SIMBAD references

2007A&A...472.1055S - Astronomy and Astrophysics, volume 472, 1055-1057 (2007/9-4)

CCD astrometry and components instrumental magnitude difference of 432 Hipparcos wide visual double stars.

SINACHOPOULOS D., GAVRAS P., DIONATOS O., DUCOURANT C. and MEDUPE T.

Abstract (from CDS):

We measured the angular separations, position angles, ΔV, Δy and ΔI of wide visual double stars during the period 2003-2005. At least one component of the double stars in our sample has an entry in the Hipparcos catalogue. Our measurements are a contribution to the study of the nature of these double stars. The northern double stars of the project were observed with the 1.2m telescope of the Kryonerion observatory and the southern with the 1.0m SAAO. We performed multiple-exposure CCD imaging of our targets and used the standard procedure of data reduction and astrometric CCD calibrations. We present measurements of 213 northern and 219 southern wide binaries.

Abstract Copyright:

Journal keyword(s): stars: binaries: visual - astrometry

VizieR on-line data: <Available at CDS (J/A+A/472/1055): table1.dat table2.dat table3.dat>

Simbad objects: 800

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2020.01.29-00:20:06

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