Das ProduktAR 0 und Weitere Galaktische Parameter

Details Das ProduktAR 0 und Weitere Galaktische Parameter Das ProduktAR 0 und Weitere Galaktische Parameter

Mar 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974ap%26ss..27..227l&link_type=abstract

Astrophysics and Space Science, Volume 27, Issue 1, pp.227-231

Astronomy and Astrophysics

Astrophysics

4

Scientific paper

According to the tangential method the productAR 0 is determined with 145.7 km s-1 from measurements of the line profiles of the 21-cm line of the neutral hydrogen by Weaver and Williams (1973). The recent individual measurements of Oort's constantA and of the distanceR 0 of the Sun from the galactic centre yields 138.5 km s-1. The mean value 142.1 kms-1 leads toA=14.56 km s-1 kpc-1 andR 0=9.76 kpc. At the galactocentric distanceR nearR 0 the angular velocity is represented by ω(R)=25.84 2.98 (R-9.76)+0.075 (R-9.76)2. The mass of the Galaxy amounts to 1-92×1011 ℳ&sun;.

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