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This type of diagram could be called temperature-luminosity diagram, but this term is hardly ever used; when the distinction is made, this form is called the theoretical Hertzsprung–Russell diagram instead. A peculiar characteristic of this form of the H–R diagram is that the temperatures are plotted from high temperature to low temperature ...
Render this image in . This is a file from the Wikimedia Commons. Information from its ... English: HR diagram containing lots'a'vartypes.
Hertzsprung–Russell diagram, no text, for navigation images with active text links. Date: 12 May 2007, 03:48 (UTC) Source: Modified version of Image:HR-diag-no-text.svg, written by Rursus and modified by Bhutajata: Author: User:Spacepotato: Other versions
English: A Hertzsprung–Russell diagram, showing the luminosities and surface temperatures at which many classes of pulsating stars are found. Additional lines indicate where stars are found when they first fuse hydrogen into helium (zero-age main sequence, ZAMS), evolutionary tracks for stars of masses between 1 and 10 times that of the Sun, and the track along which a typical white dwarf of ...
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An HR Diagram of PMS stars with different masses. The Hayashi Track is depicted as vertical lines, while the Henyey are horizontal. Higher mass stars spend very little time on the Hayashi Track, while the lowest mass stars never reach the Heyney Track, with a gradient seen of time spent on each track as the mass increases.
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In 2009, an old NICMOS image was processed to show a predicted exoplanet around HR 8799. [43] In 2011, three further exoplanets were rendered viewable in a NICMOS image taken in 1998, using advanced data processing. [43] The image allows the planets' orbits to be better characterised, since they take many decades to orbit their host star. [43]