The distance to the Galactic Center
2012 ◽
Vol 8
(S289)
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pp. 29-35
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Keyword(s):
AbstractOne of the Milky Way's fundamental parameters is the distance of the Sun from the Galactic Center, R0. This article reviews the various ways of estimating R0, placing special emphasis on methods that have become possible recently. In particular, we focus on the geometric distance estimate made possible thanks to observations of individual stellar orbits around the massive black hole at the center of the Galaxy. The specific issues of concern there are the degeneracies with other parameters, most importantly the mass of the black hole and the definition of the reference frame. The current uncertainty is nevertheless only a few percent, with error bars shrinking every year.
2009 ◽
Vol 692
(2)
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pp. 1075-1109
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1989 ◽
Vol 136
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pp. 555-566
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Keyword(s):
2019 ◽
Vol 625
◽
pp. L10
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Keyword(s):
1979 ◽
Vol 84
◽
pp. 395-400
Keyword(s):
2016 ◽
Vol 11
(S322)
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pp. 239-240
1989 ◽
Vol 136
◽
pp. 543-553
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Keyword(s):
Effects of supernovae feedback and black hole outflows in the evolution of Dwarf Spheroidal Galaxies
2020 ◽
Vol 15
(S359)
◽
pp. 280-282
Keyword(s):