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

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DOIResolve DOI: http://doi.org/10.1093/mnras/stv862
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TypeArticle
Journal titleMonthly Notices of the Royal Astronomical Society
ISSN0035-8711
Volume450
Issue4
Pages42774284; # of pages: 8
Subjectmethods: statistical; ISM: general; ISM: structure; Galaxy: disc; Galaxy:structure; galaxies: spiral
AbstractThere 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 7, Fig. 2). 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°.
Publication date
PublisherOxford University Press
LanguageEnglish
AffiliationNational Research Council Canada; National Science Infrastructure
Peer reviewedYes
NPARC number21276958
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Record identifiere0fdc6a5-242e-4122-9be7-22f63dff99f6
Record created2015-11-10
Record modified2016-05-09
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