Difference between revisions of "File talk:Ysobyclassoni4.png"
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http://coolwiki.ipac.caltech.edu/index.php/Color-Magnitude_and_Color-Color_plots [http://coolwiki.ipac.caltech.edu/index.php/Color-Magnitude_and_Color-Color_plots]-- | http://coolwiki.ipac.caltech.edu/index.php/Color-Magnitude_and_Color-Color_plots [http://coolwiki.ipac.caltech.edu/index.php/Color-Magnitude_and_Color-Color_plots]-- | ||
− | Class 0: these are very young stars, still buried deep inside their cocoon of gas. | + | Class 0: these are very young stars, still buried deep inside their cocoon of gas. |
+ | |||
--Class I: these are protostars surrounded by an infalling envelope of gas. | --Class I: these are protostars surrounded by an infalling envelope of gas. | ||
+ | |||
--Class II: these protostars, now in the T-Tauri stage, have developed protoplanetary disks. | --Class II: these protostars, now in the T-Tauri stage, have developed protoplanetary disks. | ||
+ | |||
--Class III: these are nearly fully developed stars, with just a remnant disk (and possibly planets) surrounding them. | --Class III: these are nearly fully developed stars, with just a remnant disk (and possibly planets) surrounding them. |
Latest revision as of 08:59, 21 December 2010
http://coolwiki.ipac.caltech.edu/index.php/Color-Magnitude_and_Color-Color_plots [1]--
Class 0: these are very young stars, still buried deep inside their cocoon of gas.
--Class I: these are protostars surrounded by an infalling envelope of gas.
--Class II: these protostars, now in the T-Tauri stage, have developed protoplanetary disks.
--Class III: these are nearly fully developed stars, with just a remnant disk (and possibly planets) surrounding them.