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«Optical and Near-infrared Pulsation Properties of RR Lyrae and Population II Cepheid Variables in the Messier 15 Globular Cluster». The Astrophysical…34 kB (3683 palabras) - 22:28 26 feb 2024
Cepheid (delta Cep type) (SIMBAD). U Carinae (General Catalogue of Variable Stars, Samus+ 2007-2017) S Carinae (General Catalogue of Variable Stars,…38 kB (4315 palabras) - 11:10 13 abr 2024
Resultados de la Wikipedia en inglés.
- and type II). Classical Cepheids are younger and more massive population I stars, whereas type II Cepheids are older, fainter Population II stars. Classical…37 kB (4170 palabras) - 19:48 20 abr 2024
- Type II Cepheids are variable stars which pulsate with periods typically between 1 and 50 days. They are population II stars: old, typically metal-poor…13 kB (1227 palabras) - 14:49 20 ago 2023
- Classical Cepheids are a type of Cepheid variable star. They are young, population I variable stars that exhibit regular radial pulsations with periods…40 kB (3954 palabras) - 05:28 12 dic 2023
- Polaris (categoría Classical Cepheid variables)low-amplitude Population I classical Cepheid variable, although it was once thought to be a type II Cepheid due to its high galactic latitude. Cepheids constitute…48 kB (4671 palabras) - 03:50 21 abr 2024
- Period-luminosity relation (categoría Classical Cepheid variables)pulsating variable stars with their pulsation period. The best-known relation is the direct proportionality law holding for Classical Cepheid variables, sometimes…20 kB (2319 palabras) - 18:00 15 abr 2024
- Instability strip (redirección desde Cepheid instability strip)variations depends on the distance of He II zone from the stellar surface in the stellar atmosphere. For most Cepheids, this creates a distinctly asymmetrical…8 kB (961 palabras) - 05:39 13 nov 2023
- Stellar pulsation (redirección desde Stellar pulsation theory - Why are the classical variable stars pulsating so regularly?)intrinsic variable stars that pulsate with large amplitudes, such as the classical Cepheids, RR Lyrae stars and large-amplitude Delta Scuti stars show regular…25 kB (3262 palabras) - 18:12 11 feb 2024
- RR Lyrae variable (redirección desde Rr lyrae stars)relatively low mass, Population II stars, in common with W Virginis and BL Herculis variables, the type II Cepheids. Classical Cepheid variables are higher…16 kB (1804 palabras) - 13:44 29 ago 2023
- This category includes Cepheid and Cepheid-like stars, and long-period variables such as Mira. Eruptive variables are stars that experience sudden increases…146 kB (16 321 palabras) - 21:30 23 abr 2024
- Star cluster (redirección desde Cluster (stars))these stars die. Establishing precise distances to open clusters enables the calibration of the period-luminosity relationship shown by Cepheids variable…21 kB (2538 palabras) - 15:41 22 abr 2024
- "populations" for stars (Population I and Population II) in a galaxy. The same observations led him to discover that there are two types of Cepheid variable…125 kB (12 586 palabras) - 06:13 17 abr 2024
- Some studies use models that predict high-accreting Population III or Population I supermassive stars (SMSs) in the very early universe could have evolved…225 kB (9494 palabras) - 13:52 27 abr 2024
- "populations" for stars (Population I and Population II). The same observations led him to discover that there are two types of Cepheid variable stars…10 kB (814 palabras) - 20:25 20 abr 2024
- of some spiral nebulae as collections of individual stars. He was also able to identify some Cepheid variables that he could use as a benchmark to estimate…209 kB (20 990 palabras) - 05:02 21 abr 2024
- Cosmic distance ladder (sección Classical Cepheids)Cepheid variables were population I stars with much higher metal content than the distant population II stars. As a result, the population II stars were…54 kB (7874 palabras) - 13:49 26 abr 2024
- Asteroseismology (sección Cepheid variables)pulsations in many of the longest-known variable stars, including the Cepheid and RR Lyrae variables. In stars with surface convection zones, turbulent fluids…18 kB (2286 palabras) - 22:42 22 abr 2024
- Supergiant (redirección desde Supergiant stars)Mira variables and other late AGB stars have supergiant luminosity classes, for example α Herculis. Classical Cepheid variables typically have supergiant…37 kB (5055 palabras) - 00:51 26 abr 2024
- relationships: Classical Cepheid variables are young massive population I stars; type II Cepheids are older population II stars with low masses, including…20 kB (2529 palabras) - 23:29 5 ene 2024
- distances measured from Cepheid variables. SBF is an indicator that uses stars in the old stellar populations (Population II). Tonry, John L.; Dressler…5 kB (560 palabras) - 22:45 27 mar 2024
- Giant star (redirección desde Giant stars)more-luminous pulsating variables also known as type II Cepheids, with periods of 10–20 days; Type I Cepheid variables, more luminous still and mostly supergiants…16 kB (2321 palabras) - 14:49 20 abr 2024
- stellar opacity 1952 — Walter Baade distinguishes between Cepheid I and Cepheid II variable stars 1953 — Fred Hoyle predicts a carbon-12 resonance to allow…6 kB (623 palabras) - 13:00 25 sep 2022