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2001•Astronomy and AstrophysicsOpen access

Solar radius determinations obtained with the CCD astrolabe at TUBITAK National Observatory

O. Gölbasi, F. Chollet, Hüseyin Selçuk Kılıç, V. Sinceac, Z. Aslan, E. Sözen

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Abstract

This paper measures the solar radius, using the new Tubitak National Observatory astrolabe as well as data acquisition and reduction procedures. The mean values of the solar radius obtained are slightly lower than the other results to which they are compared. We have compared our results with data obtained since 1981, and show that our results are very homogeneous. We hope to extend these measurements to obtain accurate determinations of solar position.

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What this paper is about

This paper measures the solar radius, using the new Tubitak National Observatory astrolabe as well as data acquisition and reduction procedures. The mean values of the solar radius obtained are slightly lower than the other results to which they are compared. We have compared our results with data obtained since 1981, and show that our results are very homogeneous. We hope to extend these measurements to obtain accurate determinations of solar position.

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Available abstract

This paper measures the solar radius, using the new Tubitak National Observatory astrolabe as well as data acquisition and reduction procedures. The mean values of the solar radius obtained are slightly lower than the other results to which they are compared. We have compared our results with data obtained since 1981, and show that our results are very homogeneous. We hope to extend these measurements to obtain accurate determinations of solar position.

Key concepts: Astrolabe, Solar radius, Physics, Observatory, Solar observatory, RADIUS, Astrophysics, Data reduction

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