Sentences with phrase «for faint companions»

A search for faint companions using the Hubble Space Telescope found no supporting evidence for a large Jupiter or brown dwarf sized object, although the observed positions of Sirius AB — Gl 244 AB — differed from published orbital elements (Schroeder et al, 2000).

A search for faint companions using the Hubble Space Telescope found no supporting evidence for a large Jupiter or brown dwarf sized object (Schroeder et al, 2000).

Not exact matches

Astronomers have scrutinized about 100 nebulas for signs of a small, faint companion amid the glare of the bright core, but so far, in some five out of six cases they've come up empty.

The primary stars around which we searched for companions come from a list of bright stars with well - measured parallaxes and large proper motions from the Hipparcos catalog (8583 stars, mostly A-K ~ dwarfs) and fainter stars from other proper motion catalogues (79170 stars, mostly M ~ dwarfs).

For a time, observers believed that Gacrux had a faint, bluish white (A3 V) binary companion lying within two minutes of arc that is still designated in the SIMBAD Astronomical Database and the Yale Bright Star Catalogue, 1991 5th Revised Edition as Gamma Crucis B (HR 4764 or HD 108925).