Sco OB2 association (Shatsky+, 2002)

Details Sco OB2 association (Shatsky+, 2002) Sco OB2 association (Shatsky+, 2002)

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat..33820092s&link_type=abstract

VizieR On-line Data Catalog: J/A+A/382/92. Originally published in: 2002A&A...382...92S

Astronomy and Astrophysics

Astronomy

Stars: Ob, Stars: Double And Multiple, Photometry: Infrared

Scientific paper

To investigate the dependence of (visual) binarity characteristics on the primary component mass, we selected all stars of spectral type B in Sco OB2 association and searched for near-infrared companions to them with ADONIS and Coronograph. The data acquisition and companions measurement results are described; the mass ratio distribution f(q)=q**(-0.5) is derived using the PMS stars evolution tracks. Target stars J- and K-magnitudes are presented in Table 1; differential photometry and astrometry results for secondary companions and background sources in sky-offset fields are given in Table 2 and 3, respectively. (3 data files).

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