Double stars with PISCO at Pic du midi (Scardia+, 2000)

Details Double stars with PISCO at Pic du midi (Scardia+, 2000) Double stars with PISCO at Pic du midi (Scardia+, 2000)

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat..21310561s&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/131/561. Originally published in: 2000ApJS..131..561S

Astronomy and Astrophysics

Astronomy

Stars: Double And Multiple

Scientific paper

We present astrometric measurements of binary stars based on speckle observations of 164 independent sequences of observations (~104 frames each) made with the PISCO speckle camera at Pic du Midi. These measurements concern 147 objects, of which 134 were found to be double with a separation in the range 0.1"-1.0". These objects were mainly selected among grade 3 orbits to improve the accuracy of their orbits and to constrain their masses. We discovered the binarity of 59 Aql with an angular separation of 0.09"+/-0.01". (1 data file).

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