WebThe initial mass of Mu Cephei has been estimated from its position relative to theoretical stellar evolutionary tracks to be between 15 M☉ and 25 M☉. [13] [14] The star currently has a mass loss rate of (4.9 ± 1.0) × 10−7 M☉ per year. [13] Supernova [ … Web25 de mar. de 2024 · white dwarf star, any of a class of faint stars representing the endpoint of the evolution of intermediate- and low-mass stars. White dwarf stars, so called because of the white colour of the first few that were discovered, are characterized by a low luminosity, a mass on the order of that of the Sun, and a radius comparable to that of …
Star Definition, Light, Names, & Facts Britannica
Web17 de mar. de 2024 · Its approximate mass is 2 × 10 30 kg (about 330,000 Earth masses), its approximate radius 700,000 km (430,000 miles), and its approximate luminosity 4 × 10 33 ergs per second (or equivalently 4 × 10 23 kilowatts of power). Other stars often have their respective quantities measured in terms of those of the Sun. Web19 de feb. de 2016 · – Alfirk (Beta Cephei), the second brightest star in Cepheus, is a triple star system about 690 light years from our solar system with a combined apparent magnitude that varies between 3.15 to 3.21. Its main component star is a blue giant (B1 IV) which has 6 times our sun’s radius and 12 times its mass. swagger watch online free
Alfirk (Beta Cephei) - David Darling
Web26 de ago. de 2016 · Alfirk (Beta Cephei) is located around 690 light-years away and is classified as a triple star. The brightest component is Alfirk A, a blue giant with a slow … Alfirk es una estrella caliente con una temperatura superficial de 26 700 K y tipo espectral B2IIIv. Brilla con una luminosidad 14 600 veces mayor que la del Sol y tiene una masa 12 veces mayor que la masa solar. Ver más Alfirk o Alphirk (β Cep / Beta Cephei / 8 Cephei) es la segunda estrella más brillante en la constelación de Cefeo. Su nombre proviene del árabe الفرقة (Al-Firq) y significa «el rebaño». Se encuentra aproximadamente a … Ver más En el año 6000 EC el polo norte celeste estará entre Alfirk y la vecina ι Cephei. Ver más • Estrella variable Beta Cephei • Lista de estrellas variables Ver más WebAlfirk, roughly translated 'the flock,' is the name of a triple star system that is classified as β Cephei (Beta Cephei). It is a part of the outline of the Cepheus constellation. The main star is a blue subgiant and gives it the distinctive blue color. Objects in frame: The star Alfirk (βCep) Also on Deep Sky Workflows skiathos life