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CCD MEASUREMENTS OF DOUBLE AND MULTIPLE STARS AT NAO ROZHEN*: ORBITS AND LINEAR FITS OF FIVE PAIRS

机译:拿骚镇*双星和多星的CCD测量:五对轨道和线性拟合

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Using the 2 m telescope of the Bulgarian National Astronomical Observatory at Rozhen, observations of 145 double or multiple stars were carried out during three nights on 2010 September 7-9. This is the fifth series of measurements of CCD frames of double and multiple stars obtained at Rozhen. In this paper, we present the results for the position angle and angular separation for 202 pairs and residuals for 45 pairs with published orbital elements or linear solutions. These observations have angular separations in the range 1150-196372, with a median angular separation of 57906. Three linear solutions are presented for the first time and three orbits are recalculated (one pair has both a linear fit and an orbital solution).
机译:使用位于罗镇(Rozhen)的保加利亚国家天文台的2 m望远镜,于2010年9月7日至9日的三个晚上进行了145颗双星或多颗恒星的观测。这是在Rozhen获得的双星和多星CCD帧的第五次测量。在本文中,我们用已发布的轨道元素或线性解给出了202对的位置角和角度间隔以及45对的残差的结果。这些观测值的角距在1150-196372范围内,中位角距为57906。首次给出三个线性解,并重新计算了三个轨道(一对具有线性拟合和轨道解)。

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