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  2. HR Diagram - Wikipedia

    en.wikipedia.org/?title=HR_Diagram&redirect=no

    HR Diagram. Add languages. Add links. ... Print/export Download as PDF; Printable version; In other projects Appearance. move to sidebar hide. From Wikipedia, the ...

  3. File:Burn Degree Diagram hr.pdf - Wikipedia

    en.wikipedia.org/.../File:Burn_Degree_Diagram_hr.pdf

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  4. Hertzsprung–Russell diagram - Wikipedia

    en.wikipedia.org/wiki/Hertzsprung–Russell_diagram

    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 ...

  5. File:HR-diag-no-text-2.svg - Wikipedia

    en.wikipedia.org/wiki/File:HR-diag-no-text-2.svg

    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

  6. Henyey track - Wikipedia

    en.wikipedia.org/wiki/Henyey_track

    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.

  7. Main sequence turnoff - Wikipedia

    en.wikipedia.org/wiki/Main_sequence_turnoff

    HR diagrams for two open clusters, M67 and NGC 188, showing the main sequence turn-off at different ages.. The turnoff point for a star refers to the point on the Hertzsprung–Russell diagram where it leaves the main sequence after its main fuel is exhausted – the main sequence turnoff.

  8. Hertzsprung gap - Wikipedia

    en.wikipedia.org/wiki/Hertzsprung_gap

    Hertzsprung–Russell diagram with the Hertzsprung Gap visible as an area containing few stars between the main sequence and red-giant branch. The Hertzsprung gap is a feature of the Hertzsprung–Russell diagram for a star cluster. This diagram is a plot of effective temperature versus luminosity for a

  9. File:HR-diag-instability-strip.svg - Wikipedia

    en.wikipedia.org/wiki/File:HR-diag-instability...

    Extensive diagram from Richard Powell Licensing Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License , Version 1.2 or any later version published by the Free Software Foundation ; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.