Determination of the Galactic Rotation Curve Based on Planetary Nebulae

Details Determination of the Galactic Rotation Curve Based on Planetary Nebulae Determination of the Galactic Rotation Curve Based on Planetary Nebulae

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990rmxaa..21..264d&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, 21, 264

Astronomy and Astrophysics

Astronomy

9

Scientific paper

ABSTRACT:Planetary nebulae of types I, lIa, and llb are considered in order to determine the galactic rotation curve. It is shown that the curves defined by the first two types do not differ substantially from the one derived on the basis of young population I objects, such as CO-H II molecular complexes. RESUMO:Um grupo de nebulosas planetarias de tipos I, lIa, e lIb e utilizado para determinar a curva de rota o galatica. Mostra-se que as curvas definidas pelos dois primeiros tipos de nebulosas diferem substancialmente da curva obtida a partir de objetos jovens, de popuIa o I, como Os complexos moleculares CO-H II. Koy words: GALAXY-STRUCTURE - NEBULAE-PLANETARY

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