H beta photometry

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• Beta Caeli — Saltar a navegación, búsqueda Beta Caeli Constelación Caelum Ascensión recta α 04h 42min 03.5s Declinación δ 37º 08’ 39’’ …   Wikipedia Español

• Beta Canum Venaticorum — Starbox begin name=Beta Canum Venaticorum Starbox observe epoch=J2000 ra=RA|12|33|44.5446 dec=DEC| +41|21|26.927 appmag v=4.26 constell=Canes Venatici Starbox character class=G0 V b v=0.58cite journal last=Argue | first=A. N. title=UBV photometry …   Wikipedia

• University of Illinois Observatory — Infobox nrhp | name = University of Illinois Astronomical Observatory nrhp type=nhl caption = The observatory at U of I is a National Historic Landmark. locator x = locator y = location = Urbana, Illinois, Champaign County, Illinois, USA nearest… …   Wikipedia

• Observatoire astronomique de l'université de l'Illinois — Observatoire astronomique de l’université de l’Illinois Présentation Nom local University of Illinois Observatory Protection National Register of Historic Places  …   Wikipédia en Français

• 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

• Proxima Centauri — Coordinates: 14h 29m …   Wikipedia

• Classical Cepheid variable — Classical Cepheids (also known as Population I Cepheids, Type I Cepheids, or Delta Cephei variables) are a type of Cepheid variable star. They are population I, variable stars that exhibit pulsation periods in the order of a few days to months,… …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Potassium-argon dating — or K Ar dating is a radiometric dating method used in geochronology and archeology. It is based on measuring the products of the radioactive decay of potassium (K), which is a common element found in materials such as micas, clay minerals, tephra …   Wikipedia

• Strömgren photometric system — (uvby) (sometimes also referred as Strömgren Crawford photometric system) is four colour medium band photometric system (plus H beta filter) for stellar classification. It was pioneered by the Danish astronomer Bengt Strömgren in 1956 and… …   Wikipedia

• Methods of detecting extrasolar planets — Any planet is an extremely faint light source compared to its parent star. In addition to the intrinsic difficulty of detecting such a faint light source, the light from the parent star causes a glare that washes it out. For those reasons, only a …   Wikipedia