Sentences with phrase «analyzing radial velocities»

A 2.5 - year search analyzing radial velocities failed to find a large Jupiter or brown dwarf within 10 AUs of Gamma Leporis A (Murdoch et al, 1993).

A recent 2.5 - year search analyzing radial velocities failed to find a large Jupiter or brown dwarf within 10 AUs of Delta Eridani (Murdoch et al, 1993, pages 2 and 10).

A 2.5 - year search analyzing radial velocities failed to find a large Jupiter or brown dwarf within 10 AUs of Gamma Pavonis (Murdoch et al, 1993).

Not exact matches

They analyzed images called spectra taken by the High Accuracy Radial velocity Planet Searcher (HARPS) spectrograph, an instrument designed to search for exoplanets.

In July 2008, astronomers (Michael Endl and Martin Kürster) analyzed used seven years of differential radial velocity measurements for Proxima Centauri to submit a paper indicating that large planets are unlikely to be orbiting Sol's closest stellar neighbor within its habitable zone — around 0.022 to 0.054 AU with a corresponding orbital period of 3.6 to 13.8 days.

The team analyzed data collected by the European Southern Observatory's High Accuracy Radial velocity Planet Searcher (HARPS) telescope and the Ultraviolet and Visual Echelle Spectrograph (UVES) to search for planet candidates.

[18] The internal dynamics have been analyzed using measurements of the radial velocities of 469 stars.

A spectrograph spreads out the light gathered by a telescope so that it can be analyzed to determine such properties of celestial objects as chemical composition and abundances, temperature, radial velocity, rotational velocity, and magnetic fields.

E.g. for hurricanes a straightforward check would be to analyze hurricane precipitation together with the available information on pressure gradients and radial velocity.