Subject: radial velocity - LINDAT/CLARIAH-CZ Catalog Search Results

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Creator:: Bartl, E.
Format:: bez média and svazek
Type:: model:article and TEXT
Subject:: astrophysics, magentic Ap stars, and radial velocity
Language:: Czech
Rights:: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

Creator:: Onderlička, B. and Handlířová, D.
Format:: bez média and svazek
Type:: model:article and TEXT
Subject:: astronomy, radial velocity, and binary Xi Cygni
Language:: Czech
Description:: Radial velocity variations of the K supergiant Xi Cygnl are Investlgated on the basis of publlshed as well as new values from spectrograms In the visual and near infrared region obtalned In the period of 1977-1984 at Ondřejov, Shemakha, and Crlmea observatories. A circular orbit (P = 113.3873 days, Tmax = 2430214.33 HJD, K1 = 3,47 km/s, Vo = -20.0 km/s), still preliminary. confirms the period derlved by Parsons (1983). More accurate data are needed and the problem of the long period (Reimers 1981) should be investigated.
Rights:: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

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