Improved model of Delta Orionis

IF 0.4 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS

Contributions of the Astronomical Observatory Skalnate Pleso Pub Date : 2020-03-01 DOI:10.31577/caosp.2020.50.2.585

A. Oplištilová, P. Harmanec, P. Mayer, P. Zasche, M. Šlechta, H. Pablo, A. Pigulski

引用次数: 0

Abstract

We present an improved model of triple star Delta Orionis A. For the first time we were able to disentangle the very weak spectral lines of the secondary in the blue parts of the optical spectrum and derive a reliable mass ratio q = 0.415. Along with light-curve solutions, based on photometry from the SMEI, MOST and BRITE satellites, we obtained realistic masses and radii of both components of the close binary.

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改进的猎户座Delta模型

我们提出了一个改进的猎户座三角洲a三星模型。我们第一次能够解开光学光谱蓝色部分的非常弱的谱线，并推导出可靠的质量比q = 0.415。根据SMEI、MOST和BRITE卫星的光度测定，我们得到了这颗近距离双星的真实质量和半径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Contributions of the Astronomical Observatory Skalnate Pleso 地学天文-天文与天体物理

CiteScore

1.10

自引率

20.00%

发文量

审稿时长

>12 weeks

期刊介绍： Contributions of the Astronomical Observatory Skalnate Pleso" (CAOSP) is published by the Astronomical Institute of the Slovak Academy of Sciences (SAS). The journal publishes new results of astronomical and astrophysical research, preferentially covering the fields of Interplanetary Matter, Stellar Astrophysics and Solar Physics. We publish regular papers, expert comments and review contributions.