slides2 - 2008, Astronomical Journal, vol. 135) HR diagrams...

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HR diagram of 20,853 stars with distances and colors measured by Hipparcos (borrowed from Catherine Turon’s web site). Brighter Redder
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Extended HR diagram combining stars from Hipparcos with stars from the Gliese catalog
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Globular cluster M80 as imaged by the Hubble Space Telescope
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HR diagram of the globular cluster NGC 6397. The y axis shows magnitude in one filter, and the x axis shows color as measured by the ratio of two different filters (from Richer et al.,
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Unformatted text preview: 2008, Astronomical Journal, vol. 135) HR diagrams for open clusters M 67 and NGC 188 Schematic representation of HR diagrams and main sequence turn-offs observed for different open clusters A theorists HR diagram: luminosity vs. temperature, with lines of constant radius. The dots show the main sequence. Two views of the mass-luminosity relation (Malkov 2007, left, and Henry 2004, right)...
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This note was uploaded on 09/25/2011 for the course ASTRO 112 taught by Professor Krumholz during the Spring '10 term at UCSC.

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slides2 - 2008, Astronomical Journal, vol. 135) HR diagrams...

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