Publications of the Astronomical Society of the Pacific, Vol. 110, No. 743 (January 1998), pp. 79-85 (7 pages) ABSTRACT We describe a high‐throughput optical spectrograph that has been in operation at ...

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 ...

• 3d W ith an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the most massive planets known to orbit a low-mass star.

enabling the astronomers (with the help of an instrument called a spectrograph that can detect materials in far-off objects) to see different chemical elements moving through different atmospheric ...

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