SIMBAD references

2015MNRAS.450.4277V - Mon. Not. R. Astron. Soc., 450, 4277-4284 (2015/July-2)

Different studies of the global pitch angle of the Milky Way's spiral arms.


Abstract (from CDS):

There are many published values for the pitch angle of individual spiral arms, and their wide distribution (from -3° to -28°) begs for various attempts for a single value. Each of four statistical methods used here yields a mean pitch angle in a small range, between -12° and -14° (Table, Fig.). The final result of our meta-analysis yields a mean global pitch angle in the Milky Way's spiral arms of -13.1°±0.6°.

Abstract Copyright: © 2015 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): methods: statistical - ISM: general - ISM: structure - Galaxy: disc - Galaxy: structure - galaxies: spiral

Status at CDS:  

Simbad objects: 17

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