------------------------------------------------------------------------
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(End)                                       Veta Avedisova [INASAN]  10-Jul-1997
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