For over 40 years Optical Surfaces Ltd. has supplied high precision spectrograph optics for land and space based astronomical telescopes. Drawing upon a highly experienced team of optical designers, ...

A brand new spectrograph on the Gemini North telescope has seen first light, detecting elements in a dying star known as the Jewel Bug Nebula. When you purchase through links on our site, we may earn ...

Researchers have developed a new technology that can shape the spectrum of light emitted from a laser frequency comb across the visible and near-infrared wavelengths with more precision than ...

Michael Endl is on a mission: As a research scientist with the University of Texas at Austin, he hopes the sum of his astronomy career will be a chart characterizing exoplanets, like you might find on ...

A team of scientists and engineers led by Princeton researchers recently reported the successful operation of a new instrument for the Subaru Telescope in Hawaii that will allow astronomers to make ...

The initial commissioning period of the new HARPS spectrograph (High Accuracy Radial Velocity Planet Searcher) of the 3.6-m telescope at the ESO La Silla Observatory has been successfully accomplished ...

SOLAR SPECTROGRAPH FOR THE POULKOVO OBSERVATORY.—Engineering for July 18 contains a detailed description and several photographs of the 7-metre solar spectrograph by Grubb, which has just been erected ...

The Omega Nebula, a stellar nursery where infant stars illuminate and sculpt a vast pastel fantasy of dust and gas, is revealed in all its glory by a new ESO image. The Omega Nebula, sometimes called ...

A planet observed crossing in front of, or transiting, a low-mass star has been determined to be about the size of Jupiter. A planet observed crossing in front of, or transiting, a low-mass star has ...

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 ...

THE SPECTRUM OF BROOKS'S COMET, 1911c.—With the three-prism slit spectrograph (No. iii.) and a small objective-prism spectrograph of 10 cm. focal length, both attached to the Pulkowa 30-inch refractor ...