Journal
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
Volume 130, Issue 984, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1538-3873/aa9b26
Keywords
distance scale; Galaxy: fundamental parameters; methods: data analysis; methods: statistical
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Funding
- DOE [DE-SC0011840]
- REU site
- National Science Foundation (NSF)
- Air Force Office of Scientific Research through NSF [PHYS-1461251]
- Direct For Mathematical & Physical Scien [1461251] Funding Source: National Science Foundation
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We show that error distributions of a compilation of 28 recent independent measurements of the distance from the Sun to the Galactic center, R-0, are wider than a standard Gaussian and best fit by an n=4 Student's t probability density function. Given this non-Gaussianity, the results of our median statistics analysis, summarized as R-0 = 8.0 +/- 0.3 kpc (2 sigma error), probably provides the most reliable estimate of R-0.
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