Components of the open cluster system of the Galaxy from kinematic analysis

Authors: Nikiforov, I. I.; Kazakevich, E. E.

Source: Astronomical and Astrophysical Transactions, Volume 25, Numbers 2-3, -3/April-June 2006 , pp. 189-194(6)

Publisher: Taylor and Francis Ltd

Buy & download fulltext article:

OR

Price: $61.16 plus tax (Refund Policy)

Abstract:

The possibility of using open clusters as reference objects in kinematic analysis including the estimation of the distance to the Galactic centre is investigated. This analysis has produced distinctly different results for three components of the Galactic open cluster system: clusters of young, intermediate and old ages. We revealed that kinematic analysis of only young clusters (lgt < 8.1), although based on new data, cannot provide even a statistically reliable estimation of R0. Old remote clusters (lgt > 8.8) can stabilize the solution but they seem to have a significantly underestimated distance scale (formal estimates of R0 â‰^ 6 ± 0.7Âkpc ).

Keywords: Distance scale; Galactic centre distance; Galaxy; Kinematics; Open clusters; Structure

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/10556790600918505

Affiliations: Sobolev Astronomical Institute of St Petersburg State University, Universitetskij Prospekt 28, Staryj Peterhof, St Petersburg, 198504, Russia

Publication date: April 1, 2006

More about this publication?
Related content

Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content

Text size:

A | A | A | A
Share this item with others: These icons link to social bookmarking sites where readers can share and discover new web pages. print icon Print this page