File:Open_cluster_HR_diagram_ages.PNG
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Open_cluster_HR_diagram_ages.PNG (552 × 439 pixels, file size: 40 KB, MIME type: image/png)
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Summary
DescriptionOpen cluster HR diagram ages.PNG |
English: HR diagrams for two open clusters, showing the main sequence turn-off at different ages. |
Source | Own work |
Author | Created by User:Worldtraveller |
Other versions |
Reference
- Richmond, Michael (2004-12-28). Estimating Distances across our Galaxy. Rochester Institute of Technology. Retrieved on 2008-11-29.—See the two plots near the end of the page.
- Maeder, André (1974). "Stellar evolution near the main sequence: on some systematic differences between cluster sequences and model calculations.". Astronomy & Astrophysics 32: 177–190. Retrieved on 2008-11-28.
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. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | ||
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:19, 10 September 2019 | 552 × 439 (40 KB) | ديفيد عادل وهبة خليل 2 | == {{int:filedesc}} == {{Information |Description={{en|1=HR diagrams for two open clusters, showing the main sequence turn-off at different ages.}} |Source={{own}} |Author=Created by User:Worldtraveller |Date= |Permission= |other_versions=thumb|gif }} == Reference == <!-- Journal article showing the color-magnitude diagrams for M67, NGC 188 and two others. --> *{{cite web | last=Richmond | first=Michael | date=2004-12-28 | url=http://spiff.rit.e... |
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Horizontal resolution | 37.79 dpc |
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Vertical resolution | 37.79 dpc |
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