Результаты исследований: Вклад в журнал › Статья › Рецензирование
Результаты исследований: Вклад в журнал › Статья › Рецензирование
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TY - JOUR
T1 - Parameters of the spiral structure of the galaxy from data on open star clusters
AU - Popova, M. E.
AU - Loktin, A. V.
PY - 2005/3/1
Y1 - 2005/3/1
N2 - We use data on open star clusters (OSCs) from the Homogeneous Catalog of OSC Parameters to determine some of the parameters of the spiral structure of our Galaxy: the pitch angle of the spiral arms i=21.∘5, the pattern speed Ωp = 20.4 ± 2.5 km s−1 kpc−1, and the initial phase of the spiral θ 0 = 206°. The spiral pattern of the Galaxy proves to have been virtually unchanged over the last billion years, and signatures of the concentration of objects toward the spiral arms can be traced back to this age. However, the number of spiral arms in the structure cannot be determined from OSCs.
AB - We use data on open star clusters (OSCs) from the Homogeneous Catalog of OSC Parameters to determine some of the parameters of the spiral structure of our Galaxy: the pitch angle of the spiral arms i=21.∘5, the pattern speed Ωp = 20.4 ± 2.5 km s−1 kpc−1, and the initial phase of the spiral θ 0 = 206°. The spiral pattern of the Galaxy proves to have been virtually unchanged over the last billion years, and signatures of the concentration of objects toward the spiral arms can be traced back to this age. However, the number of spiral arms in the structure cannot be determined from OSCs.
UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=000228232000004
UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=17044379811
U2 - 10.1134/1.1883348
DO - 10.1134/1.1883348
M3 - Article
VL - 31
SP - 171
EP - 178
JO - Astronomy Letters
JF - Astronomy Letters
SN - 1063-7737
IS - 3
ER -
ID: 41343887