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Light Pollution Measured by the DSS-7 (Deep Space Spectrograph). Rose Haber. http://farm1.static.flickr.com/61/212916043_7895484234.jpg Chicago, Illinois at night. Need. Glare Light Trespass Harms wildlife Wastes government money -Cinzano, 2009. Vancouver.
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Light Pollution Measured by the DSS-7 (Deep Space Spectrograph) Rose Haber http://farm1.static.flickr.com/61/212916043_7895484234.jpg Chicago, Illinois at night
Need • Glare • Light Trespass • Harms wildlife • Wastes government money -Cinzano, 2009 Vancouver http://farm1.static.flickr.com/101/285102672_4203221326.jpg
http://www.noaanews.noaa.gov/nightlights/blackout081403-20hrsbefore-text.jpghttp://www.noaanews.noaa.gov/nightlights/blackout081403-20hrsbefore-text.jpg
Misdirected or misused light Inappropriate application of exterior lighting products Light causing a glow over urban/suburban areas LightPollution http://farm2.static.flickr.com/1293/554194288_965f5494cb.jpg
Hertzsprung–Russell Diagram • scatter graph of stars • shows the relationship between absolute magnitudes versus classifications and temperatures
Spectroscopy Spectrograph- takes light from a source and separates it by wavelength http://loke.as.arizona.edu/~ckulesa/camp/spectroscopy_intro.html
Stellar Spectroscopy http://cass.ucsd.edu/public/tutorial/Stars.html
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Spectrograph Fundamentals
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg The DSS-7 http://www.sbig.com/dss7/dss7.htm Absorption lines for different chemicals
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg CCD Imaging http://www.sbig.com/sbwhtmls/online.htm ST-7XME CCD Camera
Maxim DL • Photo-Processing image stacking software
Outdoor Lighting Mercury vs. Sodium
Literature Review Proposal of a Spectroscopic Map of Astronomical Sites Rosoni, 1997 Spectrum of the night sky at Mound Ekar Observatory Natural sky lines/ artificial lighting http://adsabs.harvard.edu/full/2000MmSAI..71..235R
Literature Review Continued Modeling of Light Pollution in Suburban Areas Using Remotely Sensed Imagery and GIS Chalkias et. al, 2006 http://geoinformatics.sut.ac.th/sut/student/GISpresent/2006-1/light.pdf
Literature Review Continued Measuring Night-Sky Brightness with a Wide-Field CCD Camera Duriscoe et al.
Literature Review Continued Visual measurements and spectral survey of night sky brightness in Venezuela and Italy F. Della Prugna, 1999 http://aas.aanda.org/index.php?option=article&access=doi&doi=10.1051/aas:1999426
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Purpose To examine the difference between the amount of pollution of light and the light pollutants in Manhasset, NY as opposed to Montauk, NY and hopefully influence the change to environmentally sound lighting systems.
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Hypothesis • Null Hypothesis: no difference between the light pollution in both areas • Alternate Hypothesis: light pollution will be greater in Manhasset than in Montauk
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Methodology Light Pollution Measured by the DSS-7 Variable: sky measured DSS-7 in Manhasset, NY Control: sky measured by DSS-7 in Montauk, NY Procedure Spectrograph attached to the CCD imager, many images taken to examine types of light pollutants, images taken during no moon periods-new moon, every magnitude of stars will be imaged and observed images processed and stacked using Maxim DL software Measurement Measured once a week in Montauk and imaged, measured once a week in Manhasset and imaged over 7 months Analysis Graph/map of data collected Amounts vs. types of light pollution analyzed
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Do-Ability • Study done in accessible places • Manhasset, NY • Montauk, NY/ Upstate, NY • CCD imager/DSS-7 easily portable • Software downloaded for free off SBIG website/astronomy coolwiki
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Budget
http://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpghttp://imgsrc.hubblesite.org/hu/db/images/hs-2002-10-c-web.jpg Works Cited • Chalkias, C., M. Petrakis, B. Psiloglou, and M. Lianou. "Modelling of light pollution in suburban areas using remotely sensed imagery and GIS." Journal of Environmental Management 76 (2004)): 57-63. Elesiver. Department of Geography, Harokopio University, 19 Sept. 2005. Web. http://geoinformatics.sut.ac.th/sut/student/GISpresent/2006-1/light.pdf • Cinzano. "Light Pollution Information by Starry Night Lights." Night Sky Friendly Outdoor Lighting. N.p., 2009. Web. http://www.starrynightlights.com/lpIndex.html • Cole, Gary M. "A Pellicle Autoguider for the DSS-7 Spectrograph." Pellicle Autoguider (2006): 153-56. Pellicle Autoguider. Starphysics Observatory, 2007. Web. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2007SASS...26..153C&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf • Holmes, Alan. "DSS-7 Deep Space Spectrograph." SBIG Santa Barbara Instrument Group. N.p., 20 Mar. 2002. Web. http://www.sbig.com/dss7/dss7.htm • Kaler, James. "Obtaining Astronomical Spectra- Spectrographs." Australia Telescope Outreach and Education. CSIRO Australia, 23 June 2004. Web. http://outreach.atnf.csiro.au/education/senior/astrophysics/spectrographs.html • Kulesa, Craig. "What is Spectroscopy?" What is Spectroscopy? N.p., 4 Feb. 1997. Web. http://loke.as.arizona.edu/~ckulesa/camp/spectroscopy_intro.html • La Pointe, Robert. "Measuring the Hubble Constant Using SBIG's DSS-7." NASA Astrophysics Data System (2008): 137-40. Society for Astronomical Sciences Inc., 2008. Web. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2008SASS...27..137L&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf • Licker, Mark D. “Dictionary of Astronomy” page 101; 2003 • Plavec, Mirek J.; “Stellar Evolution” McGraw-Hill,1997, pp 392-401. • Prugna, F. Della. "Visual measurements and spectral survey of night sky brightness in Venezuela and Italy." The European Southern Observatory (n.d.): n. pag. Astronomy and Astrophysics. Centro de Investigaciones de Astronom� CIDA, 9 Sept. 1999. Web. http://aas.aanda.org/index.php?option=article&access=doi&doi=10.1051/aas:1999426 • Puech, Michael, H. Flores, Michael Lehnert, B. Neichel, T. Fusco, P. Rosati, J.-G. Cuby, and Gary Rousset. "Coupling MOAO with Integral Field Spectroscopy: specifications for the VLT and the E-ELT." Observatoire de Paris (n.d.): n. pag. LESIA. Laboratoire d但strophysique de Marseille, 8 Aug. 2008. Web. http://arxiv.org/pdf/0808.1196v1 • Reviglio, Pietro M., and David J. Helfand. "Active Galaxies in the Sloan Digital Sky Survey I: The Spectroscopically Unremarkable Population of the Local Universe." (2008): n. pag. Astronomy Department. Astronomy Department, Columbia University, 2008. Web. http://arxiv.org/pdf/0902.1766v1 • Richmond, Michael. "Spectrographs and Spectra." Spectrographs and Spectra. N.p., n.d. Web. http://spiff.rit.edu/classes/phys301/lectures/spectra/spectra.html • Rosoni, Stefano. "Proposal of a spectroscopic map of astronomical sites." Memorie della Societa Astronomia Italianap.235 71 (1997): 235-38. Circolo Astronomico Dorico. Paolo Andrenelli, 1997. Web. http://articles.adsabs.harvard.edu/full/2000MmSAI..71..235R • Smith, Gene. "Stellar Spectra." Center for Astrophysics & Space Sciences, UCSD. N.p., 16 Apr. 1999. Web. <http://cass.ucsd.edu/public/tutorial/Stars.html>.