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Basics of Astronomy Casey McNamara
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EVERYTHING THE UNIVERSE
Galaxies, solar systems, planets, stars, black holes, clusters, dark matter, AGN
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Galaxies Large-scale system of stars, interstellar gas, dust, and plasma Elliptical Spirals Irregulars 90% composed of dark matter
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Galaxies 2
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Variable Stars Cepheid Mira Long Period Change luminosity
Over 5,000 catalogued A variable star in the Large Megellanic Cloud
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Stellar Evolution Lifetime 2 million to trillions of years
Begins with collapse of giant molecular cloud New stars main sequence in HR Diagram HR Diagram shows spectral type
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H-R Diagram
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Spectroscopy O, B, A, F, G, K, and M
Break up ray of light into components in visible light spectrum Chemical composition of object
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Visible Light Spectrum
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Stellar Spectra and Graph
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Absorption and Emission Spectra
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Jacoby Atlas
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MONET North & South MOnitoring NEtwork of Telescopes
Sutherland, South Africa McDonald Observatory, Texas Students receive 85% of time Robotic Designed to cover entire night sky
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Views of MONET SAAO Sutherland hilltop view, including MONET
MONET Telescope and McDonald Observatory
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CCD and DSLR Charged-coupled device Found in CCD and DSLR
Digital Single Lens Reflex
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Astroimaging Tools Aperture Photometry Tool Image J Maxim DL Photoshop
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Ratio of signal power to noise corruption
Dark and Flat Fields Dark Field Flat Field Signal to Noise Ratio of signal power to noise corruption
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Astronomy Today David Lefreniere Spectroscopy and hidden exoplanets
Nicholas Cowan Looks at wavelengths to find water on other planets
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Bibliography Brinkworth, Carolyn, and Claire Thomas. "Galaxies." Faulkes Telescope Educational Guide. July June 2009. "Galaxies - KidsAstronomy." Astronomy For Kids. 02 June 2009 < Xantox. "M104 Galaxy in Infrared Light." Strange Paths :: Physics, computation, philosophy. 02 June 2009 < Sanders, Robert. "Rethinking Last Century's Closest, Brightest Supernova." UC Berkeley News. 9 Jan UC Berkeley. 2 June 2009 <berkeley.edu/.../releases/2007/01/09_LBV.shtml>. "Chapq5!" The University of Toledo : Welcome to the Department of Physics and Astronomy. 02 June 2009 < Smith, Gene. "Stellar Spectra." Center for Astrophysics & Space Sciences, UCSD. University of California. 02 June 2009 < "Measuring Stellar Spectra." University of Colick Astronomy. 2 June 2009 < "Stars' Life Cycle." Think Quest Astronomy. 2 June 2009 <library.thinkquest.org/.../stars/life_cycle1.htm>. Rasband, Wayne. "MONET : ImageJ." Institut für Astrophysik Göttingen. 28 Oct June 2009 <
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