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From Multicolor Photometric Indices to the HR Diagram

Published online by Cambridge University Press:  14 August 2015

V. Straižys
V. Straižys*
Affiliation:
Vilnius Astronomical Observatory

Extract

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The Vilnius photometric system permits one to determine photometrically temperatures and log g's or spectral types and MV's of stars in spite of the presence of interstellar reddening. The position of any normal star in the HR diagram can be determined by its direct calibration in five reddening-free quantities Q. The position of the star in the HR diagram corresponds to the point at which five Q-isolines intersect. This is the most direct way to find the position of the star in the HR diagram from photometry.

Type
Part VI: Galaxies and Miscellaneous Subjects
Information
Symposium - International Astronomical Union , Volume 80: The HR Diagram , 1978 , pp. 293 - 300
Copyright
Copyright © Reidel 1978 

References

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