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Active Galactic Nuclei. Kayla Young. Knowledge Base: What are AGNs. Compact center of Galaxy More Luminous than galaxy as a whole Major types of AGNs include Radio Galaxies Seyfert Glaxies BL Lac Starburst Quasars are closely related to AGNs. AGNs. Knowledge Base: Structure of AGN.

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knowledge base what are agns
Knowledge Base: What are AGNs
  • Compact center of Galaxy
  • More Luminous than galaxy as a whole
  • Major types of AGNs include
    • Radio Galaxies
    • SeyfertGlaxies
    • BL Lac
    • Starburst
  • Quasars are closely related to AGNs
radio galaxies
Radio Galaxies
  • Elliptical Galaxies
  • Radio Emissions
  • Source of long thin jets

http://imagine.gsfc.nasa.gov/docs/science/know_l2/active_galaxies.html

seyfert galaxies
Seyfert Galaxies
  • Spiral Galaxies
  • Visible Light Emissions
quasars
Quasars
  • Most extreme form of galactic nuclei.
  • Less luminous than AGNs.
  • More common billions of years ago.
starburst galaxies
Starburst Galaxies
  • Doesn’t produce more luminosity than rest of galaxy.
  • Formed by collisions with other galaxies.
  • Star forming regions.
bl lac object
BL Lac Object
  • Originally considered variable stars
  • Closely related to quasars
  • Blazars
blazars
Blazars
  • Subtype of AGN that jet points to observer
  • Emit large amounts of radio to gamma.
literature review project techniques
Literature Review: Project Techniques
  • Gorijan et al create Color Magnitude Diagrams of AGN to analyze new data.
  • Johnson et al studied chemical compositions of the winds inside of AGNs
literature review project ideas
Literature Review: Project Ideas
  • Etchencamp et a in 2006 studied AGNs in Starburst galaxies as well as Radio Galaxies by analyzing spectra.
  • Croton et al simulated lifecycles and growth of AGNs over time using archival data to thoroughly study each object
bibliography
Bibliography
  • Gorjian, Varoujan, Mark Abajian, Kate Meredith, Helen Petach, Elizabeth Ramseyer, and Tim Spuck. "NITARP Proposal 2010- Color Magnitude Relationships in Nearby Active Galactic Nuclei." (2010). Web.
  • Alexandra JW Echtenkamp. "Radio and Starburst Galaxies." RBSE Journal 2 (2008). Web.
  • Sarah Johnson. "MgII and CIII] in Active Galactic Nuclei." RBSE Journal 2 (2008). Web.
  •  Hester, John Jeffrey. 21st Century Astronomy. New York: W.W. Norton, 2007. 538-41. Print.
  • Dr. Jim Lochner, “Active Galactic Nuclei and Quasars” nasa.gov
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