Publications of the Astronomical Society of the Pacific, Vol. 114, No. 792 (February 2002), pp. 153-168 (16 pages) ABSTRACT We discuss the design and performance of TEXES, the Texas Echelon Cross ...

The main function of a telescope spectrograph is to separate light into its component colours (or wavelengths) to reveal information about the chemical content, temperature and motion of distant ...

ranging from exoplanet atmospheres to the structure of galaxies and the cosmic web. More explicitly, his group focuses on developing the experiments and technologies necessary to address current ...

Astronomers have examined the structure of quasar 3C 273 using the Hubble Telescope's coronagraphic spectrograph. This technology, which works similarly to a solar eclipse, blocks the central ...