Sentences with phrase «spectroscopic observations»
Spectroscopic observations refer to the process of studying or examining the properties of an object or substance by analyzing its light. Full definition
The appearance of the plumes in this graphic is based on spectroscopic observations of oxygen and hydrogen in the auroral emissions.
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«Astronomers find evidence of water clouds in first spectrum of coldest brown dwarf: Difficult spectroscopic observations reveal properties of the coldest known object outside of our solar system.»
The core of the team consisted of Bradac, Huang, Brian Lemaux, and Austin Hoag of UC Davis who are most directly involved with spectroscopic observation and data reduction of galaxies at redshift above seven.
Pardo, J.R., J. Cernicharo, and L. Pagani, 1998: Ground - based spectroscopic observations of atmospheric ozone from 142 to 359 GHz in southern Europe.
Based on spectroscopic observations taken by Hubble and the Sloan survey, the researchers estimated the black hole's mass and measured the speed of gas trapped near the behemoth object.
By re-observing the photometric transit, we attempt to determine the transit parameters to high precision, and, by spectroscopic observations, to estimate the properties of the host star and determine the mass of the transiting object by means of radial - velocity measurements.
This spectral classification was confirmed using spectroscopic observations from which we determined the stellar radial velocity.
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.
Archive centers may wish to utilize this system to quantify classes of formerly arbitrary spectral classification strings found in classification catalogs corresponding to datasets of pointed spectroscopic observations in their holdings.
Y.C. is a PTF builder and performed spectroscopic observations and reductions.
Most of these galaxies show an unusua... ▽ More We performed mid-infrared spectroscopic observations of 18 local dusty elliptical galaxies by using the Infrared Spectrograph (IRS) on board Spitzer.
Struve's own research involved spectroscopic observations of stars and gas in the Milky Way.
This resulted in the deepest spectroscopic observations ever made; precise spectroscopic information was measured for 1600 galaxies, ten times as many galaxies as has been painstakingly obtained in this field over the last decade by ground - based telescopes.
Spectrum and Spectroscopy Spectroscopic observation measures light split into a range of different wavelengths, i.e., its spectrum, which is like studying a rainbow of light dispersed by a prism.
The researchers used Hubble's Wide Field Camera 3 to conduct spectroscopic observations of the exoplanet's atmosphere in near - infrared light.
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.
Materials known to exist at Pluto's surface from ground - based spectroscopic observations include highly volatile cryogenic ices of N2 and CO, along with somewhat less volatile CH4 ice, as well as H2O and C2H6 ices and more complex tholins that are inert at Pluto surface temperatures.
The latter would enable the most detailed possible analysis, providing a crucial link with remote spectroscopic observations and the compositions of meteorites in order to develop a much wider understanding of these small bodies, their properties, and what they can tell us about the evolution of the solar system.
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).
Scientists also released spectroscopic observations that they hope will give up some more secrets to the universe.
The goal of the survey was to characterize planets orbiting low - mass stars, but our IRTF / SpeX and Palomar / TripleSpec spectroscopic observations revealed that 49 % of our targets were actually giant stars or hotter dwarfs reddened by interstellar extinction.
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.
New results include Hubble Space Telescope spectroscopic observations of the TRAPPIST - 1 earth - sized planets (planets bcdefg).
I have used the theory to interpret spectroscopic observations and interactions of relevance in colloid science.
EChO will investigate their composition and chemical / physical properties through repeated, simultaneous, multi-wavelength spectroscopic observations.
The radius is determined to be 1.64 (+0.19 / -0.14) R (Earth), and current spectroscopic observations are as yet insufficient to establish its mass.
Astronomer Mikko Tuomi of the University of Hertfordshire and his colleagues analyzed more than 6000 prior spectroscopic observations of Tau Ceti.
New spectroscopic observations were done with the 10 meter Keck II telescope at W. M. Keck Observatory on Maunakea, Hawaii and with the 8.2 meter Very Large Telescope (VLT) of the European Southern Observatory (ESO) in Chile.Caltech astronomers Thomas Kupfer and Felix Fürst observed PB3877 with the ESI Instrument fitted on the Keck II telescope.
Accurate measurement of GRB 000131's redshift required spectroscopic observations.
Spectroscopic observations revealed that the planet is only about three to four times the size of the star — but its hydrogen emissions are almost as bright as the emission emanating from the star.
In 2010, Pieter van Dokkum of Yale University and Charlie Conroy of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, used spectroscopic observations to discover that eight massive elliptical galaxies had given birth to an even greater proportion of small stars than the Milky Way did.
Spectroscopic observations in the 1900s gave the first clues about Venus» rotation.
Abstract: We performed mid-infrared spectroscopic observations of 18 local dusty elliptical galaxies by using the Infrared Spectrograph (IRS) on board Spitzer.
«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.
They'll need to follow up with spectroscopic observations to find that out.
The Near Infrared Camera and Multi-Object Spectrometer (NICMOS) is an HST instrument providing the capability for infrared imaging and spectroscopic observations of astronomical targets.
The team inferred the presence of high - energy electrons using IRIS high - resolution ultraviolet imaging and spectroscopic observations of those footpoint brightenings.
«Our spectroscopic observations reveal the galaxy to be even further away than we had originally thought, right at the distance limit of what Hubble can observe,» explains Gabriel Brammer of the Space Telescope Science Institute and second author of the study.
«Follow - up spectroscopic observations are now needed to verify that the object is far more distant than the lensing galaxy, as well as to derive better distance estimates to confirm that multiple images really belong to the same object,» says Ratnatunga.
Follow - up spectroscopic observations of the lensed objects using the infrared - sensitive FIRE spectrometer on the Magellan Telescope confirmed that there are actually two galaxies behind the lens.
With photometric and spectroscopic observations, we have been able to learn about the surface properties and the physical processes acting on these large planetoids.
Abstract: Spectroscopic observations are extremely important for determining the composition, structure, and surface gravity of exoplanetary atmospheres.
Spectroscopic observations with ground - based telescopes have shown that I Zwicky 18 is almost exclusively composed of hydrogen and helium, the main ingredients created in the Big Bang.
Our photometric and spectroscopic observations are fully consistent with a blend model of a hierarchical triple system composed of an eclipsing binary with G0V and M3V components in orbit around a slightly evolved F5 dwarf.