The Distance to the Large Magellanic Cloud

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The author demonstrates that the two unexpected results in the local Universe: anomalous intrinsic (V--I){sub 0} colors of RR Lyrae stars and clump giants in the Galactic center, and very short distances to Magellanic Clouds inferred from clump giants, can be at least partially resolved with a modified coefficient of selective extinction A{sub V}/E(V--I). With this modification, the author found a new clump-giant distance modulus to the Large Magellanic Cloud, {mu}{sub LMC} = 18.27 {+-} 0.07, which is 0.09 larger than the Udalski (1998b) result. When distance estimates from the red clump, RR Lyrae stars and the eclipsing binary HV2274 ... continued below

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546 Kilobytes pages

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Popowski, P January 31, 2000.

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Description

The author demonstrates that the two unexpected results in the local Universe: anomalous intrinsic (V--I){sub 0} colors of RR Lyrae stars and clump giants in the Galactic center, and very short distances to Magellanic Clouds inferred from clump giants, can be at least partially resolved with a modified coefficient of selective extinction A{sub V}/E(V--I). With this modification, the author found a new clump-giant distance modulus to the Large Magellanic Cloud, {mu}{sub LMC} = 18.27 {+-} 0.07, which is 0.09 larger than the Udalski (1998b) result. When distance estimates from the red clump, RR Lyrae stars and the eclipsing binary HV2274 are combined, one obtains {mu}{sub LMC} = 18.31 {+-} 0.04 (internal).

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546 Kilobytes pages

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  • The Impact of Large-Scale Surveys on Pulsating Star Research, Budapest (HU), 08/08/1999--08/12/1999

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  • Report No.: UCRL-JC-137446
  • Report No.: YN0100000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 756808
  • Archival Resource Key: ark:/67531/metadc704745

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  • January 31, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 6, 2016, 2:23 p.m.

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Popowski, P. The Distance to the Large Magellanic Cloud, article, January 31, 2000; California. (digital.library.unt.edu/ark:/67531/metadc704745/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.