Sentences with phrase «on spectroscopic observations»

«We are looking at several cubic miles of lava in rapidly emplaced flows,» said Davies, who has developed models to predict the volume of magma erupted based on spectroscopic observations.

The appearance of the plumes in this graphic is based on spectroscopic observations of oxygen and hydrogen in the auroral emissions.

Not exact matches

Measurements of surface chemical composition, either by direct sampling (as has been done on Earth, the moon, and Mars) or through spectroscopic observations, can be used to estimate elemental abundances and the degree of chemical differentiation that occurred as the planets condensed from the solar nebula.

Recently, Hallinan et al. (2015) reported simultaneous radio and optical spectroscopic observations (obtained with the Karl G. Jansky Very Large Array (VLA) radio telescope and the Double Spectrograph (DBSP) on the 5.1 - m Hale telescope, respectively) of auroral emissions of an object at the end of the stellar main sequence (i.e. at the boundary between stars and brown dwarfs).

Spectroscopic observations from the W. M. Keck Observatory on Maunakea, Hawaii and the Very Large Telescope in Chile confirmed the four candidates to be massive clusters.

The spectroscopic observations provided redshifts for the sources and information on their gas content (the fuel for star formation).

With photometric and spectroscopic observations, we have been able to learn about the surface properties and the physical processes acting on these large planetoids.

By using advanced high contrast imagers, it is possible to conduct high resolution spectroscopy on imageable exoplanets, after the star light is first suppress... ▽ More Spectroscopic observations are extremely important for determining the composition, structure, and surface gravity of exoplanetary atmospheres.

Using the twin telescopes of the Keck Observatory on Maunakea, Hawaii, the researchers were able to gather spectroscopic data from the afterglow of the supernova and observations of its host galaxy to better understand what might be driving this oddity.

Current research in the Hida Observatory of Kyoto University has emphasis on the followings; (a) Study of solar MHD processes with spectroscopic and spectro - polarimetric observations using the 60 cm Domeless Solar Vacuum Tower Telescope (DST) combining with data from space solar missions (such as Hinode).

The «clear sky radiative forcing due to CO2» (3.7 W / m ^ 2 for a doubling per Myhre et al. 1998b and IPCC TAR) is not a measured entity based on empirical data from actual physical observations or reproducible experimentation, but rather an estimated value based on laboratory studies of spectroscopic data.