基于Gaia DR3数据对星协Cyg OB1区域年轻疏散星团vdB 130恒星成分和物理性质的新修订

IF 1.3 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS

Astrophysical Bulletin Pub Date : 2023-07-17 DOI:10.1134/S1990341323020050

A. S. Rastorguev, M. V. Zabolotskikh, T. G. Sitnik, D. S. Wiebe, A. M. Tatarnikov, A. A. Tatarnikova, A. P. Topchieva, A. A. Tatarnikov

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引用次数: 0

摘要

基于盖亚DR3的数据，在以年轻疏散星团vdB 130为中心的\(20^{\prime}\) -半径范围内对恒星内容进行了新的修订，vdB 130是Cyg ob1恒星协会的一部分。总共有97颗恒星和39颗亮度等级为I/II/III的原恒星被确定为具有基于运动的适当的星团隶属概率\(P>0.98\)。具有隶属概率\(P>0.50\)的可能星团成员总数大约等于300个，通过拟合理论等时线估计的星团年龄不超过10 Myr。基于三角视差的聚类距离为\(D\approx 1670\pm 60\) pc，聚类颜色过剩，\(E(BP-RP)\approx 0\overset{\textrm{m}}{.}85\pm 0\overset{\textrm{m}}{.}02\)具有强差消光的证据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A New Revision of the Stellar Content and Physical Properties of the Young Open Cluster vdB 130 in the Region of the Stellar Association Cyg OB1 Based on Gaia DR3 Data

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A New Revision of the Stellar Content and Physical Properties of the Young Open Cluster vdB 130 in the Region of the Stellar Association Cyg OB1 Based on Gaia DR3 Data

Based on Gaia DR3 data, a new revision of the stellar content is performed within the \(20^{\prime}\)-radius field centered on the young open cluster vdB 130, which is a part of the Cyg OB1 stellar association. A total of 97 stars and 39 protostars of luminosity classes I/II/III are identified that have proper-motion based cluster membership probabilities \(P>0.98\). The total number of possible cluster members with membership probabilities \(P>0.50\) is equal to about 300, and the cluster age estimated by fitting theoretical isochrones does not exceed 10 Myr. The trigonometric-parallax based cluster distance is \(D\approx 1670\pm 60\) pc, and the cluster color excess, \(E(BP-RP)\approx 0\overset{\textrm{m}}{.}85\pm 0\overset{\textrm{m}}{.}02\) with evidence for strong differential extinction.

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来源期刊

Astrophysical Bulletin 地学天文-天文与天体物理

CiteScore

2.00

自引率

33.30%

发文量

审稿时长

>12 weeks

期刊介绍： Astrophysical Bulletin is an international peer reviewed journal that publishes the results of original research in various areas of modern astronomy and astrophysics, including observational and theoretical astrophysics, physics of the Sun, radio astronomy, stellar astronomy, extragalactic astronomy, cosmology, and astronomy methods and instrumentation.