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written by Gregory Bothun
The purpose of this applet is to add up to 4 different kinds of stars to reproduce the spectrum of a galaxy. The addition of different spectral types is normalized by V-band luminosity. Just selecting an A star and a K red giant can reproduce many of the large scale features of a typical galaxy spectrum. The composite spectrum can then be written out and analyzed in the equivalent width applet to measure how strong the liens are in comparison to real galaxy spectra. This is a relatively advanced applet.
Subjects Levels Resource Types
Astronomy
- Galaxies
- Stars
- Lower Undergraduate
- Upper Undergraduate
- Instructional Material
= Activity
= Interactive Simulation
= Laboratory
Intended Users Formats Ratings
- Educators
- application/java
- text/html
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Access Rights:
Limited free access
Contact University of Oregon for licensing information
Restriction:
© 2004 University of Oregon
Record Cloner:
Metadata instance created August 19, 2005 by Marc Gagne
Record Updated:
January 3, 2007 by Chris Irwin
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
G. Bothun, (2004), WWW Document, (http://jersey.uoregon.edu/vlab/EW3/EW.html).
AJP/PRST-PER
G. Bothun, University of Oregon Physics Applets: Synthetic Galaxy Spectra (2004), <http://jersey.uoregon.edu/vlab/EW3/EW.html>.
APA Format
Bothun, G. (2004). University of Oregon Physics Applets: Synthetic Galaxy Spectra. Retrieved September 3, 2014, from http://jersey.uoregon.edu/vlab/EW3/EW.html
Chicago Format
Bothun, Gregory. University of Oregon Physics Applets: Synthetic Galaxy Spectra. 2004. http://jersey.uoregon.edu/vlab/EW3/EW.html (accessed 3 September 2014).
MLA Format
Bothun, Gregory. University of Oregon Physics Applets: Synthetic Galaxy Spectra. 2004. 3 Sep. 2014 <http://jersey.uoregon.edu/vlab/EW3/EW.html>.
BibTeX Export Format
@misc{ Author = "Gregory Bothun", Title = {University of Oregon Physics Applets: Synthetic Galaxy Spectra}, Volume = {2014}, Number = {3 September 2014}, Year = {2004} }
Refer Export Format

%A Gregory Bothun
%T University of Oregon Physics Applets: Synthetic Galaxy Spectra
%D 2004
%U http://jersey.uoregon.edu/vlab/EW3/EW.html
%O application/java

EndNote Export Format

%0 Electronic Source
%A Bothun, Gregory
%D 2004
%T University of Oregon Physics Applets: Synthetic Galaxy Spectra
%V 2014
%N 3 September 2014
%9 application/java
%U http://jersey.uoregon.edu/vlab/EW3/EW.html


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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

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