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Astronomy, Extrasolar Planets

First Multi-wavelength Images of an Exoplanet

4 Jan , 2011 by Jon Voisey

Colors are important in astronomy. They can be used to get a quick feel for the temperature of stars, map out hydrogen alpha, or even find oxygen when it gives off a distinctive green glow from the forbidden transistion. Yet thus far, all images of exoplanets have only been taken in a single color filter […]

Extrasolar Planets, filters, HD189733b

Astronomy, Observatories, Technology

Gemini’s New Filters Reveal the Beauty of Star Birth

14 Feb , 2010 by Jean Tate

[/caption] About 2,000 light-years away, in the constellation of Cygnus (the Swan), lies Sharpless 2-106 (after Stewart Sharpless who put the catalog together in 1959), the birth-place of a star cluster-to-be. Two recent image releases – by Subaru and Gemini – showcase their new filter sets and image capabilities; they also reveal the stunning beauty […]

filters, gemini, images, stars

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