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Optical positions of 3C 273 |
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| Authors: | Wang Shu-he Xu Tong-qi Lu Pei-zhen |
| Institution: | Shanghai Observatory, Academia Sinica, China |
| Abstract: | We have measured an optical position of 3C 273 in the AGK3 system using the 40cm astrograph of Shanghai Observatory. Combining with others' observations, we have derived a “proper motion”. A comparison with other results is made. |
| Keywords: | Photographic astrometry radio sources optical positions |
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