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(abstract) Reddening Measurements using CCD uvby (Strömgren) Photometry

Show simple item record Andersson, B-G. en_US Pettersson, B. en_US Wannier, P.G. en_US 2004-10-06T02:20:43Z 2004-10-06T02:20:43Z 1993-06-06 en_US
dc.identifier.citation Berkeley, CA en_US
dc.identifier.clearanceno 93-0787 en_US
dc.description.abstract Reddening measurements for interstellar clouds have usually relied on one of two techniques: Star counts or spectro-photometric measurements. We present preliminary results for a technique to determine the extinction using CCD uvby (Strömgren) photometry, without the need to perform special classification of the stars. The method relies on the fact that the uvby system allows two independent measurements of the reddening through the m<sub>1</sub>and c<sub>1</sub> indices to select the true intrensic colors for each star. Using observations from the Burrell Schmidt on Kitt Peak, we find that the technique allows reliable reddening measurements to be made down to at least V=15&supm; en_US
dc.format.extent 24310 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other photometry reddening interstellar clouds CCDs uvby Stromgren spectro-photometric measurements en_US
dc.title (abstract) Reddening Measurements using CCD uvby (Strömgren) Photometry en_US

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