Velocity curve analysis of the spectroscopic binary stars by the non-linear least squares |
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| Authors: | K. Karami H. Teimoorinia |
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| Affiliation: | (1) Department of Physics, University of Kurdistan, Pasdaran St., P.O. Box 66177-15175, Sanandaj, Iran;(2) Research Institute for Astronomy & Astrophysics of Maragha (RIAAM), P.O. Box 55134-441, Maragha, Iran;(3) Institute for Advanced Studies in Basic Sciences (IASBS), Gava Zang, P.O. Box 45195-1159, Zanjan, Iran;(4) Institute for Advanced Studies in Basic Sciences (IASBS), Gava Zang, P.O. Box 45195-1159, Zanjan, Iran;(5) Islamic Azad University-Zanjan, P.O. Box 49195-1467, Zanjan, Iran |
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| Abstract: | We introduce a new method to derive the orbital parameters of spectroscopic binary stars by a non-linear least squares analysis of residuals. Using measured radial velocity data of four double lined spectroscopic binary systems RZ Cas, CC Cas, V1130 Tau and Y Cygni, we find corresponding orbital and spectroscopic elements. Our numerical results are in good agreement with those obtained by others using more traditional methods. |
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| Keywords: | Spectroscopic binary stars Eclipsing binary stars |
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