eruptive stars

Mira otros diccionarios:

• Waltraut Seitter — (January 13, 1930 ndash; November 15,2007) was a German astronomer.Waltraut Carola Seitter was born in Zwickau in 1930, where her father worked as an engineer with the Horch automobile company. She went to school in Cologne, where she finished… …   Wikipedia

• Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …   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

• Orion variable — An Orion variable is a variable star which exhibits irregular and eruptive variations in its luminosity and is typically associated with diffuse nebulae. It is thought that these are young stars which will later become regular, non variable stars …   Wikipedia

• Ross 248 — Données d observation (Époque J2000.0) Ascension droite 23h 41m 54,7s Déclinaison +44° 10′ 30″ Constellation Andromède Magnitude apparente +12,29 …   Wikipédia en Français

• Bellatrix — For other uses, see Bellatrix (disambiguation). Bellatrix (γ Orionis) Bellatrix is located to the upper right of center. Observation data Epoch …   Wikipedia

• Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …   Wikipedia

• Pulsating white dwarf — V777 Herculis star redirects here. For the star, see GD 358. A pulsating white dwarf is a white dwarf star whose luminosity varies due to non radial gravity wave pulsations within itself. Known types of pulsating white dwarfs include DAV, or ZZ… …   Wikipedia

• Wolf–Rayet star — Hubble Space Telescope image of nebula M1 67 around Wolf–Rayet star WR 124 Wolf–Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses initially), which are losing mass rapidly by means of a very strong… …   Wikipedia

• Supernova — This article is about the astronomical event. For other uses, see Supernova (disambiguation). Multiwavelength X ray, infrared, and optical compilation image of Kepler s supernova remnant, SN 1604. A supernova is a stellar explosion that is more… …   Wikipedia

• RR Lyrae variable — RR Lyrae variables are periodic variable stars, commonly found in globular clusters, and often used as standard candles to measure galactic distances. This type of variable is named after the prototype, the variable star RR Lyrae in the… …   Wikipedia