Sentences with phrase «spectroscopic observations revealed»
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.
https://arxiv.org/
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.
«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.»
Not exact matches
Spectroscopic observations taken with the GTC - 10.4 m telescope reveal a broad (FWHM ~ 1100 km / s), double - peaked H alpha emission line from which we constrain the radial velocity semi-amplitude of the donor to be K2 > 250 km / s.
Giant transiting exoplanets are easily mimicked by false positives, so spectroscopic follow - up observations are needed to establish the planetary nature of the transit detections, and easily reveal blended multiple stellar systems.