multicolor photometry

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• Sycorax (moon) — Sycorax (sik or aks, IPAEng|ˈsɪkɔræks) is the largest retrograde irregular satellite of Uranus.Sycorax was discovered on 1997 09 06 by Brett J. Gladman, Philip D. Nicholson, Joseph A. Burns, and John J. Kavelaars using the 200 inch Hale telescope …   Wikipedia

• TrES-1 — Planetbox begin name = TrES 1Planetbox image caption = An artist s rendition of TrES 1 shows it circled by small asteroids as it orbits its bright star.Planetbox star star = GSC 02652 01324 constell = Lyra RA = RA|19|04|09 DEC = DEC|+36|37|57… …   Wikipedia

• Messier 65 — M65 by Hubble Space Telescope; 2.5′ view Credit: NASA/STScI/WikiSky Observation data Epoch J2000 Constellation …   Wikipedia

• Calibán (satélite) — Calibán Descubrimiento Descubierto por Brett J. Gladman, Philip D. Nicholson, Joseph A. Burns, yJohn J. Kavelaars Fecha 6 de septiembre de 1997 Características orbit …   Wikipedia Español

• Sicorax (satélite) — Sicorax Descubrimiento Descubierto por Philip D. Nicholson, Brett J. Gladman, Joseph A. Burns, John J. Kavelaars usando el telescopio Hale Fecha 6 de septiembre de 1997 …   Wikipedia Español

• Stefano (satélite) — Stefano Descubrimiento Descubierto por Brett J. Gladman, Matthew J. Holman, John J. Kavelaars, Jean Marc Petit, y Hans Scholl Fecha 18 de julio de 1999 …   Wikipedia Español

• Vytautas Straižys — (born August 20 1936) is a Lithuanian astronomer. In 1963 1965 he and his collaborators created and developed the Vilnius photometric system a seven color intermediate band system, optimized for photometric stellar classification. In 1996 he was… …   Wikipedia

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

• LED lamp — An LED lamp (LED light bulb) is a solid state lamp that uses light emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light emitting diodes, organic LEDs (OLED), or polymer light emitting diodes… …   Wikipedia

• Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …   Wikipedia

• Airmass — For air mass in meteorology, see air mass .In astronomy, airmass is the optical path length through Earth s atmosphere for light from a celestial source.As it passes through the atmosphere, light isattenuated by scattering and absorption; the… …   Wikipedia