Star Formation in Dark Nebulae

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Presentation transcript:

Star Formation in Dark Nebulae James Haber

Spooky Star Forming Region Need Help increase knowledge of star formation View parts of the universe previously obscured by dark nebulae Spooky Star Forming Region http://apod.nasa.gov/apod/ap041101.html

Introduction Nebula are clouds of ionized hydrogen gas Large regions of star formation Orion Nebula http://apod.nasa.gov/apod/ap060119.html

Star Formation http://coolwiki.ipac.caltech.edu/index.php/Studying_Young_Stars

Introduction Dark nebula are similar to reflection nebula Can only be seen due to the fact that they block out light Horsehead Nebula http://apod.nasa.gov/apod/ap030713.html

Taurus-Auriga Dark Cloud Literature Review Red and Nebulous Objects in Dark Clouds Search for protostars and T Tauri stars previously missed by Herbig and Rao Taurus-Auriga Dark Cloud http://www.usm.uni-muenchen.de/ys/iras_images.html

Literature Review An optical survey to look for star formation in Lynds Dark Clouds Ratio of Class 0 to Class I protostars was found to be about 1:1, very different from previous 1:10 ratio

Purpose The purpose of my project is to study star formation in dark nebulae using color-color plots and spectral energy distribution charts to classify and identify young stars.

Methodology

Bibliography ESA/Hubble Information Centre. "Hubble spots a celestial bauble." ScienceDaily, 15 Dec. 2010. Web. 1 May 2011.  NASA/Jet Propulsion Laboratory. "The Art of Making Stars." ScienceDaily, 4 Apr. 2011. Web. 1 May 2011. Chandra X-ray Center. "New evidence on origin of supernovas." ScienceDaily, 27 Apr. 2011. Web. 1 May 2011. Hillenbrand, Lynne. "On the Stellar Population and Star-Forming History of the Orion Nebula Cluster." The Astronomical Journal 113.5 (1997). "Secrets of a Dark Cloud." ESO. 2 July 1999. Web. 05 May 2011. <http://www.eso.org/public/news/eso9934/>. Francesco, James, Michiel R. Hogerheijde, and William J. Welch. "ABUNDANCES OF MOLECULAR SPECIES IN BARNARD 68." The Astronomical Journal 124 (2002): 2749-755. Visser, Anja E., and John S. Richer. "COMPLETION OF A SCUBA SURVEY OF LYNDS DARK CLOUDS AND IMPLICATIONS FOR LOW-MASS STAR FORMATION." The Astronomical Journal 124 (2002): 2756-78 Seeds, Michael A. "Three Kinds of Nebulae." Foundations of Astronomy. Australia: Thomson Brooks/Cole, 2008. 198-99. "Lynds Clouds." CoolWiki. Web. 03 June 2011. <http://coolwiki.ipac.caltech.edu/index.php/Main_Page>.

What is the problem? Knowledge Base Lit Review(Check this) This Does this answer What is the hypothesis Dependent variable Up or down? Which? Why? How do we know? Method Does the method Actually test the hypothesis?

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