Abstract
view Abstract Citations (20) References (21) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A Search for Wide Binaries at the North Galactic Pole using Precise Radial Velocities Latham, David W. ; Mazeh, Tsevi ; Davis, Robert J. ; Stefanik, Robert P. ; Abt, Helmut A. Abstract Precise radial velocities are presented from a survey of 247 stars centered on Selected Area 57 at the North Galactic Pole, complete for late-type stars with V magnitude brighter than 12.0. The radial velocities have a typical precision of 0.2-0.3 km/s. New spectral types and distances estimates are presented for 120 of the stars in the sample. All pairs of stars with angular separations between 1 and 600 arcsec have been considered, and 11 candidate pairs found with velocity differences less than 1.5 km/s. It is estimated that 4 or 5 of the 11 candidate pairs are actually bound binaries, but none with separations larger than 0.1 pc. The constraints imposed by these results on the actual distribution of wide binaries in the Galaxy should now be reanalyzed. The unusual precision of the velocities led to the discovery of a new cluster associated with the multiple system ADS 8811 ABC. Publication: The Astronomical Journal Pub Date: February 1991 DOI: 10.1086/115711 Bibcode: 1991AJ....101..625L Keywords: Binary Stars; Late Stars; Milky Way Galaxy; Radial Velocity; Sky Surveys (Astronomy); Northern Sky; Position (Location); Stellar Magnitude; Stellar Spectrophotometry; Astrophysics; STARS: BINARIES full text sources ADS | data products SIMBAD (255) CDS (1) Related Materials (1) Catalog: 2017yCat..51010625L
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
